The Case IH 90357230 is a genuine OEM belt tensioner designed to maintain proper tension on the engine accessory belts in various Case IH and New Holland agricultural machines. This critical component prevents belt slippage, reduces wear on pulleys, and ensures efficient operation of driven components such as the alternator and water pump. It is engineered for durability and precise fitment, crucial for the longevity and reliable performance of your tractor's engine system. This tensioner is compatible with a wide range of models including Case IH PUMA, MAXXUM, and MXM series, as well as New Holland T6000, T7000, and TM series tractors.