20734268 Compatible Water Pump — Volvo VNL D12

What does a water pump do?

The water pump is a vital component of the engine cooling system, responsible for circulating coolant between the engine block and the radiator. This centrifugal-type pump ensures that heat is effectively managed during high-load operation, preventing engine overheating in heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is designed to fit Volvo VNL trucks equipped with the D12 engine. It serves as a reliable replacement for the original equipment, maintaining precise flow rates and pressure levels required for the engine's thermal management system.

Maintenance and inspection

To ensure proper function, technicians should inspect the pump during routine belt service. Monitoring for signs such as coolant leaks from the weep hole or unusual bearing noise can help prevent sudden engine failure. It is recommended to check compatibility with your specific engine code before installation.

Troubleshooting and selection

For professional fleet maintenance, selecting a component that meets strict machining tolerances and seal requirements is essential for long-term reliability.

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 20734268.