21284318 Compatible Water Pump — Volvo FH

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 to maintain ideal operating temperatures. In heavy commercial vehicle applications, maintaining consistent thermal management is vital for engine longevity and preventing overheating during high-load operations.

Compatible Volvo models and engines

This component is specifically compatible with Volvo FH series trucks, including models 420, 460, 500, and 540, as well as Volvo FH13 units equipped with D13A engines. It serves as a reliable replacement for original equipment to ensure seamless integration within the cooling circuit.

Maintenance and inspection guidance

To ensure optimal performance, technicians should inspect the pump during routine cooling system maintenance or belt replacements. Checking for signs of coolant leakage or unusual bearing noise can help prevent unexpected engine downtime. Consult your authorized distributor.

System reliability and performance

Maintaining a high-flow circulation pattern helps protect engine components from thermal stress. Selecting a pump designed for heavy-duty service ensures stability even in demanding environments.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21284318.