A boat’s trim and tilt system takes a beating over time, and keeping it in top shape means paying attention to the details. The Mercury End Cap Assembly (8M0143003) is a key component in maintaining smooth, leak-free hydraulic operation. Designed for a precise fit on a range of Mercury outboards, this OEM part helps keep your trim system sealed and functioning efficiently. When an end cap starts to wear or leak, replacing it can prevent bigger issues down the line—helping you avoid costly repairs and downtime.

What Makes This End Cap Essential:

• Reliable Seal – Prevents hydraulic leaks, keeping the trim system operating smoothly.
• Durable Construction – Built to withstand the harsh marine environment and constant pressure changes.
• OEM Fit – Designed for Mercury outboards to ensure perfect compatibility and easy installation.

Compatible Mercury Outboards:

This end cap assembly is made for high-horsepower engines, including:

• 105 HP, 110 HP, 135 HP, 140 HP
• 150 HP, 175 HP, 200 HP
• 225 HP, 250 HP, 300 HP

A worn-out end cap can lead to sluggish trim response and even fluid loss—neither of which you want while out on the water. Swapping it out with a Mercury End Cap Assembly 8M0143003 is a simple step toward keeping your boat running at its best.