Buick LaCrosse 2012 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED, H16 LED
Headlight Bulb High Beam - H9
Headlight Bulb High Beam and Low Beam - D1S
Headlight Bulb Low Beam - H11
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb(with halogen headlights) - H11 LED, H16 LED
Daytime Running Light Bulb(with HID headlights) - 3157
License Plate Light Bulb - 2825, 98
Parking Light Bulb - 3757A
Side Marker Light Bulb Front - 3757A
Side Marker Light Bulb Rear - LED
Stepwell Light Bulb - 194, 7441
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 3757A
Turn Signal Light Bulb Rear - 3757A
Dome Light Bulb - 2825, 98
Glove Box Light Bulb - 194, 7441
Interior Door Light Bulb - 2825, 98
Trunk or Cargo Area Light - 194, 7441
Vanity Mirror Light Bulb - 7065

H11 LED Bulbs

Used for: Fog Light Bulb Front, Daytime Running Light Bulb(with halogen headlights)

View all 5 replacement options for size H11 LED →

H16 LED Bulbs

Used for: Fog Light Bulb Front, Daytime Running Light Bulb(with halogen headlights)

View all 5 replacement options for size H16 LED →

H9 Bulbs

Used for: Headlight Bulb High Beam

Sealight L2 Series

Sealight L2 Series

Simple installation: it’s been designed as a plug-and-play lighting solution, so does not need the help of a mechanic to fit into most cars. No pain of replacing bulbs often: a maximum level of heat dissipation is achieved when they are in use thanks to the ball-bearing cooling fan, the copper thermal heat sink, and high-density aluminum body, ensuring up to 50,000 hrs lifespan. No spots: with a 360-degree light output radius, these bulbs remove all dark spots and provide a much wider angle of output than with standard bulbs.

$27.94

Buy on Amazon →

PIAA 19665 H9 Xtreme White Plus

PIAA 19665 H9 Xtreme White Plus

If you’re looking for better visibility on your road, then Xtreme White Hybrid bulbs should be at the top of your list. These high-quality glasses and alloy filaments provide more contrast to what can sometimes become dim or dull light from stock lamps so that way not only do they allow car lovers to see farther but also safer as well! Made with safety in mind from the start these products have been designed by professionals who know exactly how important it is to have functioning bulbs in any season and during every weather.

$67.25

Buy on Amazon →

KATANA H9 LED Headlight Bulbs

KATANA H9 LED Headlight Bulbs

Introducing the KATANA H9 LED Headlight Bulbs, the perfect solution for all your lighting needs on the road. This LED headlight bulb is 400% brighter than the original halogen lamp, providing you with 4 times the brightness and allowing you to see farther and wider. The H9 LED headlight has a 360° beam angle that ensures you have a perfect beam pattern without any dark spots, making it safe to drive in all weather conditions - be it rainy, foggy, or snowy. The installation process is simple and hassle-free, with a plug-and-play design that is almost 1:1 to the halogen lamp. You don't need any tools or modifications, and the installation can be completed in just 10 minutes. The KATANA H9 LED Headlight Bulbs are compatible with 99% of vehicles and come with an upgraded CANBUS that ensures seamless operation.

Buy on Amazon →

View all 10 replacement options for size H9 →

D1S Bulbs

Used for: Headlight Bulb High Beam and Low Beam

View all 11 replacement options for size D1S →

H11 Bulbs

Used for: Headlight Bulb Low Beam

PIAA 15211 H11 Xtreme White Plus

PIAA 15211 H11 Xtreme White Plus

Xtreme White Hybrid bulbs are worth it if you want the lightest possible. They're brighter and provide better contrast versus stock, allowing drivers to see farther with greater safety on dark roads or high traffic areas like city streets at night time - because these lights don't have any filters that would interfere with their visibility! Made from quality materials such as quartz glass alongside our special alloy filaments which reflect heat much more efficiently than common metals do; this means they will last longer without getting too hot and eventually cracking under pressure (which can lead us to an accident).

$73.19

Buy on Amazon →

View all 24 replacement options for size H11 →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

3157 Bulbs

Used for: Daytime Running Light Bulb(with HID headlights)

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Turn Signal)

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Tur...

Product benefits and features: Each bulb is quipped with 39pcs high power and high illumination 2835 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Equipped with projector-lens for fully 360° light output. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for replacing back-up reverse lights, turn signal lights, brake tail lights, daytime running lights(DRL) lamps.

Buy on Amazon →

KAKEMONO 3157 LED Amber Yellow Light Bulb

KAKEMONO 3157 LED Amber Yellow Light Bulb

Improve your car's lighting with the brilliant combination of brightness, energy efficiency, and broad compatibility offered by KAKEMONO BrightBeam 3157 LED Amber Yellow Bulbs. Built for multiple functions, these bulbs perform expertly to promise safety and style in each ride. BrightBeam LED bulbs are good for brake lights, turn signals, reverse lights, tail lights, and much more. Amber yellow in color and with a bright 400 lumens output, it gives better visibility and makes your vehicle more noticeable to others to improve safety on the road. Replacing traditional 40W halogen bulbs, these 4W LED bulbs reduce power consumption by a large margin while keeping very good brightness. Ceramic and aluminum housing allows for efficient heat dissipation, contributing to a longer lifespan and consistent performance over time. With a wide voltage input range of AC10-18V/DC10-30V, they are stable and work well on different vehicle models. They boast a 360° beam angle with no dark spots, providing super uniform light distribution. Plug-and-play installation, besides, makes upgrading your lighting a breeze. Note that some vehicles may require a load resistor to prevent hyper-flashing or dashboard error codes.

