Defender US
Free Shipping on orders over $99*

Sierra

1423 Listed

  1. Sierra Center Main Bearing for Johnson/Evinrude Outboard Motors - 18-1353

    $50.14
    0

  2. Sierra Water Pump Kit for Mercruiser Stern Drives - 18-3318

    $290.91
    0

  3. Sierra Water Pump Kit - without Housing for Johnson/Evinrude Outboard Motors - 18-3385

    $84.99
    0

  4. Sierra Lower Unit Seal Kit for Chrysler Force Outboard Motors - 18-2697-1

    $76.99
    0

  5. Sierra Lower Unit Seal Kit for Chrysler Force Outboard Motors - 18-2629

    $284.35
    0

  6. Sierra Oil Seal for Johnson/Evinrude Outboard Motors - 18-8301

    $26.99
    0

  7. Sierra Oil Seal for Johnson/Evinrude Outboard Motors - 18-8307

    $51.99
    0

  8. Sierra Lower Unit Seal Kit for Mercury/Mariner Outboard Motors - 18-2627

    $380.60
    0

  9. Sierra Rod Bearing for Johnson/Evinrude Outboard Motors - 18-1378

    $91.85
    0

  10. Sierra Water Pump Kit for Mercruiser Stern Drives - 18-3150

    $99.99
    0

  11. Sierra Intake Gasket Set - 18-1238

    $47.99
    0

  12. Sierra Rod Crank End Bearing for Johnson/Evinrude Outboard Motors - 18-1361

    $238.41
    0

  13. Sierra Engine Coupler - 18-21751

    $252.99
    0

  14. Sierra Engine Coupler - 18-21753

    $1,356.23
    0

  15. Sierra Engine Coupler for Mercruiser Stern Drives - 18-2414

    $1,463.41
    0

  16. Sierra Piston Rings for Mercury/Mariner Outboard Motors - 18-3902

    $46.99
    0

  17. Sierra Manifold - Port & Starboard - 18-1998-1

    $975.60
    0

  18. Sierra Water Pump Housing - 18-3116

    $42.99
    0

  19. Sierra Water Pump Housing for OMC Sterndrive/Cobra Stern Drives - 18-3206

    $32.99
    0

  20. Sierra Water Pump Kit for Suzuki Outboard Motors - 18-3258

    $53.99
    0

  21. Sierra Water Pump Service Kit for Honda Outboard Motors - 18-3280

    $26.99
    0

  22. Sierra Water Pump Service Kit for Honda Outboard Motors - 18-3283

    $131.24
    0

  23. Sierra Water Pump Kit for Volvo Penta Stern Drives - 18-3287

    $60.99
    0

  24. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3314

    $65.99
    0

  25. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3316

    $94.99
    0

  26. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3319

    $62.99
    0

  27. Sierra Water Pump Kit for Mercruiser Stern Drives - 18-3321

    $102.99
    0

  28. Sierra Water Pump Kit - without Housing for Johnson/Evinrude Outboard Motors - 18-3384

    $123.99
    0

  29. Sierra Water Pump Base for Mercruiser Stern Drives - 18-3417

    $37.99
    0

  30. Sierra Water Pump Base for Mercury/Mariner Outboard Motors - 18-3419

    $111.54
    0

  31. Sierra Water Pump Base for Mercruiser Stern Drives - 18-3420

    $109.25
    0

  32. Sierra Water Pump Kit for Yamaha Outboard Motors - 18-3434

    $40.99
    1

  33. Sierra Water Pump Kit for Johnson/Evinrude Outboard Motors - 18-3454

    $70.99
    0

  34. Sierra Water Pump Kit - without Base - 18-3517

    $43.99
    0

  35. Sierra Thermostat - 18-3540

    $26.99
    1

  36. Sierra Thermostat for Johnson/Evinrude Outboard Motors - 18-3545

    $29.99
    0

  37. Sierra Thermostat for Johnson/Evinrude Outboard Motors - 18-3546

    $67.79
    0

  38. Sierra Thermostat - 140 for Mercruiser Stern Drives - 18-3550

    $33.99
    0

  39. Sierra Thermostat - 160 for OMC Sterndrive/Cobra Stern Drives - 18-3554

    $33.99
    0

  40. Sierra Thermostat - 143 - 18-3557

    $34.99
    0

  41. Sierra Thermostat - 143 for Johnson/Evinrude Outboard Motors - 18-3561

    $19.21
    1

  42. Sierra Thermostat Kit for Mercury/Mariner Outboard Motors - 18-3569

    $24.99
    0

  43. Sierra Thermostat Kit - 18-3608

    $31.99
    0

  44. Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3647

    $31.99
    1

  45. Sierra Thermostat - 16 Fresh Water Cooling - 18-3649

    $28.99
    0

  46. Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3650

    $26.99
    0

  47. Sierra Thermostat Kit for Mercruiser Stern Drives - 18-3651

    $17.33
    0

  48. Sierra Thermostat Kit - 18-3672

    $24.99
    0
Previous16 / 30Next

2Filters

Clear All
  1. Departments: Tools ×
  2. Departments: Engine ×
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.