OEM Carburetor Kit / Walbro K10-WATPack Size:1Walbro K10-WATJ. Thomas W10-W04, NHC 203-5010, Sunbelt WAL-D10-WAT, Sunbelt WAL-K10-WAT, Tilton K10-WATWalbro WA and WT carburetors Not compatible with greater than 10% ethanol fuel