1137 120 0621 – STIHL Carburetor 1137/21 (Genuine OEM Part) 41730 MS 261 / MS 261

MS 261 / MS 261 C-Q / MS 261 C-MQ / MS 261 C-M

Construction: Cogged / Notched

Helps prevent hydraulic leaks

enabling dependable engine starting when the key is turned or the start button is engaged

Clean piston grooves thoroughly before installing new rings

1137 120 0621 – STIHL Carburetor 1137/21 (Genuine OEM Part) 41730 MS 261 / MS 2611137 120 0621 STIHL Carburetor 1137 21 (Genuine OEM Part) The STIHL 1137 120 0621 is a genuine OEM carburetor, model 1137 21, designed to deliver precise fuelair mixture control for consistent engine performance on compatible STIHL chainsaws. This carburetor plays a critical role in ensuring smooth starting, stable idle, and reliable power output across varying operating conditions. Manufactured to STIHLs original equipment specifications, this