21814040 Volvo B13R D13B 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 steady flow, it prevents overheating and ensures stable operating temperatures for high-capacity engines.

Engine compatibility

This specific component is designed to fit Volvo B13R models equipped with D13B engines. It is an essential replacement part for workshop technicians maintaining heavy commercial vehicle fleets or construction machinery.

Maintenance and installation

To ensure proper function, technicians should inspect the pump housing and impeller during routine maintenance. It is highly recommended to inspect or renew the pump alongside the timing belt or alternator belt service to prevent unexpected system failure.

Troubleshooting guidance

Regular monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can prevent more serious engine damage. Always verify engine compatibility before installation.

OE cross-reference

525.03.0008 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21814040.