Briggs & Stratton 390323 394228 398170. 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.
