21814036 Volvo FMX D11B Cooling System Water Pump

What does a water pump do?

This water pump is a vital component of the engine cooling system, designed to circulate coolant between the engine and the radiator. It ensures that the engine operates within safe temperature ranges, preventing overheating during heavy-duty operations in construction or long-haul transport.

Compatible vehicles and engines

This specific model is compatible with Volvo FMX models (380, 420, 460, 500) featuring the D11B engine, as well as various Volvo FM series configurations including the FM 380, FM 420, FM 460, and FM 500. It provides reliable performance for these heavy commercial vehicle applications.

Installation and maintenance

Maintenance professionals should inspect the pump during scheduled belt services. When replacing this component, it is recommended to check the integrity of the drive belts and seals to ensure long-term system reliability. Proper installation is essential to prevent coolant leaks or bearing play.

Troubleshooting and guidance

Monitoring for signs such as coolant weeping or unusual noise can help identify potential failure before it impacts engine performance. Consult your authorized distributor to ensure correct fitment for your specific engine configuration.

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 21814036.