21228793 Volvo FM D13K Water Pump

What does a water pump do?

This water pump plays a vital role in the engine cooling system by circulating coolant between the engine and the radiator. By maintaining a constant flow, it prevents overheating and ensures the engine operates within its ideal temperature range, even under high load conditions common in heavy commercial vehicles.

Vehicle and engine compatibility

Specifically designed for Volvo FM trucks, this component is compatible with various models including the FM 480, FM 440, FM 380, FM 340, FM 300, FM 400, FM 360, FM 390, and FM 430 featuring D13K engines. It is engineered to meet the rigorous demands of long-haul and construction applications.

Maintenance and installation guidance

To ensure optimal performance, technicians should inspect the pump during routine belt services. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise. Replacing the pump alongside the timing belt or alternator belt is standard professional practice to prevent unexpected downtime.

Troubleshooting and replacement

Maintaining a stable cooling flow is essential for protecting engine components from thermal stress and ensuring long-term durability.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21228793.