21648708 Volvo FMX D11K Water Pump

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining steady flow, it prevents overheating and ensures the engine operates within its designed thermal range even under heavy loads.

This part is specifically designed for use in Volvo FMX models with D11K engines, including variants 380, 420, 460, and 500. It is also compatible with various Volvo FM series trucks such as the FM 380, FM 420, FM 460, and FM 500. This component ensures reliable performance across these heavy commercial vehicle applications.

For optimal engine longevity, technicians should inspect the pump during routine cooling system maintenance. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise during belt service intervals. Ensuring proper mounting and belt tension is vital for preventing premature wear of the impeller and shaft.

Maintaining a stable cooling cycle is essential for preventing thermal stress in heavy-duty engines. Consult your authorized distributor.

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 21648708.