Fits: MS 231, MS 231 C, MS 251, MS 251 C, 034, MS 440, MS 360, MS 192 T, MS 192 TC, MS 311, MS 391, MS 460, MS 171, BG 45, BG 46, BG 55, BG 65, BG 85, MS 190 T, MS 211, MS 211 C, MS 340, MS 341, 021, 023, 025, MS 201 T, MS 201 TC, BR 45 C, 029, 039, MS 241 C, 010, 011, MS 261, MS 261 C, MS 191 T, 01..
Genuine Stihl 029, 039, MS290, MS310, MS390 Exhaust Torx Screw M5 X 90mm *Used in many models and in different locations on the machines including the exhaust..