My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-1171 U-Joint Shaft Bearing for OMC Sterndrive / Cobra Stern Drive

Manufacturer

Picture for manufacturer Sierra

Part Number

18-1171
13 reviews
Sale Price

$52.52

4 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra International 18-1171 is a replacement U-joint shaft bearing engineered for use in OMC Sterndrive and Cobra stern drive applications. This bearing directly replaces OEM part number OMC 983878 and is also interchangeable with GLM part number 21543, making it a reliable aftermarket solution for maintaining proper drivetrain function in OMC-powered vessels.

Sierra International is a leading manufacturer of marine engine parts, known for producing components that meet or exceed OEM specifications. This U-joint shaft bearing is designed to support the driveshaft's universal joint, ensuring smooth and efficient power transfer between the engine and the stern drive unit.

Key Features:

  • Direct OEM replacement for OMC Sterndrive and Cobra stern drive systems
  • Replaces OEM part number 983878
  • Interchangeable with GLM part number 21543
  • Manufactured by Sierra International to meet OEM quality standards
  • Sierra Part Number: 18-1171
  • UPC: 030999974303

Proper U-joint shaft bearing maintenance is essential for minimizing vibration, reducing wear on the drivetrain, and extending the service life of your stern drive. Trust Sierra International parts for a precision fit and dependable performance on the water.

The proof is in the pudding. I await your follow through.

okay

I've been looking for a deal on my parts all over the place for weeks until I came to autoplicity. Even places like ebay couldn't even compare. I saved $40 easily even with shipping and I'm getting the parts quiker then most would ship out. Thank you I will continue to do business here.<br>

Great prices!!

Lowest price on the web, great deals, easy transactions. They got Paypal set up so you if you have an account with them makes it a flash to pay. Super site

Prompt shipping, good prices. Will buy from again

Can't see if it's in stock...

quick and convenient ordering

Awesome!

So far so good

Thank you

There is a subcategory for the mazdaspeed model of the protege. Much less digging to find the right parts.

Amazingly fast shipping. Item came as ordered & properly packaged. I received item faster than expected & on time for my father in law's birthday. Will definitely use Autoplicity again.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy