Cadillac ATS 2015 Bulb Size

Bulb size chart

9012 Bulbs

Used for: Headlight Bulb High Beam and Low Beam(with halogen headlights)

GLODRV 9012/HIR2 LED Mini Size Bulbs

GLODRV 9012/HIR2 LED Mini Size Bulbs

Illuminate the road ahead like never before with GloDrv 9012/HIR2 LED Fog Bulbs. Perfect for vehicles requiring [bulb type], these bulbs deliver an incredible 20,000 lumens of brightness, making them 600% brighter than standard options. The 6000K cool white light ensures every detail on the road is visible, enhancing your driving comfort and safety. Designed for easy installation, these bulbs feature a true 1:1 halogen lamp design, with a direct plug-and-play setup that takes just 5 minutes. The advanced matrix chip technology ensures a sharp, glare-free light that’s friendly to oncoming drivers, providing 360° illumination without dark spots. Built to last, GloDrv’s bulbs boast a lifespan of over 60,000 hours, thanks to a 16,000 rpm fan and liquid-cooled copper tube that keep them cool and efficient. With 99% vehicle compatibility, these bulbs are the ultimate upgrade for anyone seeking brighter, longer-lasting, and safer vehicle lighting.

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XtremeVision HID 9012 Replacement Bulbs

XtremeVision HID 9012 Replacement Bulbs

Upgrade your vehicle with superior brightness and performance using the XtremeVision Pro 9012 HID Xenon Bulbs. These are high-quality replacement bulbs that offer a bright white light at 5000K, projecting a daylight-like beam that increases visibility, reduces eye fatigue, and accentuates your vehicle's style in a most modern way. The XtremeVision Pro bulbs are 3X brighter than standard halogen bulbs for optimum visibility in low-light conditions. They operate on 35% less power for exceptional energy efficiency without compromising performance. Whether driving at night or through tough weather, they provide the clarity and confidence a driver needs on the road. These HID Xenon bulbs boast an extra-strong construction with a quartz glass tube that isolates the UV rays and a base resistant to water and heat. With a life 5 times longer than that of halogen bulbs, durability and reliability are assured, which makes this a very sound investment for any driver.All XtremeVision Pro bulbs boast a 100% plug-and-play wiring harness for fast and easy installation without modification. Compatible with 35W and 55W DC/AC HID ballasts, these bulbs go easily into your vehicle's existing setup. Compatibility Notes: This product requires HID ballasts to function; please check fitment for low beam, high beam, or fog lights.

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Sealight L2 Series

Sealight L2 Series

360-degree illumination: the ultra-thin design of the L2 9012 LED headlight bulb maximizes the concentration of light which significantly enhances the luminous output in reflector-style headlights. 200% brightness: thanks to its unique 360-degree design, the L2 outputs enough light to give a 200% brightness compared to halogen bulbs, allowing you to see farther and providing higher reflectivity. See more clearly: ditch your dim yellow halogen bulbs and make way for super-focused bright.

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View all 13 replacement options for size 9012 →

D3S Bulbs

Used for: Headlight Bulb High Beam and Low Beam(with HID headlights)

View all 10 replacement options for size D3S →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

2825 Bulbs

Used for: License Plate Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: License Plate Light Bulb

View all 10 replacement options for size 98 →

7444NA Bulbs

Used for: Parking Light Bulb, Turn Signal Light Bulb Front

TUINCYN 7444NA W21W LED White Light Bulb

TUINCYN 7444NA W21W LED White Light Bulb

Introducing the TUINCYN 7444NA W21W LED White Light Bulb, a reliable and easy-to-install lighting solution for your car. With its advanced features and impressive specifications, this bulb is designed to provide bright and efficient illumination, enhancing your driving experience. Installation is a breeze with the TUINCYN 7444NA W21W LED White Light Bulb. It is a plug and play bulb, which means no complicated wiring or modifications are needed. Simply remove your old bulb and insert the TUINCYN LED bulb into the socket for an instant upgrade. It's a hassle-free process that saves you time and effort. The light body structure of this bulb is designed for durability and longevity. With point-to-point welding, the light body is firm and not easily damaged. This ensures that the bulb can withstand various road conditions and vibrations, providing you with a reliable lighting solution that will last. Experience exceptional lighting coverage with the 360-degree beam angle design of the TUINCYN LED bulb. This design ensures that every corner is illuminated, leaving no dark spots or shadows. Whether you're driving in the city or on winding roads, you can rely on the TUINCYN LED bulb to provide clear and consistent lighting. With its faster on/off response time, the TUINCYN 7444NA W21W LED White Light Bulb delivers instant illumination when activated. This quick response ensures that other drivers can easily see your vehicle, enhancing safety on the road.

