This SEI Marine Heavy Duty U-Joint is designed for MerCruiser Alpha One sterndrives (1972–1990) and compatible with select OMC Cobra (1986–1997) and Volvo Penta SX (Joint Venture 1986–1997) applications.
Built to OEM specifications for strength and precision, this greasable heavy-duty U-joint provides superior load-bearing performance and smooth driveline operation.
Replaces OEM 3850812 and 75832T1, and fits models from 1970 through 1997.
Not compatible with sealed-style U-joints or MerCruiser drives with serial numbers above 0K999999.
Protected by SEI’s 3-Year Fault-Free Warranty for dependable service and peace of mind.
Product Features
- Direct OEM Replacement: Replaces MerCruiser OE# 3850812 and 75832T1
- Fitment: MerCruiser Alpha One Sterndrives (1972–1990)
- Additional Fitment: OMC Cobra (1986–1997) and Volvo Penta SX (1986–1997 Joint Venture models)
- Rotation: Standard design for sterndrive applications
- Design: Heavy-duty, greasable U-joint construction
- Compatibility Notes: Will not replace sealed MerCruiser U-joints and will not fit serial numbers above 0K999999
- Condition: 100% brand-new SEI Marine replacement component
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: Ensure your application uses the greasable U-joint design before ordering.
If you need additional driveline, yoke, or gimbal components for your MerCruiser, OMC, or Volvo Penta system, please email or fill out the contact form and we will assist you in locating everything needed.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com .
Please include your engine model number to help confirm proper fitment before ordering.
