21974078 Compatible Water Pump — Volvo VNL D13

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 and the radiator. Engineered for heavy commercial vehicle applications, it is built to withstand high temperatures and intense vibrations during long service hours.

Vehicle and engine compatibility

This specific unit is compatible with Volvo VNL trucks equipped with the D13 engine. It is designed to meet the rigorous demands of heavy-duty engines, ensuring reliable performance in various transport and construction environments.

Installation and maintenance

To ensure correct installation, technicians should inspect the mounting surfaces and verify that the drive belt tension is correct. It is recommended to inspect or renew this component together with timing belt or alternator belt service to prevent system failure.

Troubleshooting guidance

If you notice coolant leaking from the weep hole or hear unusual bearing noise, it may be time to replace the unit. Consult your authorized distributor for further assistance.

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 21974078.