3803909 Volvo FH12 Water Pump Equivalent

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining precise temperature regulation, it protects the engine from overheating during high-load operations. Built with heavy-duty grade materials, this component is designed to withstand significant thermal stress and vibration common in heavy commercial vehicle environments.

Vehicle and engine compatibility

This specific unit is compatible with Volvo FH12 models, 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. It is specifically tailored for use with the D12D engine series to ensure seamless integration and reliable performance under demanding service conditions.

Installation and maintenance

For workshop technicians, it is recommended to inspect the pump during routine cooling system maintenance. When replacing the unit, it is best practice to check the condition of associated belts and seals to prevent premature wear. Ensuring a clean mounting surface helps maintain the integrity of the mechanical seal during installation.

Troubleshooting and inspection

Monitoring for signs such as coolant leakage from the weep hole or unusual bearing noise can help prevent sudden engine failure. Choosing a high-strength component ensures long-term reliability for your fleet.

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 3803909.