21469157 Volvo FM FMX Water Pump

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. Built with high-strength components, it is designed to withstand the demanding thermal and mechanical stresses encountered in heavy commercial vehicle operations.

Compatible Volvo truck models

This component is specifically engineered for compatibility with Volvo FM models, including the FM 300, 340, 360, 380, 390, 400, 430, 440, and 480 variants. It is also fitted to Volvo FMX II and FMX III series trucks, covering various engine configurations such as the 330, 370, 420, 460, and 540 models.

Installation and maintenance

For optimal performance, technicians should inspect the pump during routine cooling system service. It is recommended to check for signs of coolant leakage or bearing noise during belt replacements. Ensuring a proper seal during installation helps prevent pressure loss within the cooling circuit.

Troubleshooting and selection

Maintaining a consistent flow rate is essential for preventing engine overheating in construction and heavy transport environments. Check the compatibility list for your specific engine configuration.

OE cross-reference

525.03.0020 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21469157.