Acura MDX 2022 Bulb Size
Bulb size chart
This page helps you find the correct bulb sizes for the 2022 Acura MDX by lighting position, so you can match the right replacement to the right socket. Whether you are replacing an interior lamp or an exterior signal bulb, checking the bulb chart by location is the easiest way to avoid ordering the wrong part.
For the 2022 Acura MDX, the listed bulb sizes include 194, DE3175, and 7440 depending on the lamp location. Use this guide to verify common fitment points such as the trunk or cargo area light, dome light, courtesy light, stepwell light, brake light, rear turn signal, and back up reverse light.
Fitment can vary by trim, lighting package, market, and body style, so always compare the bulb size on this page with the bulb already installed in your vehicle before buying replacements. Some 2022 Acura MDX models may use halogen bulbs in certain positions while others may have LED assemblies that are not serviced with a simple bulb swap. If you are considering an aftermarket LED conversion, make sure the bulb base, polarity, and physical clearance are compatible with the housing. The safest approach is to confirm the installed bulb type first, especially for exterior lights where different packages can change the exact setup.
FAQ
What bulb sizes are listed for the 2022 Acura MDX interior lights?
The interior-related bulb sizes shown for the 2022 Acura MDX include 194 and DE3175, depending on the lighting position. For example, the trunk or cargo area light and interior door light use 194, while the courtesy light, dome light, and stepwell light use DE3175.
What bulb size does the 2022 Acura MDX trunk or cargo area light use?
The trunk or cargo area light for the 2022 Acura MDX uses a 194 bulb.
What bulb size is used for the interior door light on a 2022 Acura MDX?
The interior door light bulb listed for the 2022 Acura MDX is 194.
Which bulb size fits the courtesy light on this model year?
The courtesy light bulb for the 2022 Acura MDX is listed as 194 or DE3175, depending on the exact lighting position and configuration.
What is the dome light bulb size for the 2022 Acura MDX?
The dome light bulb listed for the 2022 Acura MDX is DE3175.
What bulb size does the stepwell light use on a 2022 Acura MDX?
The stepwell light bulb for the 2022 Acura MDX is DE3175.
What bulb size is used for the brake light on the 2022 Acura MDX?
The brake light bulb listed for the 2022 Acura MDX is 7440.
What bulb size fits the rear turn signal light?
The rear turn signal light bulb for the 2022 Acura MDX is 7440.
What bulb size is used for the back up reverse light?
The back up reverse light bulb listed for the 2022 Acura MDX is 7440.
Can trim level affect the bulb size on a 2022 Acura MDX?
Yes. Trim and lighting package can change the exact bulb setup, especially between different market versions or body styles. Always verify the installed bulb before ordering.
Are all 2022 Acura MDX exterior lights simple bulb replacements?
Not always. Some exterior lighting on certain trims may use LED assemblies rather than replaceable bulbs. If the lamp is an LED unit, the bulb chart may not apply in the same way as a standard halogen or incandescent bulb.
Should I check the old bulb before buying a replacement?
Yes. Checking the installed bulb is the best way to confirm fitment, especially if your MDX has been modified or if the vehicle came with a different lighting package than expected.
Can I switch to LED bulbs in the 2022 Acura MDX?
In many cases, yes, but the replacement must match the socket and fit inside the housing. You should also confirm whether the vehicle needs polarity-compatible LEDs or additional load handling for exterior applications.