Toyota 4Runner 2021 Bulb Size

Bulb size chart

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 Reverse Light Bulb

View all 14 replacement options for size 921 →

168 Bulbs

Used for: License Plate Light Bulb, Interior Door Light Bulb, Map Light Bulb

View all 17 replacement options for size 168 →

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 →

168NA Bulbs

Used for: Side Marker Light Bulb Front

View all 11 replacement options for size 168NA →

7440A Bulbs

Used for: Turn Signal Light Bulb Rear

View all 6 replacement options for size 7440A →

DE3175 Bulbs

Used for: Dome Light Bulb, Trunk or Cargo Area Light

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 →

917 Bulbs

Used for: Interior Door Light Bulb, Map Light Bulb

View all 12 replacement options for size 917 →

194 Bulbs

Used for: Vanity Mirror Light Bulb

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: Vanity Mirror Light Bulb

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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View all 13 replacement options for size 7441 →

Looking for the right bulbs for your 2021 Toyota 4Runner? This page helps you verify bulb sizes by lighting position so you can match the correct replacement for headlights, tail lights, interior lamps, and other exterior lights without guessing.

The 2021 Toyota 4Runner uses a mix of LED and replaceable bulb types depending on the lamp location. Use this guide to confirm the bulb size for each spot on the vehicle, whether you are replacing a burned-out bulb or planning a lighting upgrade.

Fitment can vary by trim, lighting package, market, and body style, so it is smart to confirm the bulb in your specific 2021 Toyota 4Runner before ordering. Some positions use LED assemblies, while others use standard replaceable bulbs such as 9005 for the high beam and daytime running light, H11 for the low beam, and 921 for the reverse light. If you are converting halogen lighting to LED aftermarket bulbs, make sure the new bulb matches the socket, beam pattern, and space available inside the housing. For the best results, check the installed bulb or the owner’s manual before purchase, especially for interior lights and signal bulbs where multiple sizes may appear in the same model year.

FAQ

What bulb size does the 2021 Toyota 4Runner use for the low beam headlight?

The low beam headlight bulb listed for the 2021 Toyota 4Runner is H11.

What bulb size is used for the high beam headlight?

The high beam headlight bulb listed for this model year is 9005.

Does the 2021 Toyota 4Runner use the same bulb for daytime running lights?

Yes, the daytime running light bulb is listed as 9005 on this page.

What is the reverse light bulb size on a 2021 Toyota 4Runner?

The back up reverse light bulb is listed as 921.

Are the brake lights and tail lights replaceable bulbs on this vehicle?

On this page, the center high mount stop light, brake light, tail light, and rear side marker light are listed as LED, so they are not shown here as standard replaceable bulb sizes.

What bulb does the front turn signal use?

The front turn signal light bulb is listed as 7444NA.

What bulb size is used for the rear turn signal?

The rear turn signal light bulb is listed as 7440A.

What bulb size is used for the front parking light?

The front parking light bulb is listed as 7444NA.

What bulb size is used for the front side marker light?

The front side marker light bulb is listed as 168NA.

What bulb size is used for the license plate light?

The license plate light bulb is listed as 168.

What bulb size is used for the map lights and interior door lights?

The map light bulb is listed as 168, 917, and the interior door light bulb is also listed as 168, 917.

What bulb size is used for the vanity mirror light?

The vanity mirror light bulb is listed as 194, 7441.

What bulb size is used for the dome light and cargo area light?

Both the dome light bulb and the trunk or cargo area light are listed as DE3175.

Can trim level affect bulb fitment on a 2021 Toyota 4Runner?

Yes. Trim and lighting package can change bulb fitment, so it is best to verify the exact bulb in your specific vehicle before buying replacements.

Toyota 4Runner Bulb Size by Year