332.03.0005 Volvo Renault Mack Fan Tension Roller

What does a fan tension roller do?

This fan tension roller plays a critical role in maintaining proper belt tension within the engine cooling system. By ensuring consistent pressure on the fan belt, it prevents slippage and maintains optimal airflow through the radiator, which is vital for preventing engine overheating during heavy-duty operation.

Vehicle and engine compatibility

The component is engineered to fit a wide range of heavy commercial vehicles, including Volvo models such as FH, FM, FMX, VHD, and VNL. It is also compatible with Renault Trucks series like the T, K, C, Premium, and Magnum. Additionally, it serves Mack trucks including the Anthem, Granite, and Pinnacle models with MP7 and MP8 engines.

Maintenance and installation guidance

For workshop technicians performing cooling system maintenance, it is essential to inspect the roller for smooth rotation and correct alignment. Ensuring the tensioner functions correctly helps protect other belt-driven components from premature wear caused by vibration or improper tensioning.

Selection guidance for technicians

This part is manufactured to high standards to meet the demands of long-haul transport and construction machinery applications. Consult your authorized distributor to ensure precise fitment for your specific engine configuration.

OE cross-reference

332.03.0005 (Fan Tension Roller Fan) is the equivalent of the Dayco, Renault Trucks and Volvo OE numbers. This part directly replaces Dayco OE number APV2776S. It also replaces Renault Trucks OE numbers 7420759364, 7421390528 and Volvo OE numbers 20759364, 21390528.