The Case IH 94663C1 is an authentic OEM piston ring, precisely manufactured with a 3.86mm thickness. This essential engine component is engineered to ensure optimal sealing and maintain proper compression within a wide range of Case IH agricultural machinery and industrial equipment. It is built for durability and exact fitment, contributing to the reliable performance and longevity of compatible engines. Consult your equipment's official parts catalog for specific application and installation details.