Carburetor For Briggs And Stratton 390323 394228 398170 7hp 8hp 9hp Engine Feature: Interchange part number: 390323 398170 394228 Fits 7Hp 8Hp 9Hp Horizontal engines Troybilt carb 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 Specification: Color: Mix-Color Material: Metal Size: As the picture Quantity: 1Set Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package list: 1x Carburetor, 1x Gasket