21218878 Volvo FH Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. A high-quality pump is essential for maintaining stable operating temperatures, especially in heavy commercial vehicles subject to high engine loads and long-haul operations.

Compatible Volvo vehicles and engines

This component is specifically engineered for Volvo FH models, including variants 400, 440, 480, 500, and 520. It is also compatible with Volvo FH16 engines featuring the D16G configuration. These parts are designed to withstand high temperatures and constant vibration inherent in heavy-duty service.

Maintenance and installation guidance

When performing maintenance, technicians should inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise. For optimal engine longevity, it is recommended to inspect the unit during timing belt or alternator belt service intervals.

Troubleshooting and selection

Ensuring correct fitment is vital for preventing overheating and potential engine damage. Always verify compatibility with your specific engine code and chassis details before installation.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21218878.