Defender US
Free Shipping on orders over $99*

Sierra

1390 Listed

  1. Sierra Oil Seal - 18-2062

    $9.66
    0

  2. Sierra Oil Seal - 18-2064

    $9.38
    0

  3. Sierra Oil Seal - 18-2065

    $9.66
    0

  4. Sierra Oil Seal - 18-2076

    $19.99
    0

  5. Sierra Oil Seal - 18-2077

    $19.20
    0

  6. Sierra Upper Unit Seal Kit for Mercruiser Stern Drives - 18-2644

    $42.99
    0

  7. Sierra Center Socket - Rockwell - 18-2128

    $334.66
    0

  8. Sierra Shift Cable for Mercruiser Stern Drives - 18-2145

    $129.99
    0

  9. Sierra Long Yoke - 18-2146

    $472.48
    0

  10. Sierra Shift Cable Guide for Mercruiser Stern Drives - 18-2149

    $37.16
    0

  11. Sierra Shift Arm for Mercruiser Stern Drives - 18-2161

    $37.99
    0

  12. Sierra Shift Slide Screw for Mercruiser Stern Drives - 18-2163

    $2.97
    0

  13. Sierra Engine Coupler for Mercruiser Stern Drives - 18-2172

    $1,017.16
    0

  14. Sierra Engine Coupler for Mercruiser Stern Drives - 18-2173

    $461.99
    0

  15. Sierra Carrier Bearing for Mercruiser Stern Drives - 18-2191

    $144.99
    0

  16. Sierra Electric Shift Cable - 18-2192

    $140.24
    0

  17. Sierra Rear Engine Mount - 18-2193

    $144.35
    0

  18. Sierra Sliding Clutch - 18-2216

    $380.60
    0

  19. Sierra Sliding Clutch for Mercury/Mariner Outboard Motors - 18-2236

    $514.79
    0

  20. Sierra Tab Washer - 18-2298

    $22.40
    0

  21. Sierra Rubber Seal for Johnson/Evinrude Outboard Motors - 18-2539

    $9.91
    0

  22. Sierra Thermostat Gasket for Mercruiser Stern Drives - 18-2553

    $4.74
    0

  23. Sierra Thermostat Gasket for Mercruiser Stern Drives - 18-2554

    $4.06
    0

  24. Sierra Outdrive Gasket Set for OMC Sterndrive/Cobra Stern Drives - 18-2613

    $6.58
    0

  25. Sierra Face Seal and Tool - 18-2599

    $9.10
    0

  26. Sierra Outdrive Gasket Set for Mercruiser Stern Drives - 18-2615

    $7.67
    0

  27. Sierra Bell Housing Bushing Kit - 18-2622

    $46.99
    0

  28. Sierra Lower Unit Seal Kit for Mercruiser Stern Drives - 18-2645

    $339.04
    0

  29. Sierra Upper Unit Seal Kit for Mercruiser Stern Drives - 18-2648

    $27.99
    1

  30. Sierra Lower Unit Seal Kit for Mercury/Mariner Outboard Motors - 18-2653

    $104.99
    0

  31. Sierra Lower Unit Seal Kit for Mercury/Mariner Outboard Motors - 18-2654

    $273.41
    0

  32. Sierra Lower Unit Seal Kit for Mercury/Mariner Outboard Motors - 18-2655

    $129.81
    0

  33. Sierra Lower Unit Seal Kit for Johnson/Evinrude Outboard Motors - 18-2658

    $107.16
    1

  34. Sierra Lower Unit Seal Kit for Johnson/Evinrude Outboard Motors - 18-2660

    $59.99
    0

  35. Sierra Lower Unit Seal Kit for Johnson/Evinrude Outboard Motors - 18-2685

    $190.29
    0

  36. Sierra Lower Unit Seal Kit for Johnson/Evinrude Outboard Motors - 18-2692

    $70.99
    0

  37. Sierra Check Valve Kit for Mercruiser Stern Drives - 18-2715

    $9.27
    0

  38. Sierra Drive Bellows Kit for Volvo Penta Stern Drives - 18-2744

    $75.99
    0

  39. Sierra Exhaust Boot - 4 Lower Tube for Mercruiser Stern Drives - 18-2746

    $41.99
    0

  40. Sierra Exhaust Tube for Mercruiser Stern Drives - 18-2759

    $191.94
    0

  41. Sierra Exhaust Tube - Includes 18-7314 Clamp for Mercruiser Stern Drives - 18-2760

    $53.99
    0

  42. Sierra Exhaust Tube for Mercruiser Stern Drives - 18-2762

    $40.99
    1

  43. Sierra Shift Cable Bellows for OMC Sterndrive/Cobra Stern Drives - 18-2763

    $16.18
    0

  44. Sierra U-Joint Bellows - 18-2765

    $48.99
    0

  45. Sierra Transom Seal for OMC Sterndrive/Cobra Stern Drives - 18-2767

    $150.99
    0

  46. Sierra Thermostat Housing for Volvo Penta Stern Drives - 18-2778

    $55.99
    0

  47. Sierra Valve Cover Gasket - 18-2845

    $76.54
    0

  48. Sierra Head Gasket for Johnson/Evinrude Outboard Motors - 18-2956

    $22.99
    0
Previous12 / 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.