The DEUTZ-FAHR 4235997 Piston Ring Set is an authentic OEM component designed for DEUTZ engines with a 100mm bore, specifically the 912 series. This set includes precision-engineered rings with thicknesses of 3.0mm (top), 2.5mm (second), and 4.0mm (oil), crucial for maintaining proper engine compression and effective oil control. Manufactured to DEUTZ-FAHR's stringent quality standards, this piston ring set ensures reliable sealing and contributes to the longevity and efficient operation of compatible DEUTZ engines used in various agricultural machinery.