This genuine SAME 01643654020 piston ring is an essential engine component designed for 100mm diameter pistons. It ensures proper compression and oil control within the engine. This OEM part is suitable for a wide range of agricultural machinery, including SAME Explorer, Laser, Antares, Silver, and Rubin tractors, as well as select Lamborghini R, R4, R5, R6, Hürlimann H, XT, and Deutz-Fahr Agrofarm, Agrotron models.