Mercury 47-8M0100526 Water Pump Impeller Repair Kit

Mercury 47-8M0100526 Water Pump Impeller Repair Kit

Keep your marine engine cooling system operating at peak performance with the Mercury 47-8M0100526 Water Pump Impeller Repair Kit. Designed as a genuine OEM replacement, this repair kit includes the essential components needed to restore proper water pump operation and maintain dependable cooling performance in demanding marine conditions.

The water pump impeller is responsible for circulating cooling water through the engine to regulate operating temperature and protect critical internal components. Over time, the impeller vanes can wear, crack, or lose flexibility due to heat, debris, and continuous use. Replacing the impeller and related service components at recommended intervals helps maintain strong water flow and reduces the risk of overheating or engine damage.

Built to Mercury Marine factory specifications, the 47-8M0100526 repair kit is engineered for durability and reliable fitment in both freshwater and saltwater environments. Designed as a direct replacement for compatible Mercury cooling systems, it simplifies routine maintenance and helps restore factory-level cooling performance.

Common Engine Fitments

The Mercury 47-8M0100526 water pump impeller repair kit is commonly used on select Mercury and MerCruiser engine applications, including:

• Mercury 75 HP FourStroke outboards
• Mercury 90 HP FourStroke outboards
• Mercury 115 HP FourStroke outboards
• Mercury 150 HP FourStroke outboards
• MerCruiser 3.0L applications with compatible raw water pump systems
• Select Mercury Racing outboard applications

These engines are frequently found on:

• Center console fishing boats
• Bay boats
• Pontoon boats
• Aluminum fishing boats
• Bass boats
• Offshore fishing boats

Popular boat brands commonly equipped with these engines include:

• Boston Whaler
• Sea Hunt
• Tracker
• Bennington
• Carolina Skiff
• Ranger Boats

The 47-8M0100526 kit is commonly used in Mercury water pump systems where maintaining consistent cooling water circulation is essential for engine reliability and performance.

Fitment can vary depending on engine serial number and lower unit configuration, so confirming compatibility with part number 47-8M0100526 before ordering is recommended.

Typical Kit Contents

Depending on production revision, the kit may include:

• Water pump impeller
• Gaskets and seals
• O-rings
• Wear plate components
• Installation hardware

Contents may vary slightly by production batch.

Key Features

• Genuine Mercury Marine OEM impeller repair kit
• Restores proper cooling system water flow
• Designed for Mercury outboard and MerCruiser applications
• Helps reduce the risk of overheating and cooling system failure
• Marine-grade materials built for durability
• Direct-fit replacement for straightforward installation

Why Replace Your Water Pump Impeller?

A worn impeller can lose efficiency long before complete failure occurs. Routine replacement helps maintain cooling performance, protect engine components, and reduce the chance of unexpected breakdowns on the water.

If you’re servicing a compatible Mercury-powered boat, the 47-8M0100526 Water Pump Impeller Repair Kit delivers the OEM-quality fit and dependable cooling performance your engine depends on.