This SEI Marine 20" Driveshaft is a direct replacement for Mercury and Mariner 135–200 HP V6 outboards (2.0L, 2.4L, and 2.5L) manufactured between 1986 and 2015.
Designed for 20-inch (L) midsection models, this driveshaft features an eight-spline upper and is intended for non-preload pin gearcase models.
It replaces OEM part numbers 45-44000-1 and 45-897624T, meeting original factory specifications for precision, fitment, and strength.
Constructed from hardened marine-grade steel, it provides superior durability and resistance to corrosion in saltwater environments.
Product Features
- Manufacturer: SEI Marine
- Application: Mercury & Mariner V6 2.0L / 2.4L / 2.5L (135–200 HP)
- Years: 1986–2015
- Type: 20" (Long Shaft) Driveshaft
- Spline Count: 8-Spline Upper
- Design: Non-Preload Pin Models
- OEM Part #: 45-44000-1, 45-897624T
- Fitment: For models using driveshaft retainer nut
- Material: Precision-machined hardened steel
- Condition: 100% brand-new SEI Marine replacement part
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: For non-preload pin V6 Mercury & Mariner outboards only.
Compatible with 2.0L, 2.4L, and 2.5L 135–200 HP models with 20-inch midsections.
Not designed for 25" (XL) or 30" (XXL) shaft applications.
All other lower unit rebuild components are available upon request — please contact us for assistance.
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 and serial number to ensure correct fitment before ordering.
