20921947 Volvo FMX D11B Water Pump

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 consistent flow, it prevents overheating and ensures the engine operates within its optimal temperature range during heavy-duty operation.

This specific model is compatible with Volvo FMX trucks, particularly those equipped with D11B engines, including variants such as the 330, 370, 410, 430, and 450. It is also designed to fit various Volvo FM series models like the FM 330, FM 370, FM 410, and FM 450.

To ensure long-term reliability, technicians should inspect the pump during routine cooling system maintenance. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise is recommended. It is often advisable to replace the pump alongside the belt service to prevent unexpected downtime.

Consult your authorized distributor.

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 20921947.