21280077 Volvo FH Water Pump

What does a water pump do?

The water pump is a vital component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining consistent fluid flow, it prevents engine overheating and ensures optimal thermal management during heavy-duty operation.

Compatible Volvo FH models

This specific water pump is engineered to fit Volvo FH models, including the 400, 440, 480, 500, and 520 variants. It provides a reliable replacement for original equipment requirements in these heavy commercial vehicle engines.

Maintenance and installation

To ensure maximum service life, technicians should inspect the pump during routine belt or timing belt service intervals. It is recommended to check for signs of coolant leakage or unusual bearing noise during regular maintenance to prevent sudden system failure.

Troubleshooting guidance

Proper installation ensures that the impeller and shaft operate smoothly under high pressure. Consult your authorized distributor to confirm exact fitment for your specific engine configuration.

OE cross-reference

525.03.0020 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21280077.