Defender US
Free Shipping on orders over $99*
Close

1972 Evinrude 20 20RL72R 1972 CRANKSHAFT & PISTON OEM Parts | Assembly Diagram Choose a make, category, year, model, and assembly...

20RL72R 1972 CRANKSHAFT & PISTON

Use scroll wheel, or pinch and drag to and .

1
MPN/SKU: 0385338
PISTON, Standard
$85.99
Stock: TBD
Recommended Quantity: 2
Recommended Quantity: 2

This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

          2
          MPN/SKU: 0385349
          RING SET, Standard
          $50.44
          Stock: TBD
          Recommended Quantity: 1
          Recommended Quantity: 1

          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                  2
                  MPN/SKU: 0383473
                  FLOAT ASSY
                  $42.99
                  Stock: TBD
                  Recommended Quantity: 2
                  Recommended Quantity: 2

                  This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                          1A
                          MPN/SKU: 0385348
                          PISTON, .030 O.S.
                          $84.91
                          Stock: TBD
                          Recommended Quantity: 2
                          Recommended Quantity: 2

                          This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                                  2A
                                  Item # 1921786
                                  Evinrude Ring Set 030 - 0385350
                                  $31.55
                                  Stock: TBD
                                  Recommended Quantity: 1
                                  Recommended Quantity: 1

                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                          Order Now! Ship or Pickup: 4 to 6 days
                                          3
                                          MPN/SKU: 0304691
                                          WRIST PIN
                                          $25.99
                                          Stock: TBD
                                          Recommended Quantity: 2
                                          Recommended Quantity: 2

                                          This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                  4
                                                  MPN/SKU: 0302577
                                                  RETAINING RING
                                                  $7.52
                                                  Stock: TBD
                                                  Recommended Quantity: 4
                                                  Recommended Quantity: 4

                                                  This part has 4 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                          5
                                                          MPN/SKU: 0378251
                                                          BEARING SET, Needle, wrist pin
                                                          $79.99
                                                          Stock: TBD
                                                          Recommended Quantity: 2
                                                          Recommended Quantity: 2

                                                          This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                                  6
                                                                  MPN/SKU: 0383462
                                                                  CONNECTING ROD ASSEMBLY
                                                                  $69.99
                                                                  Stock: TBD
                                                                  Recommended Quantity: 2
                                                                  Recommended Quantity: 2

                                                                  This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                                          7
                                                                          MPN/SKU: 0202967
                                                                          SCREW
                                                                          $10.99
                                                                          Stock: TBD
                                                                          Recommended Quantity: 2
                                                                          Recommended Quantity: 2

                                                                          This part has 2 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                                                  8
                                                                                  MPN/SKU: 0383724
                                                                                  NEEDLE SET
                                                                                  $59.99
                                                                                  Stock: TBD
                                                                                  Recommended Quantity: 1
                                                                                  Recommended Quantity: 1

                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                          9
                                                                                          MPN/SKU: 0383727
                                                                                          RETAINER SET
                                                                                          $4.75
                                                                                          Stock: TBD
                                                                                          Recommended Quantity: 1
                                                                                          Recommended Quantity: 1

                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                  10
                                                                                                  MPN/SKU: 0303278
                                                                                                  SUPORT, Armature plate
                                                                                                  $115.49
                                                                                                  Stock: TBD
                                                                                                  Recommended Quantity: 1
                                                                                                  Recommended Quantity: 1

                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                          11
                                                                                                          Item # 1922123
                                                                                                          Evinrude Screw - 0332070
                                                                                                          $8.83
                                                                                                          Stock: TBD
                                                                                                          Recommended Quantity: 3
                                                                                                          Recommended Quantity: 3

                                                                                                          This part has 3 locations on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                  Order Now! Ship or Pickup: 4 to 6 days
                                                                                                                  12
                                                                                                                  MPN/SKU: 0303277
                                                                                                                  RETAINING RING
                                                                                                                  $36.99
                                                                                                                  Stock: TBD
                                                                                                                  Recommended Quantity: 1
                                                                                                                  Recommended Quantity: 1

