331.04.0003 Fan Belt Tensioner for Scania Vehicles

What does a fan belt tensioner do?

The fan belt tensioner is a critical spring-loaded component within the cooling system of heavy commercial vehicles. Its primary role is to maintain the correct tension on the belt driving the fan, automatically compensating for any slack caused by heat or mileage. This ensures the fan operates at its designed speed, which is vital for maintaining stable engine temperatures in trucks, buses, and construction machinery.

Compatible Scania models and engines

This component is specifically engineered for a wide range of Scania models, including the R series, Citywide, Interlink, and various Irizar chassis. It is compatible with Scania engines such as the DC 13, DC 09, and DT 12. Additionally, it fits Scania bus applications like the N-series and Omnilink models to ensure reliable cooling performance across diverse fleet operations.

Installation and maintenance guidance

For professional workshop technicians and fleet managers, selecting the correct tensioner is essential for preventing belt slip or premature wear. When replacing this unit, it is recommended to inspect the pulley and belt integrity to ensure optimal system interplay. Maintaining this component helps prevent overheating issues during high-load operations.

Ensuring system reliability

Check the compatibility list to confirm fitment for your specific Scania engine and model configuration.

OE cross-reference

331.04.0003 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV1052. It also replaces Scania OE numbers 1438743, 1503115, 1545984, 1774653, 1859656, 2197004, 503115, 545984.