21941086 Water Pump for Volvo FH (FH4/FH5) D13K

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. It is engineered to withstand high temperatures and continuous vibration, ensuring the engine remains within its thermal operating range during heavy commercial vehicle service.

Vehicle and engine compatibility

This component is specifically designed for Volvo FH (FH4/FH5) models, including variants 420, 460, 500, and 540. It is compatible with Volvo D13K engines, providing a reliable solution for maintaining engine thermal stability in tractor units and heavy trucks.

Maintenance and inspection

When performing maintenance, it is recommended to inspect the pump and its associated seals during timing belt or alternator belt service intervals. Technicians should check for signs of leakage from the weep hole or unusual bearing noise to prevent overheating.

Troubleshooting guidance

VADEN ORIGINAL parts are manufactured to meet strict industrial standards for durability and fitment.

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.