Defender US
Free Shipping on orders over $99*

Sierra

1390 Listed

  1. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-2960

    $43.74
    0

  2. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-2964

    $39.99
    0

  3. Sierra Exhaust Manifold Gasket for Volvo Penta Stern Drives - 18-2971

    $16.91
    0

  4. Sierra Outdrive Seal - 18-2996

    $6.50
    0

  5. Sierra Water Pump Kit - 18-3089

    $104.99
    0

  6. Sierra Water Pump Housing for Mercury/Mariner Outboard Motors - 18-3118

    $24.99
    0

  7. Sierra Water Pump Housing for OMC Sterndrive/Cobra Stern Drives - 18-3119

    $29.99
    0

  8. Sierra Water Pump Kit for Volvo Penta Stern Drives - 18-3205

    $176.99
    0

  9. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3322

    $297.48
    0

  10. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3324

    $80.99
    0

  11. Sierra Water Pump Kit - with Housing for Johnson/Evinrude Outboard Motors - 18-3378

    $79.99
    0

  12. Sierra Water Pump Kit - without Housing for Johnson/Evinrude Outboard Motors - 18-3390

    $58.99
    0

  13. Sierra Water Pump Kit for Johnson/Evinrude Outboard Motors - 18-3392

    $72.99
    0

  14. Sierra Water Pump Base for Mercury/Mariner Outboard Motors - 18-3422

    $39.99
    0

  15. Sierra Water Pump Base for Mercury/Mariner Outboard Motors - 18-3424

    $40.99
    0

  16. Sierra Water Pump Kit for Mercury/Mariner Outboard Motors - 18-3507

    $53.99
    0

  17. Sierra Thermostat - 142 - 18-3551

    $21.99
    0

  18. Sierra Thermostat - 160 Fresh Water Cooling Only - 18-3552

    $26.99
    0

  19. Sierra Thermostat - 160 for Mercruiser Stern Drives - 18-3555

    $26.99
    0

  20. Sierra Water Pump - 18-3586

    $330.99
    0

  21. Sierra Thermostat Kit for Volvo Penta Stern Drives - 18-3662

    $30.99
    0

  22. Sierra Thermostat Kit for Volvo Penta Stern Drives - 18-3666

    $43.99
    0

  23. Sierra Prop Nut Kit - 18-3701

    $22.99
    0

  24. Sierra Prop Nut Kit for Mercury/Mariner Outboard Motors - 18-3702

    $20.99
    0

  25. Sierra Prop Nut for Mercury/Mariner Outboard Motors - 18-3704

    $11.98
    0

  26. Sierra Prop Nut - 18-3705

    $41.54
    0

  27. Sierra Brass Castle Washer - 18-3714

    $11.90
    0

  28. Sierra Prop Nut Kit - 18-3715

    $36.99
    0

  29. Sierra Prop Nut Kit - 18-3716

    $20.99
    0

  30. Sierra Stainless Steel Locknuts - 3/8 -24 Thread Size - 18-3720

    $9.25
    0

  31. Sierra Stainless Steel Locknuts - 1/4 -28 Thread Size - 18-3722

    $3.27
    0

  32. Sierra Ball Gear Nut for OMC Sterndrive/Cobra Stern Drives - 18-3725

    $6.62
    0

  33. Sierra Spanner Nut - 18-3751

    $91.85
    0

  34. Sierra Retaining Nut for Mercruiser Stern Drives - 18-3752

    $113.73
    0

  35. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-3802

    $46.24
    0

  36. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3804

    $44.99
    0

  37. Sierra Head Gasket for Yamaha Outboard Motors - 18-3805

    $159.66
    0

  38. Sierra Head Gasket for Suzuki Outboard Motors - 18-3809

    $61.99
    0

  39. Sierra Head Gasket for Suzuki Outboard Motors - 18-3810

    $35.69
    0

  40. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3827

    $31.44
    0

  41. Sierra Head Gasket for Mercury/Mariner Outboard Motors - 18-3828

    $26.99
    0

  42. Sierra Head Gasket for Yamaha Outboard Motors - 18-3829

    $44.99
    0

  43. Sierra Head Gasket for Yamaha Outboard Motors - 18-3830

    $43.99
    0

  44. Sierra Head Gasket for Yamaha Outboard Motors - 18-3831

    $109.35
    0

  45. Sierra Head Gasket for Yamaha Outboard Motors - 18-3832

    $42.99
    0

  46. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-3836

    $37.99
    1

  47. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-3837

    $56.99
    0

  48. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-3838

    $44.19
    0
Previous13 / 29Next

2Filters

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