Fuel tank Sender: 73-77 GM Mid size G body 5/16" - DUAL LINEFor the ealry to later 70's mide size bigger GM series cars below. This is a TWO PIPE unit.. not three. so check if in doubt. Fits or was used on: BUICK CENTURY 1973 1977 BUICK REGAL 1973 1977 CHEVROLET CHEVELLE 1973 CHEVROLET LAGUNA 1973 1975 CHEVROLET MALIBU 1973 1977 CHEVROLET MONTE CARLO 1973 1977 OLDSMOBILE CUTLASS 1973 1977 OLDSMOBILE CUTLASS SALON 1975 1977 PONTIAC GRAND AM 1973 1975 PONTIAC GRAND LEMANS 1975 1977 PONTIAC GRAND PRIX 1975 1977