Cadillac ATS 2017 Bulb Size

Bulb size chart

Headlight Bulb High Beam and Low Beam(with halogen headlights) - 9012
Headlight Bulb High Beam and Low Beam(with HID headlights) - D3S
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - LED
License Plate Light Bulb - 2825, 98
Parking Light Bulb - 7444NA
Side Marker Light Bulb Front - 194NA
Side Marker Light Bulb Rear - LED
Stepwell Light Bulb - 194, 7441
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - LED
Interior Door Light Bulb - 194, 7441
Trunk or Cargo Area Light - 194, 7441
Vanity Mirror Light Bulb - 7065

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)

Philips D3S Standard Authentic Xenon HID

Philips D3S Standard Authentic Xenon HID

POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that xenon automotive lighting helps drivers to concentrate on the road and to distinguish obstacles and road signs much faster than traditional lamps. *Compared to standard halogen bulbs

$79.99

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OSRAM XENARC D3S HID Xenon Headlight bulbs 66340

OSRAM XENARC D3S HID Xenon Headlight bulbs 66340

 Extremely Long Life with precise light distribution & consistent performance - can efficiently work for 4000 hours.  All HID lights discolor to get whiter/bluer over usage & dim down. When comparing this NEW bulb against your OLD bulb, the NEW bulb may look warmer in color, which is normal. Replacing in PAIR is suggested. Extremely Long Life with precise light distribution & consistent performance. 100% legal for On/Off-road use | Replace in pairs for optimal performance.

$108.99

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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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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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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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This page covers bulb sizes for the 2017 Cadillac ATS and is organized by lighting position so you can quickly verify the correct replacement bulb before you buy. Whether you are replacing an exterior lamp or a small interior bulb, the goal is to match the bulb type to the exact location on the car.

The 2017 Cadillac ATS may use different lighting setups depending on trim, body style, and market, so the bulb chart is meant to help you narrow down fitment by function. Use the listed bulb sizes for the specific light position on your vehicle, especially when comparing front lighting, rear lighting, and interior courtesy bulbs.

Fitment can vary on the 2017 Cadillac ATS, especially when comparing trim levels, lighting packages, and halogen versus HID-equipped models. For example, the headlight bulb size is different for halogen headlights and HID headlights, and some exterior lamps may be LED assemblies rather than simple replaceable bulbs. If you are considering an aftermarket conversion, make sure the bulb type, connector, and housing design are compatible before ordering. The safest approach is to check the bulb currently installed in your ATS and compare it with the bulb chart here before purchase, since a prior owner may have changed parts or the car may have a market-specific setup.

FAQ

What bulb size does the 2017 Cadillac ATS use for the low beam and high beam headlights with HID headlights?

For 2017 Cadillac ATS models with HID headlights, the listed headlight bulb size for both high beam and low beam is D3S.

What bulb size does the 2017 Cadillac ATS use for the low beam and high beam headlights with halogen headlights?

For 2017 Cadillac ATS models with halogen headlights, the listed headlight bulb size for both high beam and low beam is 9012.

Are the brake lights on the 2017 Cadillac ATS replaceable bulbs?

The brake light bulb is listed as LED, which usually means the light is part of an LED assembly rather than a standard replaceable bulb.

What is the rear turn signal bulb size on the 2017 Cadillac ATS?

The rear turn signal light bulb is listed as LED, so it is typically not a conventional replaceable bulb size.

What bulb size is used for the reverse lights on the 2017 Cadillac ATS?

The back up reverse light bulb size is 921.

What bulb size is used for the front turn signal and parking lights on the 2017 Cadillac ATS?

Both the front turn signal light and the parking light use 7444NA.

What bulb size is used for the front side marker light on the 2017 Cadillac ATS?

The front side marker light bulb is 194NA.

What bulb size is used for the rear side marker light on the 2017 Cadillac ATS?

The rear side marker light bulb is listed as LED, so it is generally part of an LED lighting assembly.

What bulb size is used for the license plate lights on the 2017 Cadillac ATS?

The license plate light bulb sizes listed are 2825 and 98.

What bulb size is used for the trunk or cargo area light on the 2017 Cadillac ATS?

The trunk or cargo area light bulb sizes listed are 194 and 7441.

What bulb size is used for the interior door lights on the 2017 Cadillac ATS?

The interior door light bulb sizes listed are 194 and 7441.

What bulb size is used for the stepwell lights on the 2017 Cadillac ATS?

The stepwell light bulb sizes listed are 194 and 7441.

What bulb size is used for the vanity mirror light on the 2017 Cadillac ATS?

The vanity mirror light bulb size listed is 7065.

Do all 2017 Cadillac ATS models use the same bulbs?

Not always. Trim, lighting package, body style, and market can affect fitment, so it is important to verify the bulb position and equipment on your specific ATS.

Why should I check the installed bulb before buying a replacement for my 2017 Cadillac ATS?

Checking the installed bulb helps confirm the exact fitment, especially if the vehicle has been modified, repaired, or equipped with a different lighting package than expected.

Cadillac ATS Bulb Size by Year