partszen Carburetor for Craftsman YTS3000 DLS3500 DYT4000 LT1000 LT1500 LTS2000 LT2000 LT3000 YT3000 17hp 18.5hp 21hp 42'' 46'' Lawn Tractor Riding Mower for Briggs & Stration 31P977 331877 31P677
