21969183 Water Pump for Volvo FH and FH II

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for continuously circulating coolant between the engine block and the radiator. By maintaining consistent flow, it prevents engine overheating and ensures stable thermal management during heavy-duty operation. This component is manufactured using high-strength components to withstand the rigorous demands of heavy commercial vehicle engines.

Compatible Volvo engines and models

This water pump is compatible with Volvo FH and Volvo FH II models, including variants such as 380, 420, 460, 500, and 540. It is designed to meet the specific fitment requirements for these heavy commercial vehicle engines to ensure seamless integration into the existing cooling circuit.

Installation and maintenance guidance

For optimal performance, technicians should inspect the pump during routine belt service. Signs of wear include coolant leakage from the weep hole or unusual mechanical noise from the bearing assembly. Replacing the pump alongside the timing or drive belts is recommended to prevent unexpected downtime in fleet operations.

Troubleshooting cooling issues

Ensuring proper coolant levels and checking for leaks at the pump housing can extend the service life of the entire cooling system.

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 21969183.