20538845 Volvo FH 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 flow, it prevents overheating and ensures the engine operates within its ideal temperature range during heavy-duty service cycles.

Compatible Volvo FH vehicles

This component is specifically designed for Volvo FH models, including the 400, 440, 480, 500, and 520 variants, as well as Volvo FH16 engines equipped with the D16G engine code. It is built to withstand the high-temperature and high-vibration environments typical of heavy commercial vehicle operations.

Installation and maintenance

When performing engine maintenance, it is recommended to inspect the pump alongside the timing belt or alternator belt service. Technicians should check for signs of leakage from the weep hole or unusual bearing noise to prevent potential engine damage. Proper installation ensures long-term reliability in demanding fleet applications.

Troubleshooting guidance

For accurate fitment, always verify compatibility with the specific engine code and chassis details of the vehicle. Check the compatibility list to ensure this part meets your requirements.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20538845.