AUTOKAY Carburetor for Briggs & Stratton 390323 394228 7HP 8HP 9HP Engines Carb Model: 390323 / 394228 Other part number: 171452/171457/190400/19040/190402/190403 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 Note: this carb requires bolt of metric 6mm*20mm Package:1x Carburetor, 1x Gasket