21648712 Volvo FMX D11K Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. Built with high-strength components, it is designed to withstand the rigorous thermal cycles and mechanical stresses typical of heavy-duty commercial vehicle operations.

Vehicle and engine compatibility

This specific model is compatible with Volvo FMX 370, 410, 430, 450, and 330 models equipped with D11K engines. It also serves Volvo FM 330, 370, 410, and 450 series trucks. This part is engineered to meet the exacting requirements of Volvo OE specifications.

Installation and maintenance

For optimal performance, technicians should inspect the pump during every belt service interval. Common indicators for replacement include coolant leakage from the weep hole or unusual bearing noise. Ensure proper mounting and gasket sealing during installation to prevent pressure loss within the cooling circuit.

Troubleshooting and replacement

Maintaining a reliable cooling system is vital for preventing engine overheating in construction machinery and tractor units.

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 21648712.