The McCormick 3427838M1 is a genuine OEM cylinder sleeve, also known as a cylinder liner, designed for a wide range of agricultural tractors. This critical engine component ensures proper cylinder sealing and performance across multiple brands, including Massey Ferguson, McCormick, Landini, Fendt, and Valtra. With an outer diameter of 101.5 mm, an inner diameter of 95 mm, and a height of 178 mm, this sleeve weighs approximately 1.15 kg, providing a precise fit and reliable operation for compatible engines.