Description:

Replacement Part Number: 390323 394228 398170. For 7HP 8HP 9HP HORIZONTAL ENGINES. For 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. Easy to install, it's better to be installed by professionals(NO instructions included).