The McCormick 1610188M1 is an OEM piston ring designed for optimal engine performance and sealing. This genuine part is compatible with a wide range of agricultural machinery, including numerous Massey Ferguson, Landini, and McCormick tractor models equipped with Perkins A4.212, A4.236, A4.248, AD4.236, AT4.236, T4.236, A6.354, AT6.354, T6.354 engines. It features a bore diameter of 91.49 mm and a thickness of 3.175 mm, ensuring a precise fit and reliable operation.