New Walbro WT Carburetor Carb Repair Kit K24-WAT High Quality Carburetor Kit! it is used on Walbro WT model carburetors. Fits the following WT model Walbro carburetors: WT-274, WT-424, WT-592, WT-620, WT-621, WT-626, WT-630, WT-631, WT-640, WT-643 THRU WT-649, WT-669, WT-670, WT-671, WT-773, WT-775, WT-866, WT-924, WT-925 & WT-973.