The Stihl cylinder and piston with a diameter of 38 mm (code 4180-020-1207) is an original spare part for Stihl SP 90, SP 90 T olive harvesters, Stihl FS 87, FS 87 R, FS 90, FS 90 R brushcutters, Stihl KM 90, KM 90 R Kombi engines, Stihl HL 95 hedge trimmers. It is sold together with the piston pin, piston rings, plastic screws, and rings. MN