OM36 38MM PISTON KIT FOR EMAK EF3600 3700 EF3800 937 938 36 37 38 CYLINDER KOLBEN ASSEMBLY RING PIN CLIP 38mm piston kit designed for use with OM36 engines.Fits models 36, 37, 38, 937, 938 , and Emak EF3600, EF3700, EF3800.Includes piston, ring, wrist pin, and circlip.Replaces OEM 61212004A.Kit contains one complete piston assembly.Refer to engine specifications to confirm compatibility before purchase.