This SEI Marine Trim Pump Assembly is a direct aftermarket replacement for MerCruiser Alpha One and Alpha One Gen II Sterndrives manufactured from 1986 to present.
Designed for optimal performance and reliability, this complete trim pump assembly directly replaces OEM 865380A25 and allows you to reuse your original fittings for quick connector installation.
Built to OEM standards, this SEI replacement pump ensures consistent trim performance and long service life under demanding marine conditions.
Product Features
- Direct OEM Replacement: Replaces MerCruiser OE# 865380A25
- Fitment: MerCruiser Alpha One & Alpha One Gen II Sterndrives (1986–Present)
- Design: Complete SEI Trim Pump Assembly
- Compatibility: Fits directly, uses original fittings for quick connectors
- Condition: 100% brand-new SEI Marine replacement trim pump
- Warranty: 3-Year Fault-Free Warranty provided by SEI Marine
Additional Information
Note: You can reuse the fittings from your old pump for quick connector compatibility.
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 sterndrive model number to help confirm proper fitment before ordering.
