Acura MDX 2020 Bulb Size
Bulb size chart
This 2020 Acura MDX bulb size page is designed to help you quickly verify the correct bulb by lighting position. Whether you are replacing an exterior lamp or a small interior bulb, matching the socket location is the easiest way to avoid ordering the wrong part.
The 2020 Acura MDX uses different bulb types depending on the light location, and some trims or lighting packages may vary. Use the chart on this page to confirm the bulb size for each position before you buy, especially if you are replacing a rear signal, backup light, or cabin light.
Fitment can vary by trim, market, and body style, so it is smart to compare the bulb in your vehicle with the listing before ordering. Some 2020 Acura MDX models may use halogen bulbs in certain positions while others may have LED assemblies or different package-specific hardware. If you are considering an aftermarket LED conversion, make sure the bulb base, polarity, and available space inside the housing are compatible. For the most reliable result, check the installed bulb number or remove the bulb and match it directly before purchase, especially for interior lights and rear lighting positions.
FAQ
What bulb size is used for the 2020 Acura MDX trunk or cargo area light?
The trunk or cargo area light uses bulb size 168 on this 2020 Acura MDX bulb chart.
What is the rear turn signal bulb size on a 2020 Acura MDX?
The rear turn signal light bulb size listed for the 2020 Acura MDX is 7440.
What bulb fits the back up light on the 2020 Acura MDX?
The back up light bulb size shown for this model year is 7440.
What size is the glove box light bulb on a 2020 Acura MDX?
The glove box light bulb size is 2721 for the 2020 Acura MDX.
What bulb size is used for the stepwell light on a 2020 Acura MDX?
The stepwell light bulb size listed is DE3022.
What is the vanity mirror light bulb size for the 2020 Acura MDX?
The vanity mirror light bulb size is 6612F.
What bulb size fits the brake light on a 2020 Acura MDX?
The brake light bulb size shown on this page is 7440R.
What is the interior door light bulb size for the 2020 Acura MDX?
The interior door light bulb size listed is 158, and it is marked as optional on the raw bulb list.
Do all 2020 Acura MDX trims use the same bulbs?
Not always. Trim level, lighting package, market, and body style can change the bulb setup, so it is best to confirm the exact position on your vehicle.
Can I replace a halogen bulb with an LED bulb in my 2020 Acura MDX?
Sometimes, but not every position is a direct swap. You need to confirm the base type, fitment, and whether the housing supports an LED replacement without issues.
Why should I check the installed bulb before buying a replacement?
Checking the installed bulb helps confirm the exact size and avoids ordering the wrong part, especially when the same model year can have different lighting configurations.
Are the rear turn signal and back up light bulbs the same on this page?
Yes, both positions are listed as 7440 on the 2020 Acura MDX bulb chart.