Replacement O"‘Ring for Fill Cap.
 2.225 x .210

A proper seal can mean the difference between smooth operation and unexpected trouble on the water. The Mercury Fill Cap O-Ring (2.225" x .210") (25-11332) is a small but crucial component that ensures a leak-proof, secure seal for your fill cap, keeping fluids contained and contaminants out. Over time, exposure to fuel, oil, and marine conditions can wear down an O-ring, leading to slow leaks or pressure loss. Swapping out a worn seal is a quick, easy fix that helps prevent bigger headaches down the line.

Designed for Reliable Performance:

• Precision-Fit OEM Quality – Built to Mercury’s exact specifications for a tight, reliable seal.
• Fuel & Oil-Resistant Material – Withstands exposure to harsh marine conditions.
• Prevents Leaks & Contamination – Keeps essential fluids clean and properly contained.

Ideal for:

• Replacing worn-out or damaged fill cap O-rings.
• Preventing leaks that can lead to performance issues.
• Ensuring a reliable, long-lasting seal in fuel and oil systems.

A failing seal is one of those small issues that can cause major problems if left unchecked. Keep your system in top shape with the Mercury Fill Cap O-Ring (25-11332)—a simple fix that offers long-term peace of mind.