For the 2007 Cadillac CTS-V, headlight fitment depends on the factory headlight type. Models with halogen headlights use a 9006XS low-beam bulb, while models with HID headlights use a D1S low-beam bulb. The high beam is a 9005XS bulb.
The listed fog-light fitment is a 9145 LED. Front turn-signal applications are listed with either a 3157A or 2825 bulb, so check the existing socket and application before ordering. Rear turn signals use 3157A bulbs.
- Reverse light: 3157
- Brake and tail lights: 3157R
- Center stop light: PC175
- Daytime running light: 3157
- License plate and parking lights: 2825
- Front side marker: 194NA; rear side marker: 2825
Interior fitment includes PC175 bulbs for the dome and map lights, a 564 courtesy-light bulb, and a 211-2 trunk-light bulb. Confirm whether the vehicle has halogen or HID headlights before selecting the low-beam replacement.