Carb Carburetor for Stihl Br320 Sr320 Br400 Br420 Replace 4203 120 0607 JIANGSU KIDE SYNTHETIC RUBBER CO., LTD. Base Info Model NO.:STIHL BR320 SR320 BR400 BR420 Description Pre:Cylinder & Piston Assembly 49mm Fits Stihl 039 Ms390 029 Ms290 New 1127 020 1213 Next:Ignition Coil for Jonsered 670 670 Champ 630 625 2054 2055 2094 2095 Chainsaw