The Case IH A175129 is an authentic OEM pressure plate retaining ring designed for various Case IH agricultural and industrial equipment. This critical component ensures the secure positioning of the pressure plate within the clutch assembly, maintaining proper function and preventing premature wear. It is compatible with a wide range of Case IH tractors, combines, cotton pickers, and industrial/construction models, including the 86, 88, and Hydro series tractors, 1400 series combines, and 1800/2100 series cotton pickers and industrial machines.