21974080 Volvo FH13 D13B Cooling System Water Pump

What does a water pump do?

This water pump is a vital component of the engine cooling system, designed to circulate coolant between the engine block and the radiator. By maintaining constant flow, it ensures the engine operates at its ideal temperature even under high thermal loads. The unit is constructed from heavy-duty grade materials to withstand the rigorous demands of heavy commercial vehicle service.

Vehicle and engine compatibility

This specific model is designed for use in Volvo FH13 trucks equipped with D13B engines. It provides reliable performance for fleet managers and workshop technicians looking for precise fitment in heavy-duty applications.

Maintenance and installation

For optimal performance, technicians should inspect the pump during routine belt or timing belt service. Monitoring for signs such as coolant leakage from the weep hole or unusual bearing noise can prevent overheating and significant engine damage. Ensure all mounting surfaces are clean during installation to maintain a proper seal.

Troubleshooting and selection

Maintaining a robust cooling system is essential for engine longevity in long-haul and construction environments.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21974080.