                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                          13
                                                                                                                          MPN/SKU: 0316583
                                                                                                                          CAM, Magneto
                                                                                                                          $50.50
                                                                                                                          Stock: TBD
                                                                                                                          Recommended Quantity: 1
                                                                                                                          Recommended Quantity: 1

                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                  14
                                                                                                                                  MPN/SKU: 0377528
                                                                                                                                  ROLLER BEARING & SEAL ASSEMBLY, Upper
                                                                                                                                  $34.99
                                                                                                                                  Stock: TBD
                                                                                                                                  Recommended Quantity: 1
                                                                                                                                  Recommended Quantity: 1

                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                          15
                                                                                                                                          MPN/SKU: 0305987
                                                                                                                                          SEAL
                                                                                                                                          $13.99
                                                                                                                                          Stock: TBD
                                                                                                                                          Recommended Quantity: 1
                                                                                                                                          Recommended Quantity: 1

                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                  16
                                                                                                                                                  MPN/SKU: 0315286
                                                                                                                                                  CRANKSHAFT
                                                                                                                                                  $135.00
                                                                                                                                                  Stock: TBD
                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                          17
                                                                                                                                                          Item # 1919601
                                                                                                                                                          Evinrude Key - 0120395
                                                                                                                                                          $10.72
                                                                                                                                                          Stock: TBD
                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                  Order Now! Ship or Pickup: 4 to 6 days
                                                                                                                                                                  18
                                                                                                                                                                  MPN/SKU: 0378838
                                                                                                                                                                  REATINER & NEEDLES, Center bearing
                                                                                                                                                                  $47.99
                                                                                                                                                                  Stock: TBD
                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                          19
                                                                                                                                                                          MPN/SKU: 0309010
                                                                                                                                                                          SLEEVE, Split, center bearing
                                                                                                                                                                          $74.99
                                                                                                                                                                          Stock: TBD
                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                  20
                                                                                                                                                                                  MPN/SKU: 0304732
                                                                                                                                                                                  THRUST WASHER
                                                                                                                                                                                  $7.49
                                                                                                                                                                                  Stock: TBD
                                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                          21
                                                                                                                                                                                          MPN/SKU: 0375763
                                                                                                                                                                                          BEARING, Roller, lower
                                                                                                                                                                                          $99.99
                                                                                                                                                                                          Stock: TBD
                                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                  22
                                                                                                                                                                                                  Item # 1920410
                                                                                                                                                                                                  Evinrude O Ring - 0302537
                                                                                                                                                                                                  $3.63
                                                                                                                                                                                                  Stock: TBD
                                                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                          Order Now! Ship or Pickup: 4 to 6 days
                                                                                                                                                                                                          23
                                                                                                                                                                                                          Item # 1920418
                                                                                                                                                                                                          Evinrude O Ring - 0302540
                                                                                                                                                                                                          $1.53
                                                                                                                                                                                                          Stock: TBD
                                                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                  Order Now! Ship or Pickup: Same Day
                                                                                                                                                                                                                  24
                                                                                                                                                                                                                  Item # 1922460
                                                                                                                                                                                                                  Evinrude Seal - 0302538
                                                                                                                                                                                                                  $30.32
                                                                                                                                                                                                                  Stock: TBD
                                                                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                          Order Now! Ship or Pickup: 4 to 6 days
                                                                                                                                                                                                                          25
                                                                                                                                                                                                                          MPN/SKU: 0302594
                                                                                                                                                                                                                          CLAMP
                                                                                                                                                                                                                          $15.99
                                                                                                                                                                                                                          Stock: TBD
                                                                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                                  26
                                                                                                                                                                                                                                  MPN/SKU: 0302539
                                                                                                                                                                                                                                  SPRING
                                                                                                                                                                                                                                  $27.99
                                                                                                                                                                                                                                  Stock: TBD
                                                                                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                                          27
                                                                                                                                                                                                                                          MPN/SKU: 0303801
                                                                                                                                                                                                                                          WAHSER, Lower
                                                                                                                                                                                                                                          $26.99
                                                                                                                                                                                                                                          Stock: TBD
                                                                                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                                                  28
                                                                                                                                                                                                                                                  MPN/SKU: 0302536
                                                                                                                                                                                                                                                  RETAING RING
                                                                                                                                                                                                                                                  $9.99
                                                                                                                                                                                                                                                  Stock: TBD
                                                                                                                                                                                                                                                  Recommended Quantity: 1
                                                                                                                                                                                                                                                  Recommended Quantity: 1

