21941086 Volvo FM D11K Water Pump

What does a water pump do?

This water pump serves as a vital component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining consistent flow, it prevents thermal instability and protects engine components under heavy-duty operating conditions.

Vehicle and engine compatibility

This specific unit is designed to fit Volvo FM trucks equipped with D11K engines. It serves as a reliable replacement for original equipment to maintain optimal thermal management in heavy commercial vehicle fleets.

Installation and maintenance

When performing maintenance, technicians should inspect the pump housing and impeller for signs of wear. It is recommended to check the belt tension and inspect the mounting surfaces during installation to ensure a leak-free seal within the cooling circuit.

Troubleshooting guidance

Regular monitoring of coolant levels and checking for leaks around the pump housing can help prevent sudden engine overheating issues.

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.