Used for: Back Up Reverse Light Bulb
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Stepwell Light Bulb, Trunk or Cargo Area Light
Used for: Glove Box Light Bulb
Used for: Interior Door Light Bulb
Used for: Interior Door Light Bulb
This page helps you verify bulb sizes for the 2021 Nissan Maxima by lighting position, so you can match the correct bulb to the exact lamp on the car. Whether you are replacing an exterior signal, an interior courtesy light, or a cargo-area bulb, checking the position first is the easiest way to avoid ordering the wrong part.
On the 2021 Nissan Maxima, many lighting locations use LED assemblies, while a few serviceable positions still use replaceable bulbs. That means fitment can vary depending on where the bulb is installed, and this page is organized to help you compare each lighting point before you buy.
For best fitment, always confirm the trim level, lighting package, and market version of your Maxima, since equipment can differ by body style and region. Some lighting functions may be factory LED units, while others may use halogen-style service bulbs or specific replacement sizes in certain positions. If you are considering an aftermarket LED conversion, check polarity, beam pattern, and error-free compatibility before installation. It is also smart to remove the installed bulb and compare it to the replacement before purchasing, especially for interior and exterior lamps where similar-looking bulbs can have different bases or lengths.
The low beam headlight on the 2021 Nissan Maxima is listed as LED. Because it is an LED headlight setup, the service approach is different from a standard replaceable halogen bulb.
The high beam headlight is listed as LED on the 2021 Nissan Maxima. Verify the exact lamp configuration on your vehicle before ordering replacement parts.
The front fog light bulb is listed as LED. If you are replacing the fog light assembly or upgrading it, confirm the trim and lighting package first.
Yes, the brake light bulb is listed as LED on this model year. In many cases, that means the light is part of an LED assembly rather than a traditional replaceable bulb.
The rear turn signal light bulb is listed as LED. Always check the installed lamp type before buying, since lighting equipment can vary by market and trim.
The back up reverse light bulb is listed as 921. This is one of the few positions on the page with a specific replaceable bulb size.
The license plate light bulb is listed as 2825 or 98. Either size may appear depending on the exact lamp configuration, so compare the old bulb before purchase.
The interior door light bulb is listed as 194 or 7441. These are common service bulbs, but the installed version should still be checked for the best match.
The glove box light bulb is listed as 2721. This is a helpful reference if your glove box lamp has gone dim or stopped working.
The trunk or cargo area light uses bulb size 158. This is a straightforward replacement item, but it is still wise to verify the existing bulb before ordering.
Yes, the dome light and map light bulbs are listed as LED. Depending on the exact trim and package, these may be integrated LED units rather than simple plug-in bulbs.
Because trim, package, and market differences can change the lighting setup. Checking the installed bulb helps confirm the base, size, and type so you avoid returns and installation issues.
