1137 120 0621 – STIHL Carburetor 1137/21 (Genuine OEM Part) 41730 Helps prevent hydraulic leaks

Helps prevent hydraulic leaks

and long-term reliability compared to aftermarket sensors that may not meet factory calibration standards

Used on many Ariens and Gravely machines

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

extend engine life

1137 120 0621 – STIHL Carburetor 1137/21 (Genuine OEM Part) 41730 Helps prevent hydraulic leaks1137 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