331.03.0001 Renault and Volvo Fan Belt Tensioner equivalent

The fan belt tensioner is a critical component in the engine cooling system of heavy commercial vehicles. It serves as a spring-loaded unit that maintains the correct tension on the belt driving the fan. By automatically compensating for belt stretch caused by heat and mileage, it prevents slipping and ensures the fan rotates at its designed speed to regulate engine temperature.

This component is compatible with a wide range of heavy-duty vehicles, including Volvo FH12, FM12, NH12, and various Renault Trucks models such as Premium, Magnum, and Kerax. It is also suitable for Volvo engines including D12A, D12C, D12D, and DXi series, ensuring reliable performance across diverse fleet applications.

For optimal performance, technicians should inspect the tensioner during routine cooling system maintenance. Check for excessive vibration or irregular belt wear which may indicate a failing spring or bearing. Replacing the unit according to manufacturer service intervals helps prevent overheating and ensures the integrity of the entire engine cooling assembly.

Check the compatibility list.

OE cross-reference

331.03.0001 (Fan Belt Tensioner Fan) is the equivalent of the Dayco, Renault Trucks and Volvo OE numbers. This part directly replaces Dayco OE number APV1067. It also replaces Renault Trucks OE numbers 5010550335, 7403979980, 7421257889 and Volvo OE numbers 21257889, 3979980, 8149879.