20431135 Volvo D12 Compatible Water Pump

What does a water pump do?

This water pump serves as a vital component within the engine cooling system, responsible for the continuous circulation of coolant between the engine block and the radiator. Designed to withstand the high-temperature and high-vibration environments typical of heavy commercial vehicle engines, it ensures thermal stability during long service hours.

Vehicle and engine compatibility

This specific unit is designed for Volvo VNL trucks featuring the D12 engine. It functions as a reliable replacement to maintain precise coolant flow, helping to prevent overheating in heavy-duty applications. It is also compatible with other heavy commercial vehicle engines requiring similar specifications.

Maintenance and inspection

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 leakage from the weep hole or unusual bearing noise to ensure the integrity of the cooling circuit.

Troubleshooting guidance

Consult your authorized distributor for precise fitment verification and to ensure this component meets your specific engine requirements.

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 20431135.