7421974080 Renault Trucks D Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine block, cylinder head, and radiator. By maintaining consistent flow, it prevents overheating during high engine loads and long-haul operations, which is essential for protecting heavy commercial vehicle engines from thermal damage.

Compatible Renault Trucks models

This specific model is designed for Renault Trucks D series, including the 18 P 380, 18 P 430, 18 T 380, 18 T 430, D430, and D380 models. It provides a reliable solution for maintaining thermal stability in these heavy-duty engines.

Maintenance and inspection

To ensure optimal performance, technicians should inspect the pump during routine belt or timing belt service. Monitoring for signs such as coolant leakage from the weep hole or unusual bearing noise can help prevent sudden engine overheating. Proper installation ensures the impeller and mechanical seal operate effectively under high-pressure conditions.

Troubleshooting guidance

Consult your authorized distributor for compatibility verification and installation guidance.

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 7421974080.