21960479 Volvo FMX D13K Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent flow, it prevents overheating and ensures the thermal stability required for heavy-duty engine operation during demanding tasks.

Compatible Volvo vehicles and engines

This component is compatible with Volvo FMX models (including 380, 420, 460, and 500 variants) equipped with D13K engines, as well as various Volvo FM series trucks. It is engineered to meet the rigorous demands of heavy commercial vehicle service environments.

Installation and maintenance

To ensure optimal performance, technicians should inspect the pump during routine cooling system maintenance. It is recommended to check for any signs of coolant leakage from the weep hole or unusual bearing noise. Replacing the pump alongside belts during scheduled service intervals helps prevent unexpected downtime.

Service guidance

Selecting a high-strength component ensures reliable service life under high thermal loads. Check the compatibility list to confirm fitment for your specific engine configuration.

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 21960479.