21974080 Volvo FH D11K Water Pump

What does a water pump do?

This water pump is a vital component of the engine cooling system, designed to circulate coolant between the engine and the radiator. By maintaining steady flow, it prevents overheating and ensures the engine operates within its thermal limits during demanding transport tasks.

Vehicle and engine compatibility

The unit is specifically engineered for Volvo FH (FH4/FH5) trucks featuring the D11K engine. This ensures precise fitment and reliable performance within the heavy commercial vehicle's cooling circuit. Check the compatibility list to verify your specific requirements.

Maintenance and installation guidance

For optimal performance, technicians should inspect the pump during routine belt services. It is recommended to check for signs of coolant leakage from the weep hole or unusual noise from the bearing during regular maintenance intervals to prevent system failure.

Troubleshooting and selection

Selecting a high-strength component helps maintain system integrity and prevents costly downtime in fleet operations.

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 21974080.