85013425 Volvo FM FM11 D11B Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for driving the continuous circulation of coolant through the engine block and radiator. By maintaining steady flow rates, it prevents overheating and ensures the engine operates within its designed thermal parameters under heavy-duty conditions.

Vehicle and engine compatibility

The component is specifically engineered for use in Volvo FM series trucks, including the FM 500, FM 380, FM 420, and FM 460 models. Furthermore, it is compatible with Volvo engines featuring the D11B configuration. This ensures precise fitment for fleet managers and technicians maintaining these specific heavy commercial vehicle platforms.

Installation and maintenance

For professional installation, ensure all mounting surfaces are clean and free of debris. Technicians should inspect the drive belt tension and cooling hoses during replacement to prevent premature wear. Proper lubrication of the seal area during assembly helps maintain long-term integrity within the cooling circuit.

Troubleshooting and maintenance

Regular inspection of the water pump can prevent more significant engine issues caused by overheating. Monitoring for coolant leaks or unusual noise around the pulley can help identify the need for replacement before a system failure occurs.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85013425.