20431137 Water Pump for Volvo FM12 Trucks

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining constant fluid movement, it prevents engine overheating and ensures stable thermal management during heavy-duty operation.

This component is specifically designed to fit Volvo FM12 series trucks, including various configurations such as the FM 12/460, FM 12/380, FM 12/340, and FM 12/420. It is also compatible with the FM 12H/420, FM 12H/380, and FM 12H/340 variants, ensuring precise fitment for these specific heavy commercial vehicle engines.

Technicians should inspect the pump during routine cooling system maintenance. Key indicators for replacement include coolant leakage from the weep hole or unusual bearing noise. When performing belt service, it is recommended to check the condition of this pump to prevent unexpected downtime.

Regular inspection of the cooling circuit helps maintain system integrity. For optimal performance in heavy-duty applications, ensure all mounting surfaces are clean during installation.

Check the compatibility list.

OE cross-reference

525.03.0003 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20431137.