The Landini 1610178M5 is a genuine OEM O-Ring designed for a wide range of agricultural and industrial machinery, including various Massey Ferguson, Landini, and McCormick tractor models, as well as Perkins engines. This high-quality sealing component ensures a tight and leak-free connection, crucial for maintaining system integrity and preventing fluid loss. With an inner diameter of 12.37 mm, an outer diameter of 18.03 mm, and a thickness of 2.83 mm, it provides precise fitment and optimal performance in demanding applications.