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View all 11 replacement options for size 7444NA →

194NA Bulbs

Used for: Side Marker Light Bulb Front

Marsauto 194 LED Light Bulbs Amber Yellow

Marsauto 194 LED Light Bulbs Amber Yellow

Introducing the Marsauto 194 LED Light Bulbs in Amber Yellow, the perfect lighting solution for your car's various applications. With their impressive brightness and ease of installation, these bulbs will stay with you all the time, providing enhanced visibility and style.Experience a super bright light output with the Marsauto 194 LED Light Bulbs. With 200 lumens of brightness, these bulbs ensure excellent visibility in a variety of applications. Whether you need them for map lights, dome lights, license plate lights, dashboard instruments, trunk lights, or courtesy lights, these bulbs will illuminate your vehicle with a vibrant amber yellow glow. Installation is a breeze with the Marsauto 194 LED Light Bulbs. With their user-friendly design, you can easily install them in just 3 minutes. Simply remove your old bulbs and replace them with the Marsauto LEDs for an instant upgrade. There's no need for complex wiring or modifications – it's a hassle-free process that anyone can do. The Marsauto 194 LED Light Bulbs will stay with you all the time, providing reliable and long-lasting performance. Whether you're driving during the day or night, these bulbs will consistently deliver the illumination you need. You can count on them to enhance your visibility and add a touch of style to your vehicle's interior and exterior lighting. Upgrade your car's lighting system with the Marsauto 194 LED Light Bulbs in Amber Yellow and enjoy enhanced brightness, easy installation, and versatile applications. With their super bright light output, quick installation, and compatibility with various car lighting functions, these bulbs are the perfect choice for improving your driving experience. Trust Marsauto for high-quality lighting solutions that will exceed your expectations.

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Alla Lightning 194NA LED Amber Bulbs

Alla Lightning 194NA LED Amber Bulbs

Each bulb is quipped with 18pcs high power and high illumination 3014 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Each bulb is about 240 lumens, fully 360° light output. More than 400% brighter than stock lamps. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for license plate lights, side marker lights, parking lights, interior map, dome, trunk, door courtesy, stepwell lights lamps.

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View all 12 replacement options for size 194NA →

194 Bulbs

Used for: Stepwell Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Stepwell Light Bulb, Interior Door Light Bulb, Trunk or Cargo Area Light

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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View all 13 replacement options for size 7441 →

7065 Bulbs

Used for: Vanity Mirror Light Bulb

TUINCYN Festoon 7065 LED Interior Bulb

TUINCYN Festoon 7065 LED Interior Bulb

Discover the brilliance of the TUINCYN Festoon 7065 LED Interior Bulb, a perfect blend of design and functionality tailored for modern illumination needs. Freshly designed and 100% brand new, this bulb is compatible with a standard 31MM socket and is powered by the 5630 SMD LED technology. With 8 LEDs per bulb, it promises a luminous experience. Its wide 150-degree lighting angle ensures a broad glow, making every corner visible. Installation is a breeze; just plug it in and enjoy the brilliance without any complex wiring. Its sturdy design, achieved through point-to-point welding, ensures durability. The LED technology not only provides brighter light but also conserves power. Moreover, its 360-degree beam angle guarantees comprehensive lighting with quick response times. Choose the TUINCYN Festoon 7065 for an unmatched interior lighting journey.

