Mercury-Mercruiser 46-8M0113733 Water Pump Assembly

Restore reliable engine cooling with the Mercury-Mercruiser 46-8M0113733 Water Pump Assembly—a complete, genuine OEM solution designed to keep your MerCruiser sterndrive or inboard engine running cool under pressure.

The water pump is the heart of your engine’s raw water cooling system, drawing in water to regulate temperature and prevent overheating. The 46-8M0113733 assembly comes fully pre-assembled for quick installation and includes the pump housing, impeller, wear plate, seals, and all necessary internal components—saving you time and ensuring precise factory alignment right out of the box.

Built with durable, marine-grade materials, this pump assembly offers superior corrosion resistance and long-lasting performance in both saltwater and freshwater conditions. It’s engineered to exact OEM specifications to deliver maximum water flow and cooling efficiency, making it the perfect replacement for worn or damaged factory pumps.

Ideal for preventative maintenance or as a direct replacement during impeller servicing, the 8M0113733 ensures your cooling system continues to operate at peak efficiency—protecting your engine during every run.

Features:

• Mercury OEM Part #46-8M0113733

• Complete pre-assembled water pump

• Includes housing, impeller, wear plate, seals & internal parts

• Designed for select MerCruiser sterndrive and inboard engines

• High corrosion resistance for harsh marine environments

• Ensures optimal engine temperature and prevents overheating

Trust in Mercury’s factory-built water pump assemblies for top-tier cooling performance and peace of mind on the water. Get back to boating with confidence—install the 46-8M0113733 Water Pump Assembly today.

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