The Case IH CA87801838 is a genuine OEM belt tensioner designed for various Case IH and New Holland agricultural machines. This critical component maintains proper tension on the engine belts, preventing slippage and ensuring efficient operation of accessories. It is a direct replacement part, engineered to meet original equipment specifications for durability and performance. Confirmed fitment includes Case IH MXM series tractors (MXM120, MXM130, MXM140, MXM155, MXM175, MXM190) and New Holland TM series tractors (TM115, TM120, TM125, TM130, TM135, TM140, TM150, TM155, TM165, TM175, TM190).