Hilitchi New Carburetor Carb Engine Replacement Upgrade Assembly Fit for Briggs & Stratton 7 & 8 HP 390323 394228 Troybilt High Quality Briggs & Stratton Carburetor, 100% Brand New! Fits Models 170401, 170402, 170412, 170417, 170431, 170432, 170435, 170437,170452, 170457, 171431, 171432, 171437, 171452, 171457, 190400, 190401, 190402, 190403, 190404, 190406, 190407, 190412, 190413, 190415, 190416, 190417, 190431, 190432, 190434, 190435, 190436, 190437, 190451, 190452, 190457, 190492, 190493, 194402, 194412, 194415, 194417, 195412, 195415, 195422, 195423, 195431, 195432, 195435, 195436, 195437, 195451, 195452, 195456, & 195457 Fits 7, 8 & 9 HP HORIZONTAL ENGINES L HEAD,Replaces Part #'s 390323 394228. Package Include: Carburetor x 1, gasket x 1. Please check the machine model before buying.