21781059 Compatible Water Pump — Volvo B13R

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. Built with high-strength components, it is engineered to withstand the rigorous thermal and mechanical stresses found in heavy commercial vehicle engines.

Compatible vehicles and engines

This specific unit is engineered for Volvo B13R models equipped with D13K engines. It provides a reliable solution for maintaining thermal stability in heavy-duty applications. The part is designed to meet strict technical requirements for seamless integration into the existing cooling circuit.

Installation and maintenance

When performing maintenance, technicians should inspect the pump housing and impeller for any signs of wear or leakage. It is recommended to check the pump alongside the timing belt or alternator belt service to prevent unexpected downtime. Ensure all seals are properly seated during installation to maintain system pressure.

Troubleshooting guidance

Consult your authorized distributor.

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 21781059.