NEW OLD STOCK OEM GENUINE ACDelco/GM 17063824 Carburetor Vacuum Break w/ Bracket MADE IN USA. Gr. No. 3.755. Interchangeable part numbers: GM: 17078736, SMP: CPA306, WVE: 1C1147. PLEASE NOTE: This is a new old stock part. The box has also been opened and has shelf wear to it (see pictures for reference).