331.07.0002 Renault Trucks Compatible Fan Belt Tensioner

What does a fan belt tensioner do?

This fan belt tensioner is a critical mechanical component within the cooling system of heavy commercial vehicles. It maintains the correct tension for the belt driving the fan, ensuring that torque is transmitted without slipping. By using high-strength components, this unit effectively manages the belt's movement to prevent overheating and ensure reliable engine cooling under demanding conditions.

Compatible vehicles and engines

This part is specifically compatible with Renault Trucks KERAX (including 420.26, 420.32, and 370.18 variants) and Renault Trucks PREMIUM (including Distribution and Route series). It is also fitted to other heavy commercial vehicle applications requiring precise tensioning. Check the compatibility list.

Installation and maintenance

To ensure proper function, technicians should inspect the tensioner during routine cooling system maintenance. Monitor for signs of irregular belt vibration or unusual noise from the pulley assembly. When replacing, ensure the mounting surfaces are clean to maintain correct alignment and preload.

Troubleshooting and selection

Maintaining a functional tensioner prevents premature wear on the fan belt and ensures the cooling fan operates at its designed speed, protecting the engine from thermal stress.

OE cross-reference

331.07.0002 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Renault Trucks OE numbers. This part directly replaces Dayco OE number APV2395. It also replaces Renault Trucks OE numbers 5001859386, 5010412957, 5010477863.