Nissan Altima 2021 Bulb Size

Bulb size chart

Fog Light Bulb Front - LED
Headlight Bulb High Beam - 9005
Headlight Bulb High Beam and Low Beam - LED
Headlight Bulb Low Beam - H11
Back Up Light Bulb - 921
Brake Light Bulb - 7443R
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - 9005, LED
License Plate Light Bulb - LED
Parking Light Bulb - 7444NA, LED
Side Marker Light Bulb Front - 2825, LED
Side Marker Light Bulb Rear - 2825
Tail Light Bulb Inner - 2825R
Tail Light Bulb Outer - 7443R
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440
Dome Light Bulb - DE3175
Interior Door Light Bulb - 194
Trunk or Cargo Area Light - 158

9005 Bulbs

Used for: Headlight Bulb High Beam, Daytime Running Light Bulb

View all 30 replacement options for size 9005 →

H11 Bulbs

Used for: Headlight Bulb Low Beam

PIAA 15211 H11 Xtreme White Plus

PIAA 15211 H11 Xtreme White Plus

Xtreme White Hybrid bulbs are worth it if you want the lightest possible. They're brighter and provide better contrast versus stock, allowing drivers to see farther with greater safety on dark roads or high traffic areas like city streets at night time - because these lights don't have any filters that would interfere with their visibility! Made from quality materials such as quartz glass alongside our special alloy filaments which reflect heat much more efficiently than common metals do; this means they will last longer without getting too hot and eventually cracking under pressure (which can lead us to an accident).

$73.19

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View all 24 replacement options for size H11 →

921 Bulbs

Used for: Back Up Light Bulb

View all 14 replacement options for size 921 →

7443R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb Outer

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal / Tail

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal /...

Upgrade your vehicle with the MAXGTRS 7443R Red LED Light Bulbs, delivering 360° illumination that is six times brighter than the average, thanks to their 4-sided light source and Auto Grade 3570 LED Chips. These bulbs produce a striking 24w 4000 lumens of red light, enhancing your driving safety by covering a wider area. Additionally, the bulbs’ Plug & Play design offers convenience, preventing hyper flash and error warnings without the need for extra resistors or parts. Choose the MAXGTRS 7443R Red LED Light Bulbs for a blend of bright, reliable, and easy-to-install lighting for your vehicle.

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Alla Lighting 7443R Red Flashing Light Bulb

Alla Lighting 7443R Red Flashing Light Bulb

Elevate your driving experience with Alla Lighting 7443R Red Flashing Light Bulbs. Each bulb boasts 39 high power 2835 SMD LEDs, delivering a combined 2000 lumens of vibrant light. Equipped with a smart IC driver and a projector-lens, these bulbs offer 360° light output and a stable, long-lasting performance of up to 30,000 hours. Designed for versatility, they are the perfect replacement for back-up reverse lights, brake tail lights, and center high-mounted stop lights (3rd brake lights) lamps. The bulbs feature an aluminum heat sink for optimal heat dissipation and operate efficiently within a wide voltage range of 9V~30V, thanks to the built-in intelligent IC driver.

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View all 10 replacement options for size 7443R →

7444NA Bulbs

Used for: Parking Light Bulb, Turn Signal Light Bulb Front

TUINCYN 7444NA W21W LED White Light Bulb

TUINCYN 7444NA W21W LED White Light Bulb

Introducing the TUINCYN 7444NA W21W LED White Light Bulb, a reliable and easy-to-install lighting solution for your car. With its advanced features and impressive specifications, this bulb is designed to provide bright and efficient illumination, enhancing your driving experience. Installation is a breeze with the TUINCYN 7444NA W21W LED White Light Bulb. It is a plug and play bulb, which means no complicated wiring or modifications are needed. Simply remove your old bulb and insert the TUINCYN LED bulb into the socket for an instant upgrade. It's a hassle-free process that saves you time and effort. The light body structure of this bulb is designed for durability and longevity. With point-to-point welding, the light body is firm and not easily damaged. This ensures that the bulb can withstand various road conditions and vibrations, providing you with a reliable lighting solution that will last. Experience exceptional lighting coverage with the 360-degree beam angle design of the TUINCYN LED bulb. This design ensures that every corner is illuminated, leaving no dark spots or shadows. Whether you're driving in the city or on winding roads, you can rely on the TUINCYN LED bulb to provide clear and consistent lighting. With its faster on/off response time, the TUINCYN 7444NA W21W LED White Light Bulb delivers instant illumination when activated. This quick response ensures that other drivers can easily see your vehicle, enhancing safety on the road.

