21280077 Volvo FH Water Pump

What does a water pump do?

This water pump is a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining consistent flow, it prevents overheating and ensures the engine operates within its ideal temperature range even under high loads.

Vehicle and engine compatibility

This specific part is designed for Volvo FH models, including 400, 440, 480, 500, and 520 variants, as well as the Volvo FH16 with D16G engines. It is engineered to meet the rigorous demands of heavy commercial vehicle applications.

Installation and maintenance

For professional technicians, we recommend inspecting the pump during timing belt or alternator belt service intervals. When replacing this component, ensure all cooling system seals are checked to prevent leaks. Proper installation is vital to maintain the integrity of the cooling circuit and avoid engine overheating.

Selection guidance

Consult your authorized distributor to verify 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.