7421974078 Renault Trucks KERAX Water Pump

What does a water pump do?

This water pump serves 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 thermal management, it prevents engine overheating and supports stable operating temperatures during heavy-duty service cycles.

Vehicle compatibility and fitment

This component is specifically engineered for Renault Trucks KERAX models including the 460.42, 430.35, and 380.26 variants, as well as Renault Trucks K series such as the K460, K430, and K380. It is designed to meet the rigorous demands of heavy commercial vehicle engines, ensuring reliable performance across various configurations.

Installation and maintenance guidance

During routine maintenance, technicians should inspect the pump for signs of coolant leakage or unusual bearing noise. It is recommended to check the integrity of the seals and mounting surfaces during belt replacement services to ensure a secure fitment and prevent future system failures.

Troubleshooting tips

Regular inspection of the cooling circuit helps in identifying early signs of wear before they lead to significant engine temperature fluctuations.

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.