331.04.0005 Fan Belt Tensioner for Scania Trucks

This fan belt tensioner is a critical mechanical component within the cooling system of heavy commercial vehicles. It works by applying constant, balanced pressure to the belt, ensuring the fan rotates at its designed speed without slipping. By automatically compensating for belt stretch caused by heat and mileage, this unit helps maintain precise engine temperature regulation in demanding environments.

This component is specifically fitted to Scania R series (R360 to R490), Scania P series (P360 to P550), and Scania G series (G360 to G490) trucks equipped with DC 13 engines. It serves as a reliable replacement for original components in various heavy-duty applications, ensuring the fan belt remains properly seated and tensioned during high-torque operations.

For optimal performance, technicians should inspect the tensioner arm and pulley for signs of excessive vibration or irregular belt flutter. When replacing the unit, ensure all mounting surfaces are clean and follow the manufacturer's torque specifications to maintain correct spring preload. Regular inspection of the tensioner prevents premature belt wear and potential overheating issues in the cooling circuit.

Check the compatibility list.

OE cross-reference

331.04.0005 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV2732. It also replaces Scania OE numbers 1779751, 1870552, 2191990, 2197390.