21296100 Volvo FMX D13C Compatible Water Pump

What does a water pump do?

The water pump is a critical component within the engine cooling system, responsible for continuously circulating coolant between the engine block and the radiator. In heavy commercial vehicle engines, this centrifugal-type pump ensures that thermal loads are managed effectively to prevent overheating during intensive operations.

Vehicle and engine compatibility

This specific model is designed for Volvo FMX and FM series trucks, specifically compatible with the D13C engine. It is an essential fitment for Volvo FM models including FM 390, FM 440, FM 360, FM 480, FM 400, FM 430, FM 300, FM 340, and FM 380, as well as Volvo FMX 400, 440, and 480 variants. Consult your authorized distributor.

Installation and maintenance

To ensure proper performance, technicians should inspect the pump during routine belt service. Common failure indicators include coolant leaks from the weep hole or unusual noise from the bearing assembly. When replacing the unit, it is recommended to inspect associated components like the thermostat and hoses to maintain system integrity.

Troubleshooting and selection

Maintaining a reliable cooling circuit is vital for engine longevity in heavy-duty trucks and construction machinery. Selecting a high-strength component ensures the impeller and mechanical seals withstand high-pressure environments.

OE cross-reference

525.03.0022 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21296100.