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View all 11 replacement options for size 7444NA →

2825 Bulbs

Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear

View all 12 replacement options for size 2825 →

2825R Bulbs

Used for: Tail Light Bulb Inner

Jtech 2825 LED Red Light Bulbs

Jtech 2825 LED Red Light Bulbs

Discover the pinnacle of quality and technology with our Superior Quality Product. Manufactured using the latest advancements, this product features Genuine High Quality 3 Chip SMD 5050 PREMIUM LEDs and Module, ensuring unrivaled performance and longevity. With pure color uniformity at DC12V, you can expect exceptional illumination that elevates your driving experience. Designed for versatile use, this product is perfect for a wide range of applications. Whether you need it for Indicator lights, Interior dome lights, Parking lights, Sidelights, Corner lights, Number plate lights, and more, this product has you covered. Enjoy the convenience and flexibility of using one product for multiple purposes, making it a valuable addition to your vehicle's lighting system. In the event that the bulbs don't light up properly after inserting them into the socket, we have a simple solution for you. Just try inserting them oppositely or flip the bulb horizontally to ensure the correct + and - polarity match. Additionally, if you find the bulb slightly loose or experiencing poor contact in the socket, try gently pulling the pins on the base outwards. This will provide a better fit and establish a solid connection, ensuring optimal performance.

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KATUR 2825 Red Light Bulbs LED

KATUR 2825 Red Light Bulbs LED

Introducing the KATUR 2825 Red Light Bulbs LED, the perfect lighting solution to add a touch of vibrancy and style to your vehicle. Designed with exceptional features, these bulbs offer superior performance and durability. With a T10 base type and equipped with high-quality SMDs, these bulbs are built to withstand shaking and vibration, ensuring reliable performance even in challenging conditions. The 360-degree beam angle eliminates hot spots, providing a consistent and uniform illumination that enhances the overall aesthetics of your vehicle. Experience the brilliance of the 3030 SMD LEDs, with a quantity of 3 LEDs per bulb. These high-power LEDs emit a striking red color that adds a bold and captivating presence to your vehicle. Compared to traditional incandescent bulbs, the KATUR 2825 Red Light Bulbs LED offer significantly brighter illumination while consuming minimal power, ensuring energy efficiency without compromising on performance. Upgrade your lighting game with these KATUR bulbs and enjoy the benefits of their advanced technology. Experience enhanced visibility and a stylish red glow that will make your vehicle stand out from the crowd. With their superior quality and small power consumption, these bulbs are the ideal choice for those seeking both aesthetics and efficiency.

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View all 12 replacement options for size 2825R →

7440 Bulbs

Used for: Turn Signal Light Bulb Rear

View all 8 replacement options for size 7440 →

DE3175 Bulbs

Used for: Dome Light Bulb

EBAIFUN 31mm DE3175 Led Bulbs, White

EBAIFUN 31mm DE3175 Led Bulbs, White

Introducing our high-performance 31mm DE3175 DE3021 DE3022 DE3023 festoon LED bulbs! These bulbs are designed to provide superior illumination and enhance the overall lighting experience in your vehicle. With a sleek and compact design, these bulbs are a perfect replacement for your existing car light bulbs. Equipped with 24-SMD 4014 type chipsets, these bulbs deliver an impressive brightness of approximately 400Lm, casting a brilliant 6000K white light. The stable light body structure ensures consistent and reliable performance, instantly upgrading the lighting system of your car. One of the key advantages of these LED bulbs is their exceptional lifespan. With a longevity of over 50,000 hours, you can rely on these bulbs to illuminate your path for years to come. The input current protection feature safeguards the circuit and ensures a safe temperature range, preventing any potential damage.

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Marsauto DE3175 LED Interior Bulb

Marsauto DE3175 LED Interior Bulb

Product Benefits: More Longevity: Built-in constant current IC for long lifespan, 5 times longer than a halogen bulb. Vibration resistant, energy-saving, low power consumption to reach a long LED bulb life up to 50,000 hours. Wide Application: Interior dome lights, map lights, license plate lights, parking lights, corner lights, trunk lights, side marker lights, courtesy lights, cargo lights, trunk lights, stepwell lights, vanity lights, etc. Easy Installation: The DE3175 LED Light bulb is easy to install, just plug and play! If it doesn’t light up, please flip it 180 degrees then it should light up

$8.99

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View all 14 replacement options for size DE3175 →

