HOLIDAY ALERT

We will be closed on Wednesday, December 31st & Thursday, January 1st in observance of the New Year holiday.
Any orders placed after this time will be processed on Friday, January 2nd.

To all our customers - thank you for an amazing 2025!  Have a Happy New Year!

UPS SHIPMENT ALERT

Due to the tragic UPS plane crash in Louisville, KY, some UPS shipments--including expedited packages--may be delayed. 
Our thoughts are with those affected by this incident. Thank you for your patience!

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings
Bearings

Bearings

13 Items

Set Descending Direction
View as Grid List
  1. Small Image
    Gearcase Lower Pinion Bearing | Sierra 18-1170
    SIERRA-18-1170
    Qty In Stock: 0
    MSRP: $48.89 $42.82
    Add to Wishlist
  2. Large Image
    OMC Cobra Drive Shaft Thrust Bearing | Sierra 18-1365
    SIERRA-18-1365
    Qty In Stock: 0
    MSRP: $54.59 $34.86
    Add to Wishlist
  3. Large Image
    OMC Cobra Reverse Gear Thrust Bearing | Sierra 18-1366
    SIERRA-18-1366
    Qty In Stock: 0
    MSRP: $13.59 $8.75
    Add to Wishlist
  4. OMC Carrier Bearing | Sierra 18-1172
    Bearing Carrier | Sierra 18-1172
    SIERRA-18-1172
    Qty In Stock: 0
    MSRP: $65.02 $56.54
    Add to Wishlist
  5. Large Image
    Mercury/Mercruiser Tapered Roller Bearing | Sierra 18-1143
    SIERRA-18-1143
    Qty In Stock: 1
    MSRP: $58.29 $41.62
    Add to Wishlist
  6. Small Image
    OMC Stern Drive U-Joint Shaft Bearing | Sierra 18-1171
    SIERRA-18-1171
    Qty In Stock: 3
    MSRP: $71.59 $46.41
    Add to Wishlist
  7. Small Image
    Tapered Roller Bearings | Sierra 18-1165
    SIERRA-18-1165
    Qty In Stock: 2
    MSRP: $53.39 $34.12
    Add to Wishlist
  8. Small Image
    Upper Gearcase Pinion Bearing | Sierra 18-1161
    SIERRA-18-1161
    Qty In Stock: 1
    MSRP: $54.49 $34.75
    Add to Wishlist
  9. Small Image
    Mercury & Mercruiser Ball Bearing | Sierra 18-1155
    SIERRA-18-1155
    Qty In Stock: 0
    MSRP: $61.59 $42.42
    Add to Wishlist
  10. Small Image
    OMC Cobra Carrier Bearing | Sierra 18-1351
    SIERRA-18-1351
    Qty In Stock: 0
    MSRP: $33.29 $21.79
    Add to Wishlist
  11. Small Image
    Pinion Bearing | Sierra 18-1117
    SIERRA-18-1117
    Qty In Stock: 1
    MSRP: $62.19 $39.76
    Add to Wishlist
  12. Small Image
    Mercruiser Tapered Roller Bearing | Sierra 18-1179
    SIERRA-18-1179
    Qty In Stock: 3
    MSRP: $17.19 $12.31
    Add to Wishlist
  13. Small Image
    Mercruiser Roller Bearing Kit | Sierra 18-1182
    SIERRA-18-1182
    Qty In Stock: 0
    MSRP: $107.89 $69.01
    Add to Wishlist

13 Items

Set Descending Direction
View as Grid List

Sorry, is not an active item in our system. However, we may still be able to help you. Please email us at support@marinepartssource.com or call us at (866)388-0390 for assistance. Please make sure to have the item number handy when you contact us.

My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2026 Marine Parts Source. All Rights Reserved.