This SEI Marine Trim Cylinder is designed for Mercruiser Alpha 1 sterndrives (1972–1991) using the 15-9/16" long trim cylinder.
It can be used on either the port or starboard side, replacing OEM #98703A3 (Port) and OEM #98704A3 (Starboard), depending on the side you need.
Engineered for reliable trim/tilt performance, this cylinder fits SE106 drives and provides long-lasting hydraulic operation.
Product Features
- Manufacturer: SEI Marine
- Application: Mercruiser Alpha 1 (1972–1991)
- Side: Port or Starboard
- Cylinder Length: 15-9/16"
-
Replaces OEM #:
- Port: 98703A3 / 98703A4
- Starboard: 98704A3
- Compatible Drive: SE106
- Durable Marine-grade Construction
- 3-Year Fault-Free Warranty
Additional Information
- Please specify whether you need Port or Starboard when ordering.
- Direct replacement for Alpha 1 drives requiring the 15-9/16" trim cylinder.
Shipping Information
Additional shipping fees may apply to Alaska, Hawaii, U.S. Territories, or international destinations.
A PayPal money request will be sent for any required additional charges.
(Some items may be excluded from international shipping.)
Customer Support
For compatibility assistance, email customerservice@marinepartswarehouse.com with your engine model number.
