Description

Mercury MerCruiser Gasket – 8M0090319

Maintain proper cooling system sealing with the Mercury MerCruiser Gasket 8M0090319. This genuine Mercury OEM gasket is used in water pump assemblies to create a tight seal between the pump housing components and prevent cooling water leaks.

Designed to Mercury Marine specifications, this gasket ensures proper sealing when servicing or replacing the water pump impeller. Replacing the gasket during water pump maintenance helps maintain proper cooling water pressure and prevents overheating issues.

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Key Features

• Genuine Mercury Marine OEM water pump gasket

• Provides a reliable seal for water pump housing assemblies

• Helps maintain proper cooling water pressure

• Recommended replacement during water pump impeller service

• Marine-grade composite material designed for heat and moisture resistance

• Direct replacement for original Mercury components

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Part Details

OEM Part Number: 8M0090319
Mercury Reference Number: 27-8M0090319
Supersedes: 27-85608-1
Product Type: Water pump gasket
Application: Outboard and sterndrive water pump assemblies

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Compatible Mercury & MerCruiser Engines

Commonly used with Mercury and Mariner two-stroke outboards and select MerCruiser sterndrives, including engines such as:

Mercury / Mariner Two-Stroke Outboards

• Mercury 90HP

• Mercury 100HP

• Mercury 115HP

• Mercury 135HP

• Mercury 150HP

• Mercury 175HP

• Mercury 200HP

MerCruiser Sterndrive Applications

• Select MerCruiser sterndrives using this water pump gasket design

This gasket is typically used when servicing the gearcase water pump or replacing the impeller in these engines.

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Function

The water pump gasket seals the joint between the water pump housing and the gearcase components. A proper seal allows the pump to maintain correct water pressure and circulate cooling water through the engine.

Replacing worn gaskets helps:

• Prevent cooling water leaks

• Maintain proper cooling system pressure

• Improve water pump efficiency

• Protect the engine from overheating

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Important Compatibility Note

Water pump components can vary depending on engine model, gearcase design, and serial number range. Always verify compatibility using the engine model and serial number before ordering to ensure the correct replacement gasket.

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Shipping: Ships same or next day for fast Canada wide shipping.