Specification: High quality aftermarket carburetor replacement Compatible with Briggs & Stratton 390323 . Compatible Parts No: 398170, 394228 Compatible with 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 Package includes 1 X carburetor 1 X gasket 1 X Carbon Dirt Jet Cleaner Tool Kit