Stihl Fs85, Fs80, Fs76, Fs75 Replacement Muffler, Replaces Oem #4137-140-0602 STIHL FS85, FS80, FS76, FS75 REPLACEMENT MUFFLER REPLACES OEM #4137-140-0602 High Quality Tooling approved by Lil Red Barn **Family run business with 25 years of repair experience and parts sales **We strive to provide high quality parts and excellent customer service!