A Mechanical Water Pump is one of the most important parts of an automotive cooling system. Unlike electric water pumps, it is a traditional type of pump that is directly driven by the engine crankshaft. Its primary function is to circulate coolant through the engine block, radiator, and hoses, ensuring stable operating temperature and preventing overheating.

The reliability of a mechanical water pump depends heavily on the quality of its individual components. At OkayParts, we supply OEM-standard mechanical water pump components including bearings, impellers, shaft sleeves, sealing gaskets, and more — all designed to meet strict ISO/TS16949 standards.

Main Components of a Mechanical Water Pump

• Impeller – The rotating part that pushes coolant through the system. High-quality impellers improve flow efficiency and extend pump life.

• Bearings – Support the shaft and impeller, reducing friction and ensuring smooth rotation.

• Shaft and Shaft Sleeves – Transfer power from the crankshaft to the impeller while protecting the shaft from wear.

• Mechanical Seals & Gaskets – Prevent coolant leakage, which is one of the most common water pump failure points.

• Housing – The casing that holds all components together and provides inlet/outlet channels for coolant flow.

Why Choose OkayParts Components?

OEM & ODM customization available
ISO9001 / IATF16949 certified quality
Monthly production capacity of 200,000+ units
Compatible with Fiat, Jeep, Toyota, VW, and other global vehicle brands
Full technical support and after-sales service

Applications

Our mechanical water pump components are widely used in passenger cars, commercial vehicles, construction machinery, and agricultural equipment. Whether you are an OEM, distributor, or repair parts supplier, OkayParts can deliver consistent quality and reliable supply for your market needs.

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