Mercury-Mercruiser 98-8M0137220 Heavy Duty Seawater Pump Impeller Kit

Keep your engine running cool and protected with the Mercury-Mercruiser 98-8M0137220 Heavy Duty Seawater Pump Impeller Kit—an essential OEM replacement for maintaining peak cooling system performance in your MerCruiser marine engine.

This heavy-duty impeller kit is designed to deliver superior durability and reliable water flow, even in demanding boating conditions. It includes a high-performance impeller, gaskets, o-rings, and wear components—everything needed for a full impeller service. Whether you’re prepping for a new season or replacing worn components, this kit helps restore factory-level cooling efficiency and performance.

The 8M0137220 impeller is manufactured using advanced rubber compounds formulated to withstand elevated temperatures, saltwater exposure, and extended wear. This ensures long-lasting operation and reduces the risk of impeller failure, which can lead to engine overheating and costly damage.

Engineered to fit select MerCruiser seawater pump models, this kit provides a hassle-free, direct replacement and meets all Mercury OEM specifications for flow rate, pressure, and performance. It’s the go-to choice for serious boaters and marine technicians who want long-term reliability and peace of mind on the water.

Kit Includes:

• Heavy-duty impeller

• Gaskets and o-rings

• Wear components

• OEM fit for select MerCruiser seawater pumps

• Mercury OEM Part #98-8M0137220

Features:

• Built for maximum durability in saltwater conditions

• Designed to restore efficient raw water circulation

• Helps prevent overheating and engine wear

• Quick, easy replacement with all necessary parts included

Trust the 98-8M0137220 Heavy Duty Impeller Kit to keep your cooling system flowing strong—because your engine deserves the best.

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