SEALING RING FOR JONSERED CHAINSAW DRIVE SHAFT MODELS: 490, 590, 2077, 2041, 2045, 2050 2065, 2077, 2083, 2149, 2163, 2171 BC 2145, CS 2152, CS 2156, FC 2145 GR 41, GR 50, RS 44 DIMENSIONS: OUTER DIAMETER: 26 3 mm INTERNAL DIAMETER: 15 mm WIDTH h: 4 mm CODE: 40271451 ORIGINAL CODE: 505 275719 - 505 275719 MP 445, 445e