21221878 Volvo FH compatible 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 and the radiator. By maintaining consistent thermal regulation, it prevents engine overheating and ensures the longevity of high-performance diesel engines in heavy-duty applications.

Compatible Volvo truck models

Designed specifically for Volvo FH II, FH, and FH III models, this component is compatible with various engine variants including the 420, 460, 480, 500, and 540 series. It is an essential replacement part for workshop technicians servicing heavy commercial vehicles and fleets requiring precise cooling performance.

Installation and maintenance

To ensure correct fitment during installation, technicians should inspect the pump housing and impeller for any signs of wear or bearing play. It is recommended to replace the pump during scheduled belt service intervals to prevent unexpected downtime due to coolant leaks or mechanical failure.

Selection guidance

Consult your authorized distributor to ensure exact compatibility with 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 21221878.