This SEI Marine driveshaft is a direct replacement for Mercury & Mariner 3-cylinder 2-Stroke 50–60 HP engines using a 20" BigFoot lower unit.
Built to exacting specifications, it ensures smooth power delivery and long-lasting reliability in harsh marine environments.
Product Features
- Fits Mercury / Mariner 3-cylinder 2-Stroke 50–60 HP
- 20" (L) driveshaft
- Designed for BigFoot lower units only
- 11 spline shaft
- OEM replacement for 45-826736A1
- Heavy-duty marine-grade steel construction
- Brand: SEI Marine
Additional Information
All rebuild components (gears, seals, shafts, bearings, and hardware) are available upon request.
If you're completing a full repair or overhaul, contact us and we can help you assemble all required parts.
Shipping Information
Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
A follow-up email and PayPal request will be sent for any additional charges.
(Some items may not qualify for international shipping.)
Customer Support
For questions or compatibility confirmation, email: customerservice@marinepartswarehouse.com
Please include your engine model number.
