331.03.0008 Fan Belt Tensioner for Volvo and Renault Trucks

What does a fan belt tensioner do?

This fan belt tensioner plays a critical role in the engine cooling system by maintaining precise tension on the drive belts. By providing consistent pressure, it prevents belt slippage and reduces vibration within the cooling assembly, which is essential for the longevity of the fan and water pump components.

Vehicle and engine compatibility

This component is engineered for heavy commercial vehicles, including Volvo models such as FH16, FMX, FH12, FM12, FM, FM9, FH13, FH16 III, FM10, FM11, FM13, NH12, VHD, VNL, B11R, B13R, and TAD1341-1345VE. It is also compatible with Mack Granite and Mack Pinnacle engines. Additionally, it serves Renault Trucks models including Kerax, Magnum, and Premium.

Maintenance and installation

To ensure reliable operation, technicians should inspect the tensioner during routine cooling system maintenance. Proper installation is vital to prevent uneven belt wear or engine overheating. When replacing this unit, verify that the mounting points and belt path align perfectly with the original equipment specifications.

System reliability

Maintaining correct belt tension helps prevent sudden failures in high-temperature environments. Always consult your authorized distributor to confirm exact fitment for your specific engine model.

OE cross-reference

331.03.0008 (Fan Belt Tensioner Fan) is the equivalent of the Dayco, Renault Trucks and Volvo OE numbers. This part directly replaces Dayco OE number APV2400. It also replaces Renault Trucks OE numbers 7421404578, 7421422767 and Volvo OE numbers 20762060, 20935523, 20966526, 21404578, 21422767, 8149855.