21941086 Volvo FMX D13C Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. Designed for heavy-duty applications, it helps maintain optimal engine temperatures during demanding operation cycles, preventing overheating in heavy commercial vehicle engines.

Vehicle and engine compatibility

This specific unit is engineered for Volvo FMX trucks equipped with D13C engines. It functions as a reliable replacement to maintain thermal stability within the engine block and cylinder head, supporting the performance of tractor units and construction machinery alike.

Installation and maintenance

For professional installation, technicians should inspect the belt tension and inspect the mounting surfaces. It is recommended to check the mechanical seal and gaskets during service to prevent potential leaks. Replacing this component during routine belt service can prevent unplanned downtime in fleet operations.

Troubleshooting and inspection

Monitoring for symptoms such as coolant leaks or unusual noise from the bearing assembly can help identify when a replacement is necessary to maintain system integrity.

OE cross-reference

525.03.0016 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21941086.