331.04.0016 Fan Belt Tensioner for Scania Trucks

The fan belt tensioner is a critical component within the cooling system of heavy commercial vehicles. It maintains the driving belt at the required tension to ensure the fan rotates at its designed speed. By automatically compensating for belt stretch caused by thermal expansion and mileage, this unit prevents slippage and ensures consistent engine temperature regulation.

This component is designed for wide-ranging Scania applications, fitting models such as the P series, G series, R series, S series, L series, and K series. It is compatible with various engine configurations including DC 09, DC 13, OC 09, and OC 13 engines. The unit is also suitable for Scania bus models like OMNIEXPRESS, CITYWIDE, and OMNILINK to ensure reliable operation.

For professional installation and maintenance, technicians should verify the mounting geometry and pulley profile against the specific vehicle requirements. Regular inspection of the tensioner arm and bearing is recommended to prevent premature belt wear or cooling failure. Always ensure the mounting torque matches the manufacturer's specifications during replacement.

Maintaining proper belt tension is essential for preventing overheating in heavy-duty trucks and buses. Using high-strength components helps ensure long-term stability under extreme engine bay temperatures.

Check the compatibility list.

OE cross-reference

331.04.0016 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV2729. It also replaces Scania OE numbers 1779757, 1870553, 2192038, 2197391.