                                                                                                                                                                                                                                                  This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                                                          29
                                                                                                                                                                                                                                                          Item # 1920410
                                                                                                                                                                                                                                                          Evinrude O Ring - 0302537
                                                                                                                                                                                                                                                          $3.63
                                                                                                                                                                                                                                                          Stock: TBD
                                                                                                                                                                                                                                                          Recommended Quantity: 1
                                                                                                                                                                                                                                                          Recommended Quantity: 1

                                                                                                                                                                                                                                                          This part has 1 location on the diagram. It is the recommended quantity, but not a requirement.

                                                                                                                                                                                                                                                                  Order Now! Ship or Pickup: 4 to 6 days
                                                                                                                                                                                                                                                                  No results with applied page filter:

                                                                                                                                                                                                                                                                  All Assemblies

                                                                                                                                                                                                                                                                  For the current model: 20
                                                                                                                                                                                                                                                                  20RL72R 1972 CARBURETOR
                                                                                                                                                                                                                                                                  20RL72R 1972 CRANKSHAFT & PISTON
                                                                                                                                                                                                                                                                  20RL72R 1972 CYLINDER & CRANKCASE
                                                                                                                                                                                                                                                                  20RL72R 1972 EXHAUST HOUSING
                                                                                                                                                                                                                                                                  20RL72R 1972 FUEL PUMP
                                                                                                                                                                                                                                                                  20RL72R 1972 FUEL TANK
                                                                                                                                                                                                                                                                  20RL72R 1972 GEARCASE
                                                                                                                                                                                                                                                                  20RL72R 1972 INTAKE MANIFOLD
                                                                                                                                                                                                                                                                  20RL72R 1972 MAGNETO
                                                                                                                                                                                                                                                                  20RL72R 1972 MOTOR COVER
                                                                                                                                                                                                                                                                  20RL72R 1972 REWIND STARTER
                                                                                                                                                                                                                                                                  20RL72R 1972 SHORTING SWITCH

                                                                                                                                                                                                                                                                  Evinrude

                                                                                                                                                                                                                                                                  Change Locale

                                                                                                                                                                                                                                                                  United States - English Shop in currency: USD
                                                                                                                                                                                                                                                                  Canada - English Shop in currency: CAD
                                                                                                                                                                                                                                                                  Canada - Français Shop in currency: CAD

                                                                                                                                                                                                                                                                  Explore

                                                                                                                                                                                                                                                                  Guides
                                                                                                                                                                                                                                                                  Brands

                                                                                                                                                                                                                                                                  Helpful Information

                                                                                                                                                                                                                                                                  Track My Order
                                                                                                                                                                                                                                                                  Shipping Policy
                                                                                                                                                                                                                                                                  Return Policy
                                                                                                                                                                                                                                                                  Outlet Store
                                                                                                                                                                                                                                                                  Commercial Accounts

                                                                                                                                                                                                                                                                  Get In Touch

                                                                                                                                                                                                                                                                  Customer Service
                                                                                                                                                                                                                                                                  1-800-435-7180
                                                                                                                                                                                                                                                                  Send a Message

                                                                                                                                                                                                                                                                  Resources

                                                                                                                                                                                                                                                                  Gift Cards
                                                                                                                                                                                                                                                                  Privacy Policy
                                                                                                                                                                                                                                                                  Conditions of Use
                                                                                                                                                                                                                                                                  Accessibility Statement

                                                                                                                                                                                                                                                                  Stay Connected

                                                                                                                                                                                                                                                                  X
                                                                                                                                                                                                                                                                  Facebook
                                                                                                                                                                                                                                                                  Instagram
                                                                                                                                                                                                                                                                  YouTube
                                                                                                                                                                                                                                                                  Toggle desktop/mobile version
                                                                                                                                                                                                                                                                  2026 © Defender. All Rights Reserved.