21814005 Volvo FH Water Pump

What does a water pump do?

This water pump is a critical component within the engine cooling system, designed to circulate coolant between the engine and the radiator. It ensures that the engine operates within its designed thermal range, preventing overheating during intensive heavy-duty operations. Built with high-strength components, it provides reliable performance for demanding transport tasks.

Vehicle and engine compatibility

This specific unit is engineered for Volvo FH trucks, covering various models including the 400, 420, 440, 460, 480, 500, 520, and 540 series. It is an ideal replacement for maintaining engine thermal stability in these heavy commercial vehicles.

Installation and maintenance

Technicians should inspect the pump during routine cooling system maintenance or when replacing belts. It is recommended to check for signs of leakage from the weep hole or unusual bearing noise during scheduled service intervals to prevent unexpected downtime.

Troubleshooting and selection

For optimal engine longevity, ensure the pump is installed according to manufacturer specifications and check all connections within the cooling circuit.

OE cross-reference

525.03.0008 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21814005.