21218878 Volvo B11R D11A Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining steady flow, it prevents engine overheating and ensures stable thermal management during heavy-duty operations.

Vehicle and engine compatibility

This component is specifically engineered for use in Volvo B11R trucks featuring the D11A engine. It is designed to meet the rigorous demands of heavy commercial vehicle service, providing a reliable alternative for workshop technicians and fleet managers maintaining these high-performance engines.

Installation and maintenance

To ensure proper engine health, technicians should inspect the pump during routine belt service intervals. When replacing this unit, it is recommended to check the condition of all connected hoses and gaskets to maintain a sealed system and prevent future leaks or bearing noise.

Service guidance

Consult your authorized distributor to confirm exact fitment for your specific engine configuration.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21218878.