21969187 Volvo FM D13K 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 consistent fluid flow, it prevents overheating and ensures the engine operates within its designed thermal parameters under heavy-duty service conditions.

Vehicle and engine compatibility

This specific component is engineered for compatibility with Volvo FM trucks, specifically models such as the FM 330, FM 450, FM 410, and FM 370 equipped with D13K engines. It provides a reliable replacement for Volvo OEM requirements, ensuring seamless integration into the existing cooling architecture.

Installation and maintenance

For optimal performance and longevity, technicians should inspect the pump during routine belt service. When replacing this unit, it is recommended to check the condition of the drive belts and associated seals to prevent premature wear or secondary leaks in the cooling circuit.

Troubleshooting guidance

Regular monitoring of coolant levels and checking for signs of weeping or unusual noise can help identify potential issues before they lead to engine overheating.

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 21969187.