Defender US
Free Shipping on orders over $99*

Sierra

276 Listed

  1. Sierra Condenser - 18-5347

    $33.34
    0

  2. Sierra Rotor - 18-5403

    $12.47
    1

  3. Sierra Rotor - 18-5404-1

    $38.83
    0

  4. Sierra Rotor - 18-5406

    $31.64
    0

  5. Sierra Rotor - 18-5407

    $31.48
    0

  6. Sierra Rotor - 18-5408

    $39.97
    0

  7. Sierra Rotor - 18-5418

    $23.36
    0

  8. Sierra Rotor for Volvo Penta Stern Drives - 18-5428

    $83.70
    0

  9. Sierra Power Pack for Johnson/Evinrude Outboard Motors - 18-5760

    $369.23
    0

  10. Sierra Power Pack for Johnson/Evinrude Outboard Motors - 18-5768

    $314.98
    0

  11. Sierra Switch Box Assembly for Chrysler Force Outboard Motors - 18-5790

    $740.23
    0

  12. Sierra Power Pack for Johnson/Evinrude Outboard Motors - 18-5794

    $259.99
    0

  13. Sierra Shift Assist Module Kit for OMC Sterndrive/Cobra Stern Drives - 18-5888

    $624.12
    0

  14. Sierra Shift Assist Module Kit for OMC Sterndrive/Cobra Stern Drives - 18-5890

    $330.73
    0

  15. Sierra Spark Plug Wire Sets - 18-8801-1

    $59.99
    0

  16. Sierra Spark Plug Wire Sets - 18-8802-1

    $57.99
    0

  17. Sierra Spark Plug Wire Set for OMC Sterndrive/Cobra Stern Drives - 18-8807-1

    $50.99
    0

  18. Sierra Spark Plug Wire Set for Mercruiser Stern Drives - 18-8809-1

    $257.23
    0

  19. Sierra Spark Plug Wire Set - 18-8810-1

    $50.99
    0

  20. Sierra Spark Plug Wire Set - 18-8811-1

    $174.98
    0

  21. Sierra Spark Plug Wire Sets for Volvo Penta Stern Drives - 18-8813-1

    $610.73
    0

  22. Sierra Spark Plug Wire Set for Johnson/Evinrude Outboard Motors - 18-8815-1

    $20.99
    0

  23. Sierra Spark Plug Wire Set for Johnson/Evinrude Outboard Motors - 18-8818-1

    $15.03
    0

  24. Sierra Spark Plug Wire Set for OMC Sterndrive/Cobra Stern Drives - 18-8820-1

    $267.73
    0

  25. Sierra Spark Plug Wire Set for Chrysler Inboard Inboards - 18-8826-1

    $118.98
    0

  26. Sierra Spark Plug Wire Set for Mercruiser Stern Drives - 18-8832-1

    $278.23
    0

  27. Sierra Spark Plug Wire Set for Mercruiser Stern Drives - 18-8836-1

    $87.99
    0

  28. Sierra Spark Plug Wire Set for OMC Sterndrive/Cobra Stern Drives - 18-8842-1

    $150.13
    0

  29. Sierra Molded Hose for Mercruiser Stern Drives - 18-70931

    $163.43
    0

  30. Sierra Mercury Spark Plug Wires (Set of 6) - 18-28080

    $47.99

  31. Sierra Mercury Spark Plug Wires (Set of 4) - 18-28082

    $59.99

  32. Sierra Mercury Spark Plug Wires (Set of 6) - 18-28086

    $99.99

  33. Sierra OMC Spark Plug Wire Set - 18-8806-1

    $81.99

  34. Sierra Mercruiser Spark Plug Wire Set - 18-8829-1

    $109.99

  35. Sierra Mercruiser Spark Plug Wire Set - 18-8834-1

    $76.99

  36. Sierra Mercury Spark Plug Wire Set - 18-8838-1

    $428.99
Previous6 / 6

2Filters

Clear All
  1. Departments: Early Release ×
  2. Departments: Spark Plugs ×
Departments
Manufacturer
Price
4.99
1375.35
More Ways To Shop
Availability
Fulfillment

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.