20921917 Volvo FMX III 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 steady flow, it prevents overheating and ensures the engine operates within its designed thermal range under heavy-duty service conditions.

Compatible Volvo vehicles

This component is specifically compatible with Volvo FMX III models including 330, 370, 380, 410, 430, 450, and 460 variants. It is also fitted to Volvo FM series trucks such as the FM 330, FM 370, FM 410, and FM 450. Additionally, it supports Volvo FMX and FMX II engine configurations to ensure reliable performance in construction and transport applications.

Maintenance and inspection

For optimal maintenance, technicians should inspect the pump for signs of coolant leakage or bearing noise during routine service intervals. When replacing the water pump, it is recommended to inspect associated belts and gaskets to ensure complete system integrity.

System reliability

Maintaining a stable cooling cycle is essential for preventing engine damage in heavy commercial vehicles. Always consult your authorized distributor to confirm exact fitment for your specific engine serial number.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20921917.