20431151 Volvo FH12 D12C Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, specifically engineered to manage thermal stability under heavy-duty operating conditions. By circulating coolant between the engine block and the radiator, it prevents overheating and ensures consistent performance during long service hours in heavy commercial vehicles.

Compatible Volvo FH12 engines

This part is specifically compatible with Volvo FH12 trucks, including variants such as the FH 12/340, FH 12/380, FH 12/420, FH 12/500, FH 12/460, FH 12/390, and FH 12/430 featuring the D12C engine. It is built to meet the high-load requirements of these specific tractor units.

Installation and maintenance

For professional installation, technicians should inspect the drive belt and mounting surfaces during replacement. Ensuring the cooling system is free of debris and checking the mechanical seal integrity during installation helps prevent future leaks or bearing play. Always verify the engine code to ensure a precise fit.

Troubleshooting and inspection

Maintaining a consistent coolant level and monitoring for signs of leakage or unusual noise can help identify potential issues before they lead to engine overheating.

OE cross-reference

525.03.0003 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20431151.