194 Bulbs

Used for: Interior Door Light Bulb

View all 21 replacement options for size 194 →

158 Bulbs

Used for: Trunk or Cargo Area Light

WLJH Super Bright Ice Blue T10 Light Bulbs

WLJH Super Bright Ice Blue T10 Light Bulbs

The WLJH Super Bright Ice Blue T10 Light Bulbs are a great way to upgrade the lighting system in your vehicle. With a 300-lumen output and 3-SMD LED 3030 chipset, these bulbs are 300% brighter than traditional incandescent bulbs. The latest LED technology ensures no flickering, no UV light emission, and no IR radiation. Installation is a breeze with a simple plug-and-play design that requires no polarity adjustments, soldering, or modifications. The high-quality aluminum body of the bulb provides low-temperature operation and low power consumption, and the long-lasting life of up to 60,000 hours will keep your vehicle looking its best. The bulbs fit into a universal T10 standard socket, making them an excellent choice for customization and upgrade.

$7.99

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View all 12 replacement options for size 158 →

This page helps you verify bulb sizes for the 2021 Nissan Altima by lighting position, so you can match the correct replacement before you buy. Because the Altima may use different lighting setups depending on trim, package, and market, checking the exact lamp location is the safest way to confirm fitment.

For the 2021 Nissan Altima, the chart below covers exterior and interior bulbs such as low beam, high beam, fog lights, turn signals, brake lights, license plate lights, dome lights, and cargo area lighting. Use it as a quick reference when replacing a single bulb or planning a full lighting upgrade.

Fitment can vary on the 2021 Altima depending on trim level, factory LED equipment, and body style, so always compare the bulb position on your car with the chart before ordering. Some versions use LED assemblies instead of replaceable bulbs, while others use halogen bulbs in specific locations such as the H11 low beam or 9005 high beam. If you are considering an aftermarket LED conversion, make sure the bulb base, polarity, beam pattern, and housing compatibility are appropriate for your headlights and signal lights. The best practice is to inspect the installed bulb first, especially for interior and rear lamps, because a visual check can prevent ordering the wrong size or style.

FAQ

What bulb size does the 2021 Nissan Altima use for the low beam headlight?

The listed low beam bulb size for the 2021 Nissan Altima is H11 on halogen-equipped versions. Some trims may use LED headlight assemblies instead, so confirm what is installed on your car before buying.

What bulb size is used for the high beam headlight on the 2021 Altima?

The chart lists 9005 for the high beam headlight on halogen-equipped models. If your Altima has factory LED headlights, the high beam may be part of an LED assembly rather than a replaceable bulb.

Does the 2021 Nissan Altima use LED fog lights?

Yes, the available bulb chart shows the front fog light bulb as LED. On LED-equipped cars, the fog light may be a sealed unit or integrated module, so replacement method can differ from a standard bulb swap.

What is the front turn signal bulb size on a 2021 Nissan Altima?

The front turn signal bulb is listed as 7444NA. This is a useful reference when replacing the front signal lamp on models that use a replaceable bulb.

What bulb does the rear turn signal use?

The rear turn signal bulb is listed as 7440. Always check the lamp housing on your specific Altima, since trim and market differences can affect the exact setup.

What are the brake light and outer tail light bulb sizes?

Both the brake light bulb and the outer tail light bulb are listed as 7443R. That makes it easier to replace matching rear lamps together if needed.

What bulb size is used for the inner tail light on the 2021 Altima?

The inner tail light bulb is listed as 2825R. This is separate from the outer tail/brake lamp, so be sure to identify the correct rear lamp position before ordering.

What bulb size is used for the back up light?

The back up light bulb is listed as 921. If one reverse light is out, it is often smart to replace both sides at the same time for even brightness.

What are the license plate light and side marker bulb sizes?

The license plate light is listed as LED, and the front and rear side marker bulbs are listed as 2825. Some vehicles may have LED license plate lighting as a complete module rather than a simple bulb.

What interior bulbs are listed for the 2021 Nissan Altima?

The chart includes the interior door light bulb as 194, the dome light bulb as DE3175, and the trunk or cargo area light as 158. These are common service items when interior lighting starts to dim or fail.

Can trim level or package change the bulb size on this car?

Yes. Trim and lighting package can vary by market and body style, and that can change whether a lamp uses a replaceable bulb or an LED assembly. Always match the bulb position on your exact vehicle.

Should I check the installed bulb before ordering replacements?

Yes. Checking the installed bulb is the best way to avoid mistakes, especially on the 2021 Altima where some lights may be halogen on one version and LED on another. A quick inspection can save time and prevent returns.

Nissan Altima Bulb Size by Year