This SEI Marine Driveshaft is a direct aftermarket replacement for MerCruiser I, R, MR, and Alpha One Sterndrives manufactured from 1972 to 1990.
It is designed to meet or exceed OEM performance standards, providing reliable power transfer and proper alignment within your sterndrive system.
This driveshaft replaces OEM 45-55796 and is not compatible with Gen II drives. SEI Marine components are precision-machined for durability and backed by a 3-Year Fault-Free Warranty.
Product Features
- Direct OEM Replacement: Replaces MerCruiser OE# 45-55796
- Fitment: MerCruiser I, R, MR, and Alpha One Sterndrives (1972–1990)
- Compatibility: Not for Gen II drives
- Condition: 100% brand-new SEI Marine replacement driveshaft
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: This driveshaft is not compatible with Gen II applications.
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 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.
