331.03.0024 Fan Belt Tensioner compatible with Volvo and Renault

What does a fan belt tensioner do?

The fan belt tensioner plays a critical role in the engine cooling system by maintaining the correct tension on the fan belt. This ensures that the cooling fan operates at the required speed to regulate engine temperature effectively. By preventing belt slippage and excessive vibration, this component helps protect other engine components from premature wear caused by irregular tension levels.

Vehicle and engine compatibility

This part is compatible with a wide range of heavy commercial vehicles, including Volvo FH II, FH16 II, FMX II, FM II, and various Volvo B11R models. It is also designed for Renault Trucks models such as the C series, K series, T series, D series, and Kerax, supporting engines like DXi11, DXi13, and DTI13. This component is also fitted to Mack Anthem and Granite trucks.

Maintenance and inspection guidance

To ensure proper operation, technicians should inspect the tensioner during routine cooling system maintenance. Checking for uneven belt wear or unusual noise can help identify a failing tensioner before it causes overheating. Maintaining correct belt alignment is essential for the longevity of the cooling fan assembly.

Troubleshooting and selection

Proper installation ensures that the tensioner maintains stable pressure even under high thermal loads typical of heavy-duty operation. For precise fitment, always verify compatibility with your specific engine model and vehicle series.

OE cross-reference

331.03.0024 (Fan Belt Tensioner Fan) is the equivalent of the Renault Trucks and Volvo OE numbers. This part directly replaces Renault Trucks OE number 7421983651. It also replaces Volvo OE number 21983651.