New GM in an old Delco box this is a dual gas tank switch. This item is used to control gas flow from one gas tank to another. Shows as fitting 1973 through 1980 Chevrolet pickup trucks and GMC similar models including blazer and suburban GM part number 329854
Listed as fitting
- 1973 1974 1970 567-1978 1979 1980 Chevrolet GMC trucks
