My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-4828 Marine Pinion Bearing Carrier for OMC Cobra Sterndrive

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4828
10 reviews
Sale Price

$105.27

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 18-4828 Pinion Bearing Carrier is a high-quality replacement drive component engineered for OMC Cobra sterndrive upper units. Designed to replace OEM part number 911750 / 0911750, this carrier precisely positions and supports the pinion gear within the gearcase, maintaining proper gear mesh and alignment critical to smooth, reliable power transfer through the drive system.

Manufactured by Sierra International — a trusted leader in marine replacement parts — this pinion bearing carrier meets or exceeds OEM specifications, ensuring a dependable fit and long service life in demanding marine environments.

Key Features:

  • Direct OEM replacement for OMC part number 911750 / 0911750
  • Also cross-references to Volvo Penta 3858906
  • Designed for OMC Cobra sterndrive upper units (1986–1993), without cone clutch
  • Supports pinion gear positioning within the upper gearcase
  • Built to Sierra International's marine-grade quality standards

OEM Cross-Reference Numbers:

  • OMC / BRP: 911750, 0911750
  • Volvo Penta: 3858906
  • Sierra: 18-4828

This pinion bearing carrier is a critical gearcase component — when servicing or rebuilding an OMC Cobra sterndrive upper unit, pairing it with a fresh upper pinion bearing (Sierra 18-1161) and pinion housing retainer ring (Sierra 18-3768) is recommended for a complete, professional-quality repair.

Easy with great prices

Quick and easy.

Service was great. The Diamond Eye exhaust is high quality. 100% satisfied.

Was looking online for the best price on a part and found that autoplicity had the lowest price and free shipping on it. I ordered it and it was shipped the next day along with tracking number. I will be ordering a few more parts from autoplicity. Order Number: 27769

Best price I could find, easy to order and pay thru Amazon, so far so good

SUPER EASY TO ORDER, CHEAPEST PRICES!! WILL BE ORDERING FROM THEM AGAIN!

I have used them a couple times. Always seem to be one of the lowest prices on the internet and pretty quick turnaround on shipping. If you live near Los Angeles, they have a warehouse in Cerritos, so things arrive real quick once they're shipped.

Best price, easy purchase now lets see how quick they are on shipping.

quick and easy

IT WAS EASY. HOOPEFULLY SHIPPING AND DELIVERY GO AS WELL.

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