Lower Gearcase Seal & O-ring 26-888483 25-8M0000190 For Mercury Mariner 4-Stroke

Lower Gearcase Seal & O-ring for Mercury

This lower gearcase seal and O-ring set for Mercury Mariner 4-stroke outboards prevents water ingress and lubricant loss by sealing the gearcase assembly. It includes part numbers 26-888483 and 25-8M0000190 for a precise fit.

Overview

The lower gearcase seal and O-ring kit for Mercury Mariner 4-stroke engines provides a reliable barrier against moisture and contaminants. This seal set is essential for maintaining the integrity of the lower unit, ensuring optimal performance and longevity of your outboard. Designed as a direct replacement, it matches OEM part numbers 26-888483 and 25-8M0000190.

Built For Performance

• Made from high-grade rubber for durability and flexibility
• Prevents oil leaks and water intrusion
• Precision-molded to fit Mercury Mariner 4-stroke lower units
• Includes both seal and O-ring for complete replacement
• Resists oil, fuel, and saltwater corrosion

Specs At A Glance

Good To Know

Q: What is included in this seal kit? A: This kit includes a lower gearcase seal and an O-ring, part numbers 26-888483 and 25-8M0000190.

Q: Is this seal kit compatible with a Mercury 60HP 4-stroke? A: This seal kit is designed for Mercury Mariner 4-stroke outboards, but always verify compatibility with your engine's serial number.

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