20997650 Compatible Water Pump — Volvo FM13

What does a water pump do?

A water pump is a centrifugal-type component that continuously circulates coolant between the engine block, cylinder head, radiator, and heater core. This part is essential for maintaining the thermal stability of the engine during long-haul transport or heavy-duty operations.

Vehicle and engine compatibility

This specific water pump is designed for Volvo FM13 trucks featuring the D13C engine. It functions as a vital part of the cooling system, working to prevent overheating by ensuring continuous liquid motion throughout the engine block and radiator components.

Installation and maintenance

To ensure correct fitment, technicians should verify the engine code and inspect the mounting surfaces during installation. It is standard workshop practice to inspect or renew the water pump alongside the timing belt or alternator belt service to prevent future leaks or bearing issues.

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 component is built with high-strength components to withstand the high-load cycles typical of heavy commercial vehicle engines.

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 20997650.