20451516 Volvo FH16 III 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 ensures that heavy-duty engines operate at their ideal thermal range, preventing overheating during long-haul transport or high-load operations. The unit is constructed from high-strength components to withstand continuous mechanical stress.

Vehicle and engine compatibility

This specific model is compatible with Volvo FH, FH16 II, and FH16 III series trucks, including various engine configurations such as the 440, 520, 480, 400, 500, 550, 750, and 650 variants. It is engineered to meet the rigorous demands of the heavy commercial vehicle sector.

Installation and maintenance guidance

For professional technicians, it is recommended to inspect the pump during routine cooling system maintenance. When replacing this component, it is best practice to check the condition of the drive belts and gaskets to ensure a leak-free installation and prevent future service interruptions.

Troubleshooting and failure signs

Regular monitoring of the weep hole for signs of leakage or listening for unusual bearing noise can help identify potential failures before they lead to engine damage.

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 20451516.