AMC: 448869478GM: 8912698With positive-grip heavy duty plastic housing and sealed-in blade contacts.An exact replacement for the original socket. For park, turn, stop and taillight applications on most carswith 1-1/8″ hole.American Motors . . . . . . . . .79-69Cadillac . . . . . . . . . . . . . . . .73-70Oldsmobile . . . . . . . . . . . . . .73-7