Defender US
Free Shipping on orders over $99*

Sierra

1379 Listed

  1. Sierra Outdrive Gasket - 18-2699

    $6.43
    0

  2. Sierra Tapered Roller Bearing for Mercruiser Stern Drives - 18-1179

    $38.33
    0

  3. Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3646

    $36.99
    0

  4. Sierra Power Trim Motor for Mercury/Mariner Outboard Motors - 18-6773

    $820.29
    0

  5. Sierra U-Joint Cross Bearing for Mercruiser Stern Drives - 18-2097

    $82.99
    0

  6. Sierra Water Pump Kit - without Housing for Yamaha Outboard Motors - 18-3370

    $40.99
    0

  7. Sierra Water Pump Kit - without Housing for Yamaha Outboard Motors - 18-3395

    $72.99
    0

  8. Sierra Gear Housing Seal Kit for Yamaha Outboard Motors - 18-0021

    $67.99
    0

  9. Sierra Gear Housing Seal Kit for Yamaha Outboard Motors - 18-0024

    $63.74
    0

  10. Sierra Oil Seal - 18-0579

    $19.21
    0

  11. Sierra Oil Seal - 18-0580

    $18.87
    0

  12. Sierra Oil Seal - 18-0583

    $16.27
    0

  13. Sierra Manifold with Mounting Package for Volvo Penta Stern Drives - 18-1931-1

    $502.01
    0

  14. Sierra Manifold - Starboard - with Mounting Package for Mercruiser Stern Drives - 18-1951-1

    $459.99
    0

  15. Sierra Thermostat Housing - Stainless Steel for Mercruiser Stern Drives - 18-1989

    $342.99
    0

  16. Sierra Carrier Bearing for Chrysler Force Outboard Motors - 18-2370

    $177.99
    0

  17. Sierra Lower Unit Seal Kit for Chrysler Force Outboard Motors - 18-2635

    $87.49
    0

  18. Sierra Lower Unit Seal Kit for Mercury/Mariner Outboard Motors - 18-2642

    $48.99
    0

  19. Sierra Power Trim Bushing for Mercruiser Stern Drives - 18-2702-04

    $54.66
    0

  20. Sierra Water Pump Kit for Mercruiser Stern Drives - 18-3147

    $134.99
    0

  21. Sierra Water Pump Housing Kit for Mercury/Mariner Outboard Motors - 18-3571

    $352.16
    0

  22. Sierra Prop Nut for Yamaha Outboard Motors - 18-3732

    $54.66
    0

  23. Sierra Prop Nut Kit for Yamaha Outboard Motors - 18-3782

    $168.41
    0

  24. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3861

    $131.23
    0

  25. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3871

    $78.08
    0

  26. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3872

    $185.91
    0

  27. Sierra Head Gasket for Yamaha Outboard Motors - 18-3891

    $131.13
    0

  28. Sierra Piston Rings for Johnson/Evinrude Outboard Motors - 18-3901

    $47.59
    0

  29. Sierra Piston Rings for Yamaha Outboard Motors - 18-3960

    $50.99
    0

  30. Sierra Piston Rings for Yamaha Outboard Motors - 18-3969

    $80.99
    0

  31. Sierra Piston Rings for Johnson/Evinrude Outboard Motors - 18-3975

    $43.21
    0

  32. Sierra Piston Rings for Mercury/Mariner Outboard Motors - 18-3979

    $25.49
    0

  33. Sierra Piston Rings for Mercury/Mariner Outboard Motors - 18-3982

    $45.99
    0

  34. Sierra Piston for Mercury/Mariner Outboard Motors - 18-4018

    $55.99
    0

  35. Sierra Piston Rings for Mercury/Mariner Outboard Motors - 18-4019

    $84.99
    0

  36. Sierra Piston Rings for Mercury/Mariner Outboard Motors - 18-4050

    $40.79
    0

  37. Sierra Piston for Johnson/Evinrude Outboard Motors - 18-4065

    $204.99
    0

  38. Sierra Piston for Yamaha Outboard Motors - 18-4141

    $33.99
    0

  39. Sierra Piston for Johnson/Evinrude Outboard Motors - 18-4165

    $51.84
    0

  40. Sierra Prop Spacer - 18-4194

    $44.99
    0

  41. Sierra Drain Plug for Mercruiser Stern Drives - 18-4226

    $4.86
    0

  42. Sierra Powerhead Gasket for Yamaha Outboard Motors - 18-4427

    $130.59
    0

  43. Sierra Piston for Mercury/Mariner Outboard Motors - 18-4639

    $77.34
    0

  44. Sierra Piston for Mercury/Mariner Outboard Motors - 18-4640

    $77.34
    0

  45. Sierra Piston for Mercury/Mariner Outboard Motors - 18-4644

    $77.34
    0

  46. Sierra Power Tilt and Trim Motor - Heavy Duty for Johnson/Evinrude Outboard Motors - 18-6281

    $246.24
    0

  47. Sierra 4 Cycle Outboard Oil Filter for Mercury/Mariner Outboard Motors - 18-7913

    $10.78
    2

  48. Sierra O-Ring for Johnson/Evinrude Outboard Motors - 18-7963

    $23.94
    0
Previous20 / 29Next

2Filters

Clear All
  1. Departments: Engine ×
  2. Departments: Steering ×
Departments
Manufacturer
Price
1.01
1488.48
More Ways To Shop
Availability
Fulfillment
Display Size

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.