Aftermarket STIHL BR420 SR420 Carburetor Review AuntWrecker March 31, 2018 August 4, 2018 No Comments on Aftermarket STIHL BR420 SR420 Carburetor Review This fits your . Make sure this fits by entering your model number. 1pcs Aftermarket Carburetor Fits BR420 SR420 Cutter / Trimmers Please check the pictures for more details and dimensions before purchasing