21469157 Volvo FH Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine and the radiator. By maintaining consistent fluid flow, it prevents engine overheating and supports long-term component durability during intensive operations.

Compatible vehicles and engines

This specific unit is designed for Volvo FH models, including variants 400, 440, 480, 500, and 520, as well as Volvo FH16 models equipped with D16G engines. It is engineered to withstand the high-load operating conditions typical of heavy commercial vehicles.

Installation and maintenance

For optimal performance, technicians should inspect the pump during scheduled belt service. When replacing the unit, it is recommended to check the condition of the timing belt and thermostat to ensure complete system integrity. Proper installation helps prevent common issues such as leaks or bearing noise.

Troubleshooting and selection

Maintaining a stable operating temperature is essential for preventing serious engine damage. If you notice coolant leakage from the weep hole or unusual mechanical noise, consult your authorized distributor to verify compatibility and part requirements.

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 21469157.