Replaces Stihl: 26RSC81, 3639 005 0081. Fits Stihl: 024, 024 Super, 026, 026 PRO, 026P, 028, 028 Super, 029, 030, 031, 032, 034, 034 SUPER, 036, 036 PRO, 036 QS, 039, 040, MS 260, MS 260 Pro, MS 261, MS 261 C-M, MS 261 C-MQ, MS 261 CQ, MS 270, MS 270 C, MS 270 C-B, MS 270 CQS, MS 271, MS 280, MS 280 C-BQ, MS 280 CQS, MS 290, MS 291, MS 291 C-BEQ, MS 310, MS 341, MS 360, MS 360 C, MS 360 Pro, MS 360 QS, MS 361, MS 361 C-B, MS 361 QS, MS 390.
eBay