Brand new Hyway air filter, fits Stihl chainsaw models MS231 MS251 MS271 MS291 MS311 MS391 MS362C. 

Replaces OEM# 1141 140 4400.

We offer a 90 day guarantee against manufacturer defects on all parts we sell, buy with confidence!
Wolf Creek Saw Shop is a proud U.S. seller, we ship within 1 day of receiving payment, and you will get your parts quickly!