331.03.0005 Fan Belt Tensioner — Volvo and Renault Trucks

A fan belt tensioner plays a critical role in the engine cooling system by maintaining the precise tension required for the fan belt. By ensuring consistent pressure, this component prevents belt slippage and minimizes vibration during engine operation, which is vital for the longevity of the cooling assembly.

This specific tensioner is engineered for a wide range of heavy commercial vehicles, including Volvo FH, FM, and FMX series, as well as Renault Trucks models like Kerax, Magnum, T-series, and C-series. It is compatible with various engine configurations including D13K, D11K, D11B, and DXi series to ensure reliable performance under heavy loads.

For workshop technicians and fleet managers, regular inspection of the tensioner is essential to prevent overheating or belt failure. When replacing this component, ensure that the mounting surfaces are clean and that the belt alignment is perfectly centered to maintain the integrity of the cooling system.

Check the compatibility list to ensure this part meets your specific vehicle requirements.

OE cross-reference

331.03.0005 (Fan Belt Tensioner Fan) is the equivalent of the Dayco, Renault Trucks and Volvo OE numbers. This part directly replaces Dayco OE numbers APV2383, APV2739. It also replaces Renault Trucks OE numbers 7420487079, 7421479276 and Volvo OE numbers 20487079, 21260406, 21479276.