21941086 Volvo FMX D13K 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 and the radiator. By maintaining steady flow, it prevents overheating and ensures thermal stability for high-performance diesel engines under heavy loads.

Compatible vehicles and engines

This component is specifically fitted to Volvo FMX trucks with D13K engines, including variants such as the 380, 420, 460, and 500. It is also compatible with various Volvo FM models, ensuring reliable performance across different heavy commercial vehicle configurations.

Installation and maintenance

When performing routine maintenance, it is recommended to inspect the pump and its seals alongside the timing belt or alternator belt service. Technicians should check for signs of coolant leakage or unusual bearing noise to ensure the longevity of the cooling circuit.

Troubleshooting and service

Maintaining a functional water pump is vital for preventing engine overheating and potential thermal damage in construction machinery and heavy-duty trucks.

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 21941086.