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Acura TL 2012 Bulb Size
Bulb size chart
Fog Light Bulb Front - H11 LED, H16 LED
Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam - D2S
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - 9005
License Plate Light Bulb - 168, 917
Parking Light Bulb - 3457A
Side Marker Light Bulb Front - 168NA
Side Marker Light Bulb Rear - 168NA
Stepwell Light Bulb - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 3457A
Turn Signal Light Bulb Rear - 7440A
Dome Light Bulb - LED
Floor Console Compartment Light Bulb(Compare to original - Option 1) - 2721
Floor Console Compartment Light Bulb(Compare to original - Option 2) - 74
Glove Box Light Bulb - 2721
Interior Door Light Bulb - 158
Map Light Bulb - LED
Trunk or Cargo Area Light - DE3022
Vanity Mirror Light Bulb - 6615F
H11 LED Bulbs
Used for: Fog Light Bulb Front
H16 LED Bulbs
Used for: Fog Light Bulb Front
9005 Bulbs
Used for: Headlight Bulb High Beam, Daytime Running Light Bulb
D2S Bulbs
Used for: Headlight Bulb Low Beam
921 Bulbs
Used for: Back Up Reverse Light Bulb
168 Bulbs
Used for: License Plate Light Bulb
917 Bulbs
Used for: License Plate Light Bulb
3457A Bulbs
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
168NA Bulbs
Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear
7440A Bulbs
Used for: Turn Signal Light Bulb Rear
2721 Bulbs
Used for: Floor Console Compartment Light Bulb(Compare to original - Option 1), Glove Box Light Bulb
74 Bulbs
Used for: Floor Console Compartment Light Bulb(Compare to original - Option 2)
158 Bulbs
Used for: Interior Door Light Bulb
DE3022 Bulbs
Used for: Trunk or Cargo Area Light
6615F Bulbs
Used for: Vanity Mirror Light Bulb
This 2012 Acura TL bulb size guide is designed to help you verify the correct bulb by lighting position, so you can quickly match the right replacement for headlights, brake lights, interior lamps, and other exterior and cabin lights. Because Acura used different lighting setups depending on trim, package, market, and body style, checking the exact location on the vehicle is the best way to confirm fitment before you buy.
Use this page as a practical reference for the 2012 Acura TL when replacing a burned-out bulb or upgrading a light. The chart covers common positions such as low beam, high beam, fog lights, license plate lights, map lights, dome lights, reverse lights, and more, making it easier to narrow down the correct bulb size for each lamp on the car.
For the best fit, compare the bulb listed for your lighting position with the bulb already installed in your Acura TL, especially if your car has a premium lighting package or a market-specific setup. Some positions use LED assemblies, while others use halogen or HID-style bulbs, so do not assume every lamp can be swapped with a direct LED replacement without checking compatibility, polarity, and housing space. Aftermarket LED conversions may require additional parts or may not perform the same as the original bulb, especially in headlight and fog light applications. If you are unsure, remove the old bulb first and confirm the base type and markings before ordering.
FAQ
What bulb size does the 2012 Acura TL use for the low beam headlights?
The 2012 Acura TL low beam headlight bulb is listed as D2S. This is the bulb position used for the main dipped-beam headlamp function.
What bulb size is used for the high beam headlights on the 2012 Acura TL?
The high beam headlight bulb is 9005 on the 2012 Acura TL. This is separate from the low beam bulb size.
What is the daytime running light bulb for this Acura TL year?
The daytime running light bulb is 9005. On this model, the DRL and high beam bulb size are both listed as 9005, so it is important to confirm the correct lighting position before ordering.
What bulb size fits the front fog lights on a 2012 Acura TL?
The front fog light bulb is listed as H11 LED or H16 LED, depending on the exact setup. Because fitment can vary, check the installed bulb and housing before purchasing a replacement.
What bulb does the reverse light use?
The back up reverse light bulb is 921 on the 2012 Acura TL.
What bulb size is used for the license plate lights?
The license plate light bulb sizes are 168 and 917. Both are listed for this position, so verify which one matches your installed bulb.
What bulb is used for the rear turn signal on the 2012 Acura TL?
The rear turn signal light bulb is 7440A.
What bulb size is used for the front turn signal and parking light?
The front turn signal light bulb and the parking light bulb are both listed as 3457A.
What bulb size do the front and rear side marker lights use?
Both the front side marker light and rear side marker light are listed as 168NA.
What bulb is used for the dome light and map lights inside the cabin?
The dome light bulb is LED, and the map light bulb is also LED. These interior lights are listed as LED assemblies rather than a standard replaceable halogen bulb size.
What bulb size fits the glove box light?
The glove box light bulb is 2721 on the 2012 Acura TL.
What bulb is used for the trunk or cargo area light?
The trunk or cargo area light bulb is DE3022.
What bulb size is used for the vanity mirror light?
The vanity mirror light bulb is 6615F.
Are all 2012 Acura TL bulbs the same across every trim?
No. Trim, lighting package, market, and body style can affect the exact bulb setup. Always match the bulb to the specific lighting position on your vehicle.
Should I buy LED replacements for every bulb on my 2012 Acura TL?
Not necessarily. Some positions are already listed as LED, while others use halogen, HID, or specific base types. LED upgrades can work well in some interior and exterior locations, but headlight and fog light conversions should be checked carefully for fit, beam pattern, and compatibility.