STIHL STIHL MOTORWHEEL DRIVE SHAFT SEALING RING MODELS: 020 , 024 , 026 , 034 , 036 FS 160 , FS 180 , FS 200 , FS 202 , FS 220 FS 280 , FS 290 , MS 240 , MS 260 MS 340 , MS 360 , TS 200 MEASUREMENTS: OUTER DIAMETER: 20 mm INTERNAL DIAMETER: 12 mm WIDTH: 5 mm CODE: 40271444 ORIGINAL CODE: 9640 003 1190 MP