GMC Acadia 2021 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED, H16 LED
Headlight Bulb High Beam - D3S
Headlight Bulb High Beam and Low Beam - LED
Headlight Bulb High Beam and Low Beam(with halogen headlights) - 9012
Headlight Bulb High Beam and Low Beam(with HID headlights) - D3S
Headlight Bulb Low Beam - 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 - LED
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440
Dome Light Bulb - 12961
Map Light Bulb - 2825, 98
Vanity Mirror Light Bulb - 6612F

H11 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H11 LED →

H16 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H16 LED →

D3S Bulbs

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

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 →

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 →

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, Map Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: License Plate Light Bulb, Map 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 →

7440 Bulbs

Used for: Turn Signal Light Bulb Rear

View all 8 replacement options for size 7440 →

12961 Bulbs

Used for: Dome Light Bulb

View all 10 replacement options for size 12961 →

6612F Bulbs

Used for: Vanity Mirror Light Bulb

Stark Crown Series 6612F LED Light Bulbs

Stark Crown Series 6612F LED Light Bulbs

Introducing the Stark Crown Series 6612F LED Light Bulbs - the perfect solution for various vehicle applications that require a Festoon Bulb. Equipped with advanced LED technology, these replacement bulbs offer exceptional performance and versatility. Featuring a dual-contact design, they boast two high-quality LEDs with 3030S SMD Max Intensity LED Chips, ensuring reduced hot spots and delivering a consistent, reliable light output. With a power rating of 2W per bulb and a total of 2PCS 4T10 LEDs, these bulbs provide ample illumination for your vehicle. They operate at a voltage range of DC12-16V, making them suitable for a wide range of vehicles. The beam angle of 180° ensures a broad and even distribution of light, while the crisp white color temperature of 6000K adds a touch of modern elegance. Not only do these LED bulbs deliver impressive brightness, but they also excel in energy efficiency. With an input of 100±10 mA at 13V, they consume minimal power while producing a remarkable luminous flux of 120±10 lm. This allows you to enjoy excellent visibility while reducing your vehicle's energy consumption. The Stark Crown Series 6612F LED Light Bulbs are designed for versatile use, making them suitable for various applications. Whether you have a car, truck, RV, boat, or marine vehicle, these bulbs are the perfect choice. Their sturdy construction ensures durability, and they can withstand a wide voltage range of 10-30V DC, ensuring optimal performance in different environments. With an impressive lifespan of 30,000 hours, these LED bulbs are built to last. In fact, they provide up to 25 times longer service life compared to traditional incandescent bulbs, saving you time and money on frequent replacements.

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WLJH 6x Super Bright Ice Blue 6612F Light Bulbs

WLJH 6x Super Bright Ice Blue 6612F Light Bulbs

  Introducing the WLJH 6x Super Bright Ice Blue 6612F Light Bulbs, the perfect choice for those seeking exceptional quality LEDs. With our latest upgrade using premium 2835 chips and a sleek design, these bulbs are sure to impress. Experience the following special features: High Power Illumination: Each bulb boasts an impressive 3 watts of power, ensuring a bright and reliable lighting solution. Super Bright Ice Blue Light: Emitting a stunning 6000K white light with a luminous intensity of 300lm, these bulbs create a striking visual impact. Perfect Fit: Measuring 28mm x 7mm, these bulbs are designed to fit bulb sizes ranging from 28mm to 31mm, providing versatility for various applications. Enhanced Stability: Equipped with 4 pieces of 2835 super bright SMD chipsets, these bulbs offer improved stability and consistent illumination. Wide Compatibility: Cross-referencing with popular models such as 6641, 6614F, 6614, F30-WHP, TS-14V1CP, and more, these bulbs are compatible with a range of vehicles. Convenient Packaging: Each package contains 6 pieces of 28mm Festoon Bulbs, ensuring you have an ample supply for your lighting needs. Utilizing top-of-the-line A Class SMD chips, our bulbs deliver unrivaled stability and brightness. When compared to C or D Class SMD chips, the difference is clear – the A Class surpasses the competition in every aspect.