Buy on Amazon →

View all 12 replacement options for size 3157 →

2825 Bulbs

Used for: License Plate Light Bulb, Dome Light Bulb, Interior Door Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: License Plate Light Bulb, Dome Light Bulb, Interior Door Light Bulb

View all 10 replacement options for size 98 →

3757A Bulbs

Used for: Parking Light Bulb, Side Marker Light Bulb Front, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear

Vehicode 3757 Amber Bulbs

Vehicode 3757 Amber Bulbs

Featuring 32 SMD-3030 amber chips and 8 SMD-3030 white chips, the dual color switchback functionality is achieved in each 3757 LED bulb with T25 dual filament wedge base. These bulbs are powered by 30-Watt and deliver a super bright 3200 lumens light output. The turn signal light emits a vibrant 2700K amber yellow, while the daytime running light (DRL) or headlight parking light produces 4-Watt and 760 lumens of crisp 6000K white. For secure installation, the regular rubber grommet adapter is replaced with a sealing gasket and mounting screws. Simply twist and turn the bulb into the housing for a secure fit. This ensures the bulb's excellent performance in terms of waterproofing, dustproofing, and shockproofing. Additionally, the kit includes a heat-shrinkable tube to protect the connection between the plug and socket, safeguarding against water corrosion.

Buy on Amazon →

View all 10 replacement options for size 3757A →

194 Bulbs

Used for: Stepwell Light Bulb, Glove Box Light Bulb, Trunk or Cargo Area Light

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Stepwell Light Bulb, Glove Box 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

Buy on Amazon →

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.

Buy on Amazon →

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.

Buy on Amazon →

View all 12 replacement options for size 7065 →

This 2012 Buick LaCrosse bulb size guide helps you verify the correct bulb by lighting position, so you can replace the right lamp without guessing. Whether you are changing an exterior signal bulb, a reverse light, or an interior courtesy light, this page is organized to make fitment checks faster and easier.

Because the LaCrosse could be equipped with different lighting setups, the bulb chart is best used as a position-by-position reference. That is especially useful for owners comparing halogen and HID headlight systems, or checking whether a specific trim uses LED rear lighting and different front lighting components.

For the best fit, always confirm the trim, lighting package, and body style before ordering parts, since Buick used different bulb types on some versions of the 2012 LaCrosse. Halogen and LED setups are not interchangeable in every location, and aftermarket LED conversions may require additional adapters, resistors, or housings to work correctly. If you are replacing a bulb that has failed, it is smart to remove the installed bulb first and match the base and markings before buying a replacement. This is especially important for items like the fog lights, daytime running lights, and headlamps, where the correct bulb depends on the exact factory configuration.

FAQ

What bulb does the low beam use on a 2012 Buick LaCrosse?

The low beam headlight bulb is H11 on the listed halogen headlight setup. Some versions may use a different headlight system, so verify the installed parts before ordering.

What bulb is used for the high beam on this model?

The high beam bulb is H9 on the 2012 Buick LaCrosse with the halogen headlight configuration.

Does the 2012 Buick LaCrosse use a different bulb for HID headlights?

Yes. For the HID headlight setup, the headlight bulb listed is D1S for the high beam and low beam combination. This is different from the halogen H11 and H9 setup.

What is the reverse light bulb size?

The back up reverse light bulb is 921.

What bulbs are used for the license plate lights?

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

Which bulb fits the dome light and interior courtesy lights?

The dome light bulb, interior door light bulb, and several other interior lamps use 2825 or 98 on this page.

What bulb does the glove box light use?

The glove box light bulb is listed as 194 or 7441.

What are the trunk and stepwell light bulb sizes?

The trunk or cargo area light and the stepwell light bulb both use 194 or 7441.

What bulb is used for the front turn signal on the 2012 Buick LaCrosse?

The front turn signal light bulb is 3757A.

What bulb fits the rear turn signal and rear side marker?

The rear turn signal light bulb is 3757A, and the rear side marker light bulb is listed as LED on this page.

What bulb is used for the front parking light and front side marker?

The front parking light bulb and front side marker light bulb are both 3757A.

What is the fog light bulb size?

The front fog light bulb is listed as H11 LED or H16 LED, depending on the exact setup and conversion used.

What daytime running light bulb does the halogen headlight version use?

For models with halogen headlights, the daytime running light bulb is listed as H11 LED or H16 LED.

What daytime running light bulb does the HID headlight version use?

For models with HID headlights, the daytime running light bulb is listed as 3157.

Should I check the installed bulb before buying a replacement?

Yes. Checking the installed bulb is the safest way to confirm fitment, especially on the 2012 Buick LaCrosse because trim and lighting package differences can change the correct bulb in some positions.

Buick LaCrosse Bulb Size by Year