A reliable seal is the difference between a well-running engine and a frustrating day on the water. The Mercury O-Ring (25-8M0204673) is a small but critical component designed to keep your engine's systems tight, leak-free, and operating at peak performance. Built from high-quality marine-grade rubber, this O-ring resists fuel, oil, and environmental wear, ensuring a long service life in demanding conditions.

A proper seal keeps fluid where it belongs, preventing unnecessary damage to internal components. Designed specifically for Mercury marine engines, this O-ring fits seamlessly, making installation straightforward and hassle-free. Whether you’re replacing a worn-out seal or handling routine maintenance, this part ensures that everything stays secure and running smoothly.

Why It Matters:

• Precision Fit – Engineered for Mercury marine engines, ensuring a perfect seal every time.
• Resistant to Harsh Conditions – Withstands exposure to oil, fuel, and extreme temperatures.
• Prevents Leaks – Keeps fluids contained, protecting vital components from premature wear.
• Long-Lasting Durability – Maintains flexibility and elasticity even in high-pressure environments.

Sealing performance issues before they start is key to trouble-free boating. Swap out old seals with the Mercury O-Ring (25-8M0204673) and keep your engine operating at its best.