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WLJH 6x Super Bright White Light Bulbs

WLJH 6x Super Bright White Light Bulbs

Introducing the WLJH 6x Super Bright White Light Bulbs, the ultimate lighting solution for your car. With their unique design and advanced features, these bulbs are designed to enhance your driving experience and give you a sense of pride in ownership. The WLJH 6x Super Bright White Light Bulbs feature a unique aluminum heatsink design. This design ensures better heat dissipation, allowing the bulbs to operate at optimal temperatures and providing a longer lifespan. With improved heat management, you can trust these bulbs to consistently deliver exceptional performance, even in demanding driving conditions. Each bulb in this set utilizes 4 pieces of 2835 super bright SMD chipsets. These chipsets are known for their stability and reliability, ensuring a consistently bright and stable illumination. With their superior brightness, these bulbs provide excellent visibility on the road, enhancing your safety and confidence while driving. Not only do these bulbs excel in performance, but they also add a touch of style to your vehicle. The super bright white light emitted by these bulbs creates a modern and crisp appearance. Whether you're upgrading your interior or exterior lighting, the WLJH 6x Super Bright White Light Bulbs will give your car a sleek and sophisticated look.

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View all 12 replacement options for size 6612F →

This 2021 GMC Acadia bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Because the Acadia can use different lighting setups depending on trim, package, and market, it is important to confirm whether your vehicle uses halogen, HID, or LED equipment for each lamp location.

Use this page as a quick reference for headlight, tail light, brake light, turn signal, fog light, interior light, and license plate bulb fitment on the 2021 GMC Acadia. Checking by position makes replacement easier and reduces the chance of ordering the wrong bulb size for your specific SUV.

Fitment can vary on the 2021 GMC Acadia, especially between trims and lighting packages, so always compare the bulb listed here with the bulb already installed in your vehicle. Headlights may be halogen or HID on some versions, while other positions may use LED assemblies or standard replaceable bulbs. If you are considering an aftermarket LED conversion, make sure the bulb base, beam pattern, and housing compatibility are appropriate, since not every reflector or projector setup works well with a different light source. Before purchasing, it is smart to remove the old bulb and check the markings on the base, because that is the most reliable way to confirm the correct replacement.

FAQ

What bulb does the 2021 GMC Acadia use for the low beam headlight?

The 2021 GMC Acadia may use D3S for low beam headlights on HID-equipped models, while halogen-equipped models use 9012. Some LED lighting packages may use integrated LED headlamp assemblies instead of a replaceable bulb.

What bulb size is used for the high beam on a 2021 GMC Acadia?

High beam fitment depends on the headlight type. HID-equipped Acadia models use D3S for the high beam, while halogen-equipped models use 9012. LED-equipped versions may have an integrated LED headlight system.

Does the 2021 GMC Acadia use the same bulb for high beam and low beam?

On some LED headlight versions, the high beam and low beam are listed together as an LED assembly. On HID models, the high beam and low beam use D3S. On halogen models, the high beam and low beam use 9012.

What is the rear turn signal bulb for the 2021 GMC Acadia?

The rear turn signal bulb is 7440.

What bulb fits the front turn signal and parking light on this SUV?

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

What is the reverse light bulb size for the 2021 GMC Acadia?

The back up reverse light bulb is 921.

What bulb does the fog light use on the 2021 GMC Acadia?

The front fog light bulb may be H11 LED or H16 LED, depending on the trim and lighting package.

Are the license plate lights and map lights the same bulb size?

Yes. Both the license plate light bulb and the map light bulb are listed as 2825 or 98.

What bulb is used for the dome light and vanity mirror light?

The dome light bulb is 12961, and the vanity mirror light bulb is 6612F.

Does the 2021 GMC Acadia use LED bulbs for brake and tail lights?

Yes, the brake light bulb, tail light bulb, center high mount stop light bulb, daytime running light bulb, side marker light bulbs, and some headlight functions may be LED depending on the vehicle configuration.

How can I make sure I buy the correct bulb for my 2021 GMC Acadia?

Check the bulb position on the vehicle, compare it with the bulb listed on this page, and confirm the part number printed on the old bulb if possible. This is especially important because trim and lighting package differences can change fitment.

Can I swap halogen bulbs for LED bulbs on a 2021 GMC Acadia?

Aftermarket LED conversions are possible in some locations, but compatibility depends on the housing, connector, and beam pattern. For best results, verify that the LED replacement is designed for your exact bulb position and headlight type.

GMC Acadia Bulb Size by Year