The New Holland 9850523 is a genuine OEM tensioner pulley designed for a wide range of New Holland T7 series tractors and CX/CR series combines, as well as various Case IH Puma, Magnum, and Axial-Flow models. This critical component ensures proper belt tension, contributing to the efficient operation of the engine and associated systems. Manufactured to OEM specifications, it provides reliable performance and durability. With a diameter of 122 mm and a width of 33 mm, this pulley maintains precise alignment and reduces wear on belts.