21960479 Volvo FM D11B Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant to prevent overheating. It is engineered to maintain precise flow rates even under high-temperature operating conditions, ensuring engine stability during heavy-duty transport tasks.

Compatible vehicles and engines

This component is specifically designed for Volvo FM series trucks, including the FM 500, FM 380, FM 420, and FM 460 models. It is also compatible with Volvo FM11 engines featuring the D11B engine designation. This ensures precise fitment for heavy commercial vehicle fleets requiring reliable cooling performance.

Installation and maintenance

For optimal performance, technicians should inspect the pump and all connecting hoses during every routine coolant flush. Proper installation requires verifying that all mounting surfaces are clean and that the seals are seated correctly to prevent leaks within the pressurized cooling circuit.

Troubleshooting and maintenance

Regular monitoring of coolant levels and temperature gauges can help identify early signs of pump wear. Maintaining the integrity of this component is vital for preventing catastrophic engine failure in heavy commercial vehicle applications.

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 21960479.