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2019 Acura TLX Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Fitment data needs verification

This page is available for browsing, but it is marked noindex until the core bulb data is complete and unresolved manual-review findings are cleared.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

2019 Acura TLX Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Fog LightFOG—If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

Amazon
Brake LightBRAKE—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Rear7440—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Reverse Light7440—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Trunk Light168—Multiple listed optionsHalogenMedium
Pending

Multiple listed options; confirm the bulb in your housing.

Amazon

2019 Acura TLX Fitment Notes

Our database shows the same listed bulb sizes for the Acura TLX across the 2015 to 2020 range. Still verify your trim, lighting package, and the bulb number in the housing before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 2019 Acura TLX's bulbs compare to other years?

The 2019 Acura TLX uses the same bulbs as the 2018 model.

The 2020 model continues with the same bulb sizes.

This bulb configuration covers the 2017–2020 model years. ← 2018 2020 →

Finding the best installation guide...

Other TLX Years

20202018201720162015

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Frequently Asked Questions

Our database lists N/A for the 2019 Acura TLX low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists N/A for the 2019 Acura TLX high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2019 Acura TLX can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed N/A size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists FOG for the 2019 Acura TLX fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2019 Acura TLX uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many N/A applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as N, and verify the factory housing before buying.

Our database has a fog light entry for the 2019 Acura TLX: FOG. Fog lights may still depend on trim or equipment package.

No — the 2019 Acura TLX uses the same bulb sizes as the 2018 model. This configuration has been consistent across the 2017–2020 generation.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed N/A low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen N/A replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 2019 Acura TLX.