Genuine Stihl muffler / exhaust gasket (1125 149 0601 / 11251490601) — a precision sealing gasket that sits between the cylinder exhaust port and the muffler. Prevents hot exhaust gases escaping, maintains correct backpressure and helps ensure stable engine performance.
Models It Fits (Confirmed):
- 034, 036, 038, 044, 046, 064, 066
- MS340, MS341, MS360, MS360C, MS361, MS361C, MS380, MS381
- MS440, MS441, MS460, MS461, MS640, MS650, MS660
- TS400 disc cutters
(Fitment may vary slightly by market and serial range — always confirm by parts diagram.)