20538845 Water Pump for Volvo FH Series

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine block and the radiator. By maintaining constant fluid movement, it prevents overheating and ensures the engine operates within its ideal temperature range, which is vital for preventing serious engine damage under high loads.

Compatible Volvo vehicles and engines

This component is specifically designed to fit Volvo FH models, including variants such as the 440, 520, 480, 400, and 500. It is also compatible with Volvo FH13 engines featuring the D13A designation. These parts are engineered to meet the rigorous demands of heavy commercial vehicle operations.

Installation and maintenance

When performing engine maintenance, it is recommended to inspect the water pump alongside the timing belt or alternator belt service. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise during routine inspections to ensure system integrity.

System reliability

Maintaining a functional cooling system is essential for the longevity of heavy-duty truck engines. Using high-strength components helps prevent overheating during long-haul transport or intensive construction machinery use.

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.