20997647 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 block and the radiator. By maintaining continuous flow, it prevents overheating and ensures the engine operates within its designed thermal range, even under heavy-duty service conditions.

Vehicle and engine compatibility

This component is specifically designed for Volvo FM trucks equipped with D13K engines. It functions as a centrifugal-type pump that takes motion from the crankshaft to drive the internal impeller. The unit is compatible with Volvo OEM specifications to ensure correct fitment and performance in heavy commercial vehicle applications.

Installation and maintenance

Technicians should inspect this part during routine belt or timing belt service intervals. When replacing a water pump, it is recommended to check the condition of the mounting surfaces and seals to prevent future leaks. Proper installation ensures that the impeller maintains stable flow rates throughout the cooling cycle.

Troubleshooting and inspection

Monitoring for symptoms such as coolant leaks from the weep hole or unusual bearing noise can help identify potential failure before it leads to engine overheating. This part is a reliable solution for maintaining fleet uptime in heavy-duty trucks.

OE cross-reference

525.03.0013 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20997647.