Cadillac SRX 2005 Bulb Size
Bulb size chart
This 2005 Cadillac SRX bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right replacement before you buy. Whether you are changing a headlight, brake light, license plate light, or an interior lamp, using the exact bulb location is the easiest way to avoid fitment mistakes.
The 2005 Cadillac SRX was offered with different lighting setups depending on trim and market, so the same model year can use different bulb types in some positions. This page organizes the bulb chart by location to make replacement faster and more accurate for your SRX.
For best fitment, always compare your vehicle’s trim and lighting package with the bulb chart, especially if your SRX has HID headlights, halogen headlights, or an aftermarket conversion. Some positions may use LED-style assemblies or different socket styles depending on build options, so checking the installed bulb before ordering is a smart step. If a bulb has been changed previously, the part number in the vehicle may not match the original factory setup, and a quick visual check can prevent ordering the wrong replacement.
FAQ
What bulb does the 2005 Cadillac SRX use for the low beam headlights?
The 2005 Cadillac SRX uses D1S low beam bulbs with HID headlights and 9006XS low beam bulbs with halogen headlights. The correct choice depends on which headlight system is installed on your vehicle.
What is the high beam bulb size for the 2005 Cadillac SRX?
The high beam bulb size is 9005XS. This applies to the high beam position on the 2005 Cadillac SRX listed on this page.
What bulb is used for the daytime running lights on the 2005 Cadillac SRX?
The daytime running light bulb is 9005XS. On this model, the daytime running light and high beam bulb size are the same in the chart.
What bulb fits the front turn signal on a 2005 Cadillac SRX?
The front turn signal light bulb is 3757A. If you are replacing the front signal lamp, confirm the socket and bulb shape before installation.
What bulb is used for the rear turn signal on this SRX?
The rear turn signal light bulb is listed as LED on this page. Because the chart identifies it by lighting type rather than a printed bulb code, it is best to verify the installed assembly before purchase.
What are the brake light and tail light bulb types?
Both the brake light bulb and the tail light bulb are listed as LED on this page. That means the rear lighting may be part of an LED assembly rather than a standard replaceable filament bulb.
What bulb does the license plate light use?
The license plate light bulb is 2825, 98. This same bulb size is also listed for the front side marker light and one parking light option.
What is the dome light bulb size for the 2005 Cadillac SRX?
The dome light bulb size is 578. This is the interior overhead lamp bulb listed for the SRX on this page.
What bulb fits the map light and vanity mirror light?
The map light bulb is 2886X, and the vanity mirror light bulb is 7065. These are separate interior bulb positions, so do not assume they use the same size.
What bulb is used for the back-up reverse light?
The back-up reverse light bulb is 3157. This is the bulb listed for the reverse lamp position on the 2005 Cadillac SRX.
What bulb fits the interior door light and cargo area light?
The interior door light bulb is 906, and the trunk or cargo area light is 211-2. These are different interior locations and use different bulb sizes.
Why does the page show two parking light bulb options?
The page lists parking light bulb Option 1 as 2825, 98 and Option 2 as 3757A. This helps account for trim or package differences, so you can match the bulb to your actual SRX configuration.