This is a tensioning band, also known as a V-belt or fan belt, used to drive various engine-mounted accessories like the alternator and fan. It is constructed from high-strength, wear-resistant rubber compounds to ensure consistent tension and power transfer, unlike a worn belt that may slip or break. Operators will notice a lack of charging system voltage, overheating due to fan failure, or a distinct squealing noise from the engine compartment when this belt is failing or has broken.
Always verify with serial number before ordering.
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Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The first indication of a failing tensioning band is often a high-pitched squealing noise, particularly on startup or under load. If ignored, the belt can slip, leading to reduced performance of driven accessories like the alternator or cooling fan, potentially causing battery discharge or overheating. A broken belt will cause a complete loss of function for all driven accessories, potentially leading to engine damage or operational shutdown.
Ensure the belt is routed correctly around all pulleys, following the diagram on the equipment or in the service manual. Never use a pry bar or sharp object to force the belt onto the pulleys, as this can cause internal damage.
Inspect the tensioner pulley, idler pulleys, and all accessory pulleys for proper alignment and bearing condition.