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Wiseshine 7065 LED Interior Festoon Bulbs

Wiseshine 7065 LED Interior Festoon Bulbs

Introducing the Wiseshine 7065 LED Interior Festoon Bulbs - a perfect replacement for traditional Festoon Miniature Halogen light bulbs, including models like DE3175, DE3021, DE3022, 6428, and 7065. Crafted with precision, each bulb is powered by 2 super-bright 5050 chipsets delivering 1.5 watts and producing an individual light intensity of 90-100 lumens. Enhanced with a robust thick copper Aluminum Base Board, these bulbs promise an extended lifespan of up to 50,000 hours, ensuring prolonged brilliance and reliability. Upgrade to the Wiseshine 7065 for a brighter and longer-lasting lighting solution.

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View all 12 replacement options for size 7065 →

This 2015 Cadillac ATS bulb size guide helps you verify the correct bulbs by lighting position, so you can replace a failed lamp with confidence. Whether you are changing a headlight, a tail light, or a small interior bulb, this page organizes the common fitment points for the ATS in one place.

The 2015 Cadillac ATS may use different bulbs depending on trim, lighting package, body style, and market. Use the bulb chart to match the location first, then confirm the bulb type before you buy. That is the best way to avoid ordering the wrong part for your car.

Fitment can vary on the 2015 ATS, especially between halogen and HID-equipped models and between standard and upgraded lighting packages. For example, the halogen headlight setup uses 9012 bulbs, while HID headlights use D3S bulbs. LED exterior lamps may also differ from one configuration to another, and aftermarket LED conversions can change beam pattern, brightness, or warning behavior. Before purchasing, check the bulb currently installed in your vehicle, compare it with the chart, and confirm the socket and connector style if you are replacing a bulb with an LED upgrade or a non-OEM part.

FAQ

What is the best way to find the right bulb for a 2015 Cadillac ATS?

Start with the lighting position, such as headlight, brake light, or license plate light, then match that position to the bulb type listed for the 2015 Cadillac ATS. This page is organized to help you verify bulb sizes by location instead of guessing from the bulb shape alone.

Does the 2015 Cadillac ATS use the same headlight bulb on every trim?

No. The 2015 Cadillac ATS can use different headlight bulbs depending on the lighting setup. Models with HID headlights use D3S, while models with halogen headlights use 9012.

What bulb does the 2015 Cadillac ATS use for halogen low and high beams?

The halogen headlight setup for the 2015 Cadillac ATS uses 9012 bulbs for the high beam and low beam application listed on this page.

What bulb does the 2015 Cadillac ATS use for HID low and high beams?

The HID headlight setup for the 2015 Cadillac ATS uses D3S bulbs for the high beam and low beam application listed on this page.

What bulb is used for the reverse lights on a 2015 Cadillac ATS?

The back up reverse light bulb listed for the 2015 Cadillac ATS is 921.

What bulb fits the front turn signal and parking light on a 2015 Cadillac ATS?

The front turn signal light bulb and the parking light bulb are both listed as 7444NA for the 2015 Cadillac ATS.

What bulb is used for the front side marker light?

The front side marker light bulb listed for the 2015 Cadillac ATS is 194NA.

What bulb is used for the rear side marker light?

The rear side marker light bulb on the 2015 Cadillac ATS is listed as LED on this page.

Are the brake lights and tail lights on the 2015 Cadillac ATS LED?

Yes. The bulb chart for the 2015 Cadillac ATS lists the brake light bulb and tail light bulb as LED.

What bulb is used for the center high mount stop light?

The center high mount stop light bulb for the 2015 Cadillac ATS is listed as LED.

What bulb fits the license plate lights on a 2015 Cadillac ATS?

The license plate light bulb options listed for the 2015 Cadillac ATS are 2825 and 98.

What bulb should I use for the trunk or cargo area light?

The trunk or cargo area light bulb options listed for the 2015 Cadillac ATS are 194 and 7441.

What bulb is used for interior door lights and stepwell lights?

For the 2015 Cadillac ATS, the interior door light bulb and the stepwell light bulb are both listed as 194 and 7441.

What bulb fits the vanity mirror light?

The vanity mirror light bulb listed for the 2015 Cadillac ATS is 7065.

Can I replace LED exterior bulbs with aftermarket LED parts on a 2015 Cadillac ATS?

Yes, but fitment and performance can vary. Aftermarket LED replacements may not match the original beam pattern or brightness, and some may require additional checks for compatibility. Always verify the exact bulb position and compare the installed bulb before buying.

Cadillac ATS Bulb Size by Year