Genuine STIHL M5x90 screw designed for securing the muffler assembly on selected STIHL chainsaws. Manufactured to OEM specifications, this heavy-duty fastener is designed to withstand high engine vibration and heat while maintaining secure muffler retention.
Suitable Models
Fits selected STIHL chainsaws including:
- 029
- 030
- 031
- 039
- MS 290
- MS 310
- MS 390
(Always confirm fitment using model and serial number.)