
Nokya Arctic White 9005XS Car Headlight Bulb
$13.00
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Used for: Headlight Bulb High Beam
Used for: Headlight Bulb Low Beam(with halogen headlights)
Used for: Headlight Bulb Low Beam(with HID headlights)
Used for: Back Up Reverse Light Bulb, Daytime Running Light Bulb, Turn Signal Light Bulb Front Inner, Turn Signal Light Bulb Rear
Used for: Brake Light Bulb, Tail Light Bulb
Used for: Center High Mount Stop Light Bulb, Dome Light Bulb, Map Light Bulb
Used for: License Plate Light Bulb, Parking Light Bulb, Side Marker Light Bulb Rear, Turn Signal Light Bulb Front Outer
Used for: License Plate Light Bulb, Parking Light Bulb, Side Marker Light Bulb Rear, Turn Signal Light Bulb Front Outer
Used for: Side Marker Light Bulb Front
Used for: Courtesy Light Bulb
Used for: Trunk or Cargo Area Light
This page lists the bulb sizes for the 2005 Cadillac CTS by lighting position, making it easier to confirm the correct replacement before you buy. Whether you are changing a headlight, tail light, parking light, or interior lamp, the goal is to match the bulb to the exact location on the vehicle.
The 2005 Cadillac CTS could use different lighting setups depending on trim, market, and body style, so it is important to verify each bulb separately. Use this guide to compare the installed bulb with the listed size for your specific CTS and avoid ordering the wrong part.
For best fitment, always compare your existing bulb to the chart before replacing it, especially if your CTS has halogen headlights, HID low beams, or an optional lighting package. Some owners choose LED replacements for brighter output or longer life, but LED bulbs may require additional parts or may not work correctly in every housing. Aftermarket conversions can also change beam pattern, warning behavior, or bulb compatibility, so check the complete setup before upgrading. If a light has been replaced before, the installed bulb may not match the original equipment listing, which is another reason to inspect the current bulb before purchase.
The low beam bulb size for 2005 Cadillac CTS models with HID headlights is D1S.
The low beam bulb size for 2005 Cadillac CTS models with halogen headlights is 9006XS.
The high beam bulb size listed for the 2005 Cadillac CTS is 9005XS.
The front outer turn signal light bulb is 2825, 98.
The front inner turn signal light bulb is 3157.
The brake light bulb size is 3157R.
The tail light bulb size is 3157R.
The rear turn signal light bulb size is 3157.
The back up reverse light bulb size is 3157.
The front side marker light bulb size is 194NA.
The license plate light bulb size is 2825, 98.
The dome light bulb, map light bulb, and center high mount stop light bulb are listed as PC175.
The trunk or cargo area light bulb size is 211-2.
Not always. Trim, lighting package, market, and body style can affect the exact bulb setup, so it is best to verify the bulb by position on your specific car.