21648908 Volvo B11R D11A 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 and the radiator. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operations.

Vehicle and engine compatibility

This specific unit is engineered for Volvo B11R vehicles equipped with D11A engines. It provides a reliable replacement to maintain engine temperature stability during long-haul transport or intensive duty cycles. Check the compatibility list.

Installation and maintenance

To ensure optimal performance, technicians should inspect the pump and associated belts during routine maintenance. Signs such as coolant leakage from the weep hole or unusual bearing noise may indicate the need for replacement. Always verify the engine code before installation.

Troubleshooting guidance

Proper installation ensures the mechanical seal and impeller function correctly within the cooling circuit, preventing overheating and protecting critical engine components.

OE cross-reference

525.03.0016 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21648908.