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Acura TLX 2022 Bulb Size
Bulb size chart
7443 Bulbs
Used for: Back Up Reverse Light Bulb
7440 Bulbs
Used for: Turn Signal Light Bulb Rear
194 Bulbs
Used for: Interior Door Light Bulb
The 2022 Acura TLX uses different bulb sizes depending on the lighting position, so the safest way to shop is by matching the bulb to the exact location on the car. This page is designed to help you verify the correct bulb size for the 2022 Acura TLX by lighting position, rather than guessing from a generic parts listing.
For this model year, the available bulb chart rows on this page include the interior door light bulb, rear turn signal light bulb, and back up reverse light bulb. Because trim and lighting equipment can vary, always confirm the bulb type for your specific 2022 Acura TLX before ordering replacements.
Fitment can vary by trim, package, market, and body style, especially on vehicles that may use different halogen or LED lighting setups. If your TLX has been converted with aftermarket bulbs or accessories, the bulb size listed for the factory configuration may not match what is currently installed. The best practice is to check the bulb already in the vehicle before buying, compare the base and connector style, and make sure the replacement is compatible with the original housing and electrical system. This is especially important for exterior bulbs, where the wrong type can trigger warning messages, poor beam pattern, or fast flashing.
FAQ
What bulb size does the 2022 Acura TLX use for the interior door light?
The bulb chart for this page lists the interior door light bulb as 194 for the 2022 Acura TLX.
What is the rear turn signal bulb size for the 2022 Acura TLX?
The rear turn signal light bulb listed for the 2022 Acura TLX is 7440.
What bulb size is used for the back up reverse light on the 2022 Acura TLX?
The back up reverse light bulb listed for the 2022 Acura TLX is 7443.
Why should I check bulb size by lighting position instead of by model name only?
Different lighting positions on the same vehicle can use different bulb sizes. Checking by position helps you match the exact bulb to the interior door light, rear turn signal, or reverse light instead of buying the wrong one.
Do all 2022 Acura TLX trims use the same bulbs?
Not always. Trim level, lighting package, market, and body style can affect the bulb used in a specific position, so it is best to verify your exact vehicle before purchase.
Can the 2022 Acura TLX have LED lighting in some positions and bulb replacements in others?
Yes. Some lighting functions may use LED assemblies while others still use replaceable bulbs. That is why it is important to confirm the exact lighting position on your TLX before ordering parts.
How can I confirm the correct bulb before I buy a replacement?
Check the bulb already installed in the vehicle, compare the printed number on the bulb if available, and match the base, connector, and housing style to the replacement listing.
Will an aftermarket LED bulb always fit the 2022 Acura TLX?
Not necessarily. Even if the base fits, an aftermarket LED may not work correctly with the factory housing or electrical system. Fitment, polarity, heat management, and warning messages should all be checked before purchase.
What should I do if my 2022 Acura TLX has a lighting package that differs from the chart?
Use the chart as a starting point, then verify the installed bulb on your specific vehicle. Package differences can change the bulb type, especially on exterior lighting.
Is the rear turn signal bulb the same as the reverse light bulb on the 2022 Acura TLX?
No. The rear turn signal uses 7440, while the back up reverse light uses 7443 on this page. They are different bulb sizes and should not be assumed interchangeable.
Can I replace just one bulb on my 2022 Acura TLX?
Yes, you can replace a single failed bulb, but many owners prefer to replace bulbs in pairs for more even light output, especially on exterior lamps.
What is the main benefit of using this year page for the 2022 Acura TLX?
It gives you a quick way to verify bulb sizes by lighting position for the 2022 Acura TLX, which helps reduce ordering mistakes and makes replacement faster and easier.