2021 Acura TLX Headlight Bulb Size

Using the 2021 Acura TLX bulb chart below, you can quickly identify the correct replacement lamp for all 3 positions of its lighting system.


Turn Signal Light Bulb Rear - 7440
LED
Back Up Reverse Light Bulb - 7443
Interior Door Light Bulb - 194

Replacement Bulb Size for the 2021 Acura TLX

Considering an upgrade from the Halogen to LED or HID headlights? Find below aftermarket replacements for OEM bulbs compatible with the 2021 Acura TLX's housing. Note that you may need additional equipment to install LED or Xenon bulbs despite the correct bulb size of the lamp.

2021 Acura TLX Turn Signal Rear bulb size - 7440

LED Lights

  • Standard 7440 Base can replace Stock Bulbs or Incandescents such as 7440NA 7441 992. Well matched with the original Incandescence lights. Easy plug-and-play installation - just...

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2021 Acura TLX Back Up bulb size - 7443

Halogen Lights

- Easy To Replace - Sylvania Long Life Miniature Bulbs are easy to install and show instant results. Designed for durability, greater safety, and lower maintenance...
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LED Lights

SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for...
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– Each bulb has 102 pcs high power 4014 led chips, with HD projector, stronger light penetration.
– 360 Degree lighting ensures optimal visibility, hollow...
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2021 Acura TLX Interior Door bulb size - 194

Halogen Lights

– Longer life than basic bulbs
– Legal for on road use
– OE (Original Equipment) Manufacturer
– Light bulbs dim over time and require...
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LED Lights

These T10 LED bulbs from AUXITO have 24 high-quality 3014 LED chips, giving off a bright 6000K white light at 240 Lumens while using just...
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Elevate your vehicle's lighting with AUXITO's 194 LED Light Bulb, merging top-notch performance with sleek aesthetics.

  • High-End LED: Each bulb boasts 24 premium 3014 LED chips,...

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Popular Headlights


Explore the custom LED headlight kits that will improve the visibility ahead of the 2021 Acura TLX at night. Made of quality materials, bright and long-lasting, they would be a perfect alternative to old or dimmed factory headlights. Explore more headlights for Acura TLX 2021 here.


Popular Taillights


A pair of custom tail lights is necessary if the people behind your 2021 Acura TLX are to be impressed. Consider direct bolt-on replacements powered by LED instead of worn-out or damaged tail lights.




Acura TLX 2021 bulb size chart specifies the recommended bulb part numbers and types for all positions of its lighting system, like headlights, fog lights, brake lights, side markers, etc.

If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your Acura TLX 2021 requires to fit into the housing and match the wattage and voltage specifications.

LightningLab project pulls information about the 2021 Acura TLX bulb sizes from the vehicle's manual and leading automotive lighting suppliers. All the data is classified and fact-checked by our editorial team.

The following chart with the 2021 Acura TLX bulb sizes is provided for informative purposes only. Consult the owner's manual or contact the dealership to double-check the correct bulb type, wattage, voltage, and whether it requires any additional equipment or modifications to be installed on the specific 2021 Acura TLX trim.

Ensure the bulb is "DOT" compliant to avoid legal issues.


FAQs

How to replace the 2021 Acura TLX headlight bulb?

First things first, you'll need the right 2021 Acura TLX bulb size. Of course, you may consult the owner's manual, but let's be honest, that's as dull. Instead, just look at the chart above or remove the old bulb to see its size. It's not rocket science; it's more like... bulb science.

Follow the simple step-by-step instructions:

  1. 1) Park the 2021 Acura TLX on an even surface and turn off the ignition.
  2. 2) Open the hood and pop it up.
  3. 3) Pull the lock bar up and out of the clip to fix the hood.
  4. 4) Identify the back of the headlight assembly where the bulb is housed.
  5. 5) You may need to remove other components to access it.
  6. 6) Locate the electrical connector at the back of the headlight compartment.
  7. 7) Press down on the locking tab and pull the connector away from the bulb.
  8. 8) Remove the Old Bulb. Depending on your trim, you may need to:
    1. a) Unscrew a retaining ring
    2. b) Unclip a metal pin
    3. c) Rotate the bulb counterclockwise
  9. 9) Insert the new bulb without touching the glass.
  10. 10) Plug the electrical connector back, making sure it clicks into place.
  11. 11) Turn on the headlights to test the new bulb.
  12. 12) You may need to aim your headlights.



Reviewed by Brent Ordway

Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.

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Acura TLX Bulb Chart By Years

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