2004 Cadillac CTS Bulb Size Chart

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Headlight Bulb High Beam - 9005XS
Headlight Bulb Low Beam(with halogen headlights) - 9006XS
Headlight Bulb Low Beam(with HID headlights) - D1S

Center High Mount Stop Light Bulb - PC175
License Plate Light Bulb - 2825

License Plate Light Bulb - 98
Parking Light Bulb - 2825

Parking Light Bulb - 98
Tail Light Bulb - 3157R

Daytime Running Light Bulb - 3157
Turn Signal Light Bulb Rear - 3157
Back Up Reverse Light Bulb - 3157
Side Marker Light Bulb Front - 194NA
Side Marker Light Bulb Rear - 2825

Side Marker Light Bulb Rear - 98
Turn Signal Light Bulb Front Outer - 2825

Turn Signal Light Bulb Front Outer - 98
Turn Signal Light Bulb Front Inner - 3157
Trunk or Cargo Area Light - 211-2
Dome Light Bulb - PC175
Map Light Bulb - PC175
Courtesy Light Bulb - 564

2004 Cadillac CTS Low Beam bulb size - D1S

    Xenon HID Conversion Kit

  • Made in Germany

    OSRAM XENARC OEM 4300K D1S HID/XENON

    –DOT approved, 100% legal for On/Off road use
    – Extremely Long Life with precise light distribution & consistent performance.

    ONLY Upgrade version Osram HID bulbs such as XNL, CBI, CBB, etc… that come with 7-digit TRUST code gives matching batch# on bulb label and inside of metal base cap. This standard...

  • Best Choice

    Philips D1S Standard Authentic Xenon

    Discover the xenon lighting solutions, one of the popular choices in xenon lighting. These xenon bulbs produce even more light to satisfy the most demanding drivers while maintaining their high Original Equipment quality and superior performance. Make sure to order genuine Original Equipment quality Xenon lighting from Philips, the inventor...

  • See More D1S Xenon HID Conversion Kit

2004 Cadillac CTS Brake bulb size - 3157R

    LED Lights

  • Premium Pick

    Philips 3157 Ultinon LED Bulb (Red)

    Get stylish signaling with intense red light. Whether it’s for backup, stopping, or signaling, Philips Ultinon LED exterior lighting is designed to provide excellent light distribution. Philips Ultinon LED lights are direct replacements for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior...

  • Best Choice

    Sylvania Zevo LED Red Bulb

    SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require...

  • See More 3157R LED Lights

2004 Cadillac CTS License Plate bulb size - 2825

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. 

    Products with electrical...

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

  • See More 2825 LED Lights

2004 Cadillac CTS Parking bulb size - 2825

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. 

    Products with electrical...

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

  • See More 2825 LED Lights

2004 Cadillac CTS Tail Light bulb size - 3157R

    LED Lights

  • Premium Pick

    Philips 3157 Ultinon LED Bulb (Red)

    Get stylish signaling with intense red light. Whether it’s for backup, stopping, or signaling, Philips Ultinon LED exterior lighting is designed to provide excellent light distribution. Philips Ultinon LED lights are direct replacements for conventional bulbs. They’re easy to install and available for a wide range of interior and exterior...

  • Best Choice

    Sylvania Zevo LED Red Bulb

    SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require...

  • See More 3157R LED Lights

2004 Cadillac CTS Side Marker Rear bulb size - 2825

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. 

    Products with electrical...

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

  • See More 2825 LED Lights

2004 Cadillac CTS Turn Signal bulb size - 2825

    LED Lights

  • For Car Dome, Map Door, Courtesy, License Plate Lights

    Marsauto LED Light Bulb 6000K Replacement Bulbs

    – Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
    – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. 

    Products with electrical...

  • Premium Pick

    Sylvania White Mini Bulb

    SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively. 

  • See More 2825 LED Lights

If you need a replacement bulb for almost any socket of your car, explore the comprehensive list to find the correct 2004 Cadillac CTS bulb size. Manufacturer headlights dim off after a while, and also the genuine durability is determined by the technologies applied and the grade of the bulbs. This is an excellent time to take into account converting to a more sophisticated lighting option. Our 2004 Cadillac CTS bulb chart helps recognize the right bulb for just about any socket of the automobile, whether it be headlights, fog lights, daytime running lights, backup reverse lights, side markers, and many others.

We strongly suggest replacing the worn-out factory lighting fixtures with top-notch LED counterparts while they present a longer lifespan, better brightness, as well as a bigger choice of colors. However, aftermarket HID headlight kits are an even more special option allowing your car or truck differentiates itself from the average vehicles on the road by stressing the impressive traits of the car's grill.

If you find yourself in need of new 2004 Cadillac CTS bulbs, there are a few things you should keep in mind. First, it's important to choose the right type of headlight bulb for your vehicle. There are a variety of different headlight bulbs on the market, and each type has its own advantages and disadvantages. 

LED headlights are becoming increasingly popular in recent years. LED bulbs are more energy-efficient than traditional incandescent bulbs and they last much longer as well. However, they can be more expensive than other types of headlight bulbs.

Halogen headlights are the most common type of headlight bulb. They're relatively inexpensive and easy to find, but they don't last as long as other types of bulbs.

Xenon headlights are also becoming more popular. Xenon bulbs produce a brighter light than other types of bulbs, but they can be more expensive.

Once you've decided on the type of headlight bulb you want, it's time to choose the right size. Headlight bulbs come in a variety of sizes, and the size you need depends on the make and model of your vehicle. You can usually find the right size bulb in your vehicle's owner's manual or by doing a quick online search.

Do not forget that vehicles of the same production year are sold in a variety of trims, and minor dissimilarities may occur in bulb types for the similar part. To make your lifestyle a little bit simpler, we have carefully determined the bulbs that precisely complement the 2004 Cadillac CTS and the most efficient choices regarding good quality, reputation, cost, and lifespan.

Cadillac CTS Bulb Chart By Years