This SEI Marine H-Yoke is a direct aftermarket replacement for MerCruiser I, R, MR, Alpha One, and Alpha One Gen II Sterndrives produced from 1972 to 1990.
Designed for applications with serial numbers OK999999 and below, this heavy-duty yoke provides precision coupling and reliable torque transfer between the engine and sterndrive unit.
Manufactured to exact OEM specifications, SEI’s H-Yoke offers superior strength, alignment accuracy, and corrosion resistance, and is backed by a 3-Year Fault-Free Warranty.
Product Features
- Direct OEM Replacement: Replaces MerCruiser OE# 0912213
- Fitment: MerCruiser I, R, MR, Alpha One, and Alpha One Gen II Sterndrives (1972–1990)
- Serial Compatibility: Fits units with serial numbers OK999999 and below
- Design: Heavy-duty H-Yoke construction for durability and smooth power transfer
- Condition: 100% brand-new SEI Marine replacement part
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: This yoke is compatible with pre-1998 sterndrives and will not fit applications with serial numbers above OK999999.
All parts required for complete sterndrive rebuilds are available upon request.
If you need additional components, please email or fill out the contact form and we’ll 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.
