331.04.0004 Fan Belt Tensioner for Scania Trucks

The fan belt tensioner is a critical component within the engine cooling system of heavy commercial vehicles. It maintains the correct tension on the belt driving the fan, preventing slippage and ensuring the fan rotates at its designed speed to manage engine temperatures effectively. By automatically taking up slack caused by heat and mileage, this unit protects the entire drive assembly.

This component is engineered for a wide range of Scania models, including the R series (R360 to R580), G series, P series, and K series. It is also suitable for Scania Omni models like Omnilink, Omniexpress, and Omnicity, as well as Interlink and Citywide applications. The unit is compatible with various engine types such as DC 13, DC 16, DC 09, DC 07, and DC 9 engines.

For workshop technicians and fleet managers, maintaining the tensioner is vital for preventing overheating or belt failure. When replacing this part, ensure that the mounting surfaces are clean and that the belt profile matches the pulley design. Proper installation ensures consistent tensioning even under high-torque operating conditions.

Consult your authorized distributor to check the compatibility list for your specific engine configuration.

OE cross-reference

331.04.0004 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV2733. It also replaces Scania OE numbers 1779750, 1870551, 2191989, 2334403.