331.07.0003 Fan Belt Tensioner for Renault Trucks

What does a fan belt tensioner do?

This fan belt tensioner plays a critical role in the cooling system of heavy commercial vehicles by maintaining the correct tension on the fan belt. By providing constant, balanced pressure, it prevents belt slippage and ensures the fan operates at its designed speed, which is vital for engine temperature regulation.

Compatible Renault Trucks models

This component is specifically compatible with Renault Trucks KERAX and PREMIUM models, including various variants such as the 420.26, 370.18, and 320.18 series. It serves as a reliable replacement for components in these high-mileage applications.

Installation and maintenance

For successful installation, technicians should inspect the mounting points and ensure the pulley is aligned correctly with the belt path. It is recommended to check the tensioner arm and bearing during every cooling system service to prevent premature wear or overheating.

Preventative maintenance

Regular inspection of the tensioner helps avoid sudden belt failure, protecting the engine from overheating during heavy-duty operations. Check the compatibility list.

OE cross-reference

331.07.0003 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Renault Trucks OE numbers. This part directly replaces Dayco OE number APV2393. It also replaces Renault Trucks OE numbers 5010359895, 5010412956.