Cadillac CT4 Headlight Bulb Sizes
Select your Cadillac CT4 model year to view exact low beam, high beam, and fog light bulb sizes.
2025
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)
2024
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)
2023
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)
2022
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)
2021
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)
2020
Cadillac CT4
Low: Factory LED (Sealed Unit) | High: Factory LED (Sealed Unit)