7421974078 Renault Trucks D Water Pump

What does a water pump do?

This water pump functions as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent flow, it prevents overheating and protects the engine from thermal stress during heavy-duty operations.

Compatible Renault Trucks D models

This specific component is designed for compatibility with Renault Trucks D series, including models such as the 18 P 380, 18 P 430, 18 T 380, 18 T 430, D430, and D380. It is an essential replacement part for maintaining the thermal stability of these heavy commercial vehicle engines.

Maintenance and inspection guidance

To ensure proper operation, technicians should inspect the pump during routine belt or timing belt service. Common indicators for replacement include coolant leakage from the weep hole or unusual bearing noise. Regular inspection helps prevent sudden engine overheating caused by impeller wear or seal failure.

Troubleshooting and replacement

Consult your authorized distributor to ensure exact fitment for your specific engine configuration.

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 7421974078.