Trim Ram Cylinder STARBOARD for MerCruiser Alpha I Gen II - 815954A7, 18-2423

Trim Ram Cylinder STARBOARD for MerCruiser

This starboard trim ram cylinder is a direct replacement for MerCruiser Alpha I Gen II outdrives, referenced by OEM numbers 815954A7 and 18-2423.

Overview

This starboard trim ram cylinder is a hydraulic component that adjusts the tilt and trim of MerCruiser Alpha I Gen II outdrives. It replaces worn or damaged units to restore proper outdrive positioning and performance. Designed for marine use, it provides reliable operation in saltwater and freshwater environments.

Built For Performance

• Constructed with corrosion-resistant stainless steel and anodized aluminum
• Direct OEM replacement for part numbers 815954A7 and 18-2423
• Sealed hydraulic system prevents leaks and contamination
• Precision-machined components ensure smooth extension and retraction
• Includes pre-installed fittings for easy installation

Fits These Machines

• for MerCruiser Alpha I Gen II sterndrives

On-The-Job Use

• Used to adjust outdrive trim for optimal boat performance and fuel efficiency
• Essential for shallow water operation by tilting the drive up
• Critical for trailering to raise the outdrive clear of the road
• Replaces worn cylinders that cause slow or uneven trim operation

Specs At A Glance

Good To Know

Q: Is this the starboard or port side cylinder? A: This is the starboard (right side when facing the stern) trim ram cylinder; ensure you order the correct side for your engine.

Q: Does it come with the trim limit sensor? A: No, this is the hydraulic cylinder only; the trim limit switch is sold separately if needed.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.