21812242 Volvo FH16 D16G Cooling System Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. In heavy commercial vehicle engines, this part maintains optimal operating temperatures to prevent overheating during long service hours.

Vehicle and engine compatibility

This specific model is designed to fit Volvo FH16 trucks featuring the D16G engine. It functions as a reliable replacement for the original component, maintaining the precise performance required for heavy-duty commercial applications.

Maintenance and installation

When performing maintenance, technicians should inspect the pump for signs of coolant leakage or unusual noise. It is often recommended to replace the water pump during routine timing belt or alternator belt service intervals to ensure system integrity.

Troubleshooting guidance

For optimal performance, ensure all mounting surfaces are clean and torque specifications are strictly followed during installation.

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 21812242.