21218878 Volvo FH Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining a steady flow, it prevents overheating and ensures the engine operates within its ideal thermal range, even under heavy commercial vehicle loads.

Compatible Volvo truck models

This part is specifically compatible with Volvo FH series models including the 440, 520, 480, 400, and 500 variants. It is also suitable for Volvo FH16 II models such as the FH 16/750, FH 16/540, FH 16/550, FH 16/600, FH 16/700, FH 16/650, and FH 16/610. These components are essential for maintaining engine longevity in long-haul applications.

Installation and maintenance guidance

To ensure proper installation, technicians should inspect the drive belt and seals during replacement. It is recommended to check for signs of leakage from the weep hole or unusual bearing noise during routine maintenance intervals to prevent sudden engine overheating.

Troubleshooting and replacement

Consult your authorized distributor to confirm precise fitment for your specific engine configuration.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21218878.