21974078 Volvo FMX D13K Cooling System Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining consistent flow, it prevents overheating and ensures the thermal stability of the heavy-duty engine during intensive operation.

Compatible Volvo models and engines

This specific part is designed for Volvo FMX 370, 410, 430, 450, and 330 models equipped with D13K engines. It is also compatible with various Volvo FM series trucks, including the FM 330, 370, 410, and 450 models. These components are essential for maintaining the reliability of construction machinery and tractor units.

Installation and maintenance guidance

When performing maintenance, technicians should inspect the pump housing and mechanical seals for any signs of coolant leakage or bearing noise. It is recommended to replace the water pump during scheduled belt or timing belt services to prevent unexpected downtime in the field.

Engine compatibility

VADEN ORIGINAL water pumps are available for a wide range of Mercedes-Benz, MAN, Scania, Volvo, DAF, Iveco, Renault, BMC and Ford heavy-duty truck, tractor unit, bus and construction machinery engines.

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 21974078.