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Used for: Fog Light Bulb Front
Used for: Headlight Bulb High Beam
Used for: Headlight Bulb High Beam and Low Beam
Used for: Headlight Bulb Low Beam
Used for: Daytime Running Light Bulb
Used for: License Plate Light Bulb, Parking Light Bulb, Dome Light Bulb
Used for: Side Marker Light Bulb Front
Used for: Stepwell Light Bulb
Used for: Turn Signal Light Bulb Front(with halogen headlights)
Used for: Turn Signal Light Bulb Front(with HID headlights)
Used for: Glove Box Light Bulb, Interior Door Light Bulb
Used for: Map Light Bulb
Used for: Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
This 2009 Cadillac CTS-V bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Whether you are replacing an exterior lamp or a small interior bulb, checking the exact socket location is the easiest way to avoid fitment mistakes.
The 2009 Cadillac CTS-V uses different bulb types depending on the lamp location and, in some cases, the headlight setup. This page organizes the common bulb sizes for the CTS-V by position, making it easier to find the right match for headlights, fog lights, markers, license plate lights, and cabin lighting.
Fitment can vary by trim, lighting package, market, and body style, so always compare the bulb in your vehicle with the listing before ordering. Some CTS-V models use halogen lighting in certain positions, while others use HID components or LED-style replacements, and aftermarket conversions may change the required bulb type. If your car has been modified, or if you are unsure whether it has halogen or HID headlights, check the installed bulb or the existing housing before purchasing. Verifying the old bulb number and connector style is the safest way to confirm compatibility.
The low beam bulb listed for the 2009 Cadillac CTS-V is H11 on this page. Some lighting configurations may differ, so confirm the headlamp type before ordering.
The high beam bulb size listed is H9. If your car has a different headlight package, compare the installed bulb to the chart before replacing it.
Yes, the page also lists D1S for headlight bulb high beam and low beam on certain setups. This is one reason it is important to verify the exact lighting package on the vehicle.
The front fog light bulb is listed as H11 LED. If you are replacing a modified or aftermarket fog light, check whether the housing is still set up for that bulb type.
The daytime running light bulb listed for the 2009 Cadillac CTS-V is 5201. Always confirm the installed bulb if the car has been changed or repaired before.
For HID headlight cars, the front turn signal bulb is listed as 12272NA. For halogen headlight cars, the front turn signal bulb is listed as 2504 LED.
The license plate light bulb size listed is 2825. This same bulb size is also used in several other small exterior and interior positions on this page.
The parking light bulb size listed for the 2009 Cadillac CTS-V is 2825. Check the lamp housing carefully, since some vehicles may have been updated with different bulbs.
The dome light bulb listed is 2825. If the interior has been modified with LED replacements, confirm polarity and fitment before buying a new bulb.
Both the glove box light and the interior door light are listed as 906. These small interior bulbs are easy to replace once you confirm the socket style.
The stepwell light bulb size listed is 2886X. If your CTS-V has different interior trim or a custom lighting package, check the installed bulb first.
The front side marker light bulb is listed as 194NA. Make sure the replacement matches the socket and lens style used on your specific car.
The vanity mirror light bulb size listed is 6612F. These bulbs are small and can vary by mirror design, so it helps to compare the old bulb before ordering.
The trunk or cargo area light bulb listed is 211-2. This is a useful one to confirm before purchase because cargo lamps are often changed during past repairs.
Because the 2009 Cadillac CTS-V can vary by trim, package, and headlight type, the safest method is to inspect the bulb already in the vehicle. That helps confirm the exact size, connector, and whether the car uses a halogen, HID, or LED-style setup.