Cadillac Calais front and rear turn signal bulbs utilize 1034NA and 1157NA bulb sizes for the front position, while rear turn signals employ 1157, 1034NA, and 1157NA bulb sizes. The replacement chart covers 1965 through 1976 production years with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.