7421812242 Renault Trucks D Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for continuously circulating coolant between the engine block and the radiator. By maintaining consistent fluid flow, it prevents engine overheating and ensures the thermal stability required for heavy commercial vehicle operations.

Vehicle and engine compatibility

This specific component is compatible with Renault Trucks D series vehicles, including the 18 P 380, 18 P 430, 18 T 380, 18 T 430, D430, and D380 models. It is engineered to meet the rigorous demands of heavy-duty truck engines, providing high-flow performance even under high engine loads.

Installation and maintenance

For professional technicians and fleet managers, it is recommended to inspect the pump during routine belt or cooling system service. Monitoring for signs such as coolant leakage from the weep hole or unusual bearing noise can prevent significant engine damage. Always ensure correct installation to maintain system pressure.

Troubleshooting and selection

Choosing a high-strength component ensures that the cooling cycle remains uninterrupted during long-haul transport or intensive construction machinery use.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Renault Trucks OE number. This part directly replaces Renault Trucks OE number 7421812242.