21781059 Volvo FM Water Pump

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. By maintaining consistent flow, it prevents overheating and ensures the engine operates within its designed thermal range, which is vital for long-term reliability in heavy commercial vehicles.

This component is designed to fit Volvo FM models, including the FM 330, FM 450, FM 410, and FM 370. It serves as a reliable replacement to maintain peak performance in these specific truck series.

When inspecting the cooling system, technicians should check for signs of wear such as coolant leaks from the weep hole or unusual bearing noise. For optimal maintenance, it is recommended to inspect the pump during routine timing belt or alternator belt service intervals to prevent unexpected downtime.

Consult your authorized distributor to ensure precise fitment for your specific engine configuration.

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 21781059.