21941086 Volvo B13R D13B 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 and the radiator. By maintaining steady fluid flow, it prevents overheating and ensures the engine operates within its intended thermal range under heavy-duty conditions.

Vehicle and engine compatibility

This specific unit is compatible with Volvo B13R trucks featuring the D13B engine. It is engineered to meet the rigorous demands of heavy commercial vehicle applications, ensuring reliable performance for fleet managers and workshop technicians alike.

Maintenance and installation

When performing maintenance, it is recommended to inspect the pump alongside the timing belt or alternator belt service. Technicians should check for common failure indicators such as coolant leakage from the weep hole or unusual bearing noise during operation.

Troubleshooting guidance

Selecting high-strength components helps prevent unplanned downtime in construction machinery or heavy-duty transport vehicles. Always verify engine codes to ensure precise fitment for your specific application.

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 21941086.