Toyota 4Runner 2018 Bulb Size

Bulb size chart

Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam - H11
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - 9005
License Plate Light Bulb - 168, 917
Parking Light Bulb - 7444NA
Side Marker Light Bulb Front - 168NA
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440A
Dome Light Bulb - DE3175
Interior Door Light Bulb - 168, 917
Map Light Bulb - 168, 917
Trunk or Cargo Area Light - DE3175
Vanity Mirror Light Bulb - 194, 7441

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 →

917 Bulbs

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

View all 12 replacement options for size 917 →

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

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

Amber 7440 Bulb Used For Turn Signals Light Bulb, Including Front And Rear Turn Signals, Not For Other Position. CANBUS Ready For 98% Vehicle, No Interference, No Hyperflash, And No Error Code, Donnot Need Extra Load Resistors. Plug& Play Bulb Easily To Be Installed Within 10 Mins.  Premium quality 6063 aluminum alloy material ensure the light bulb with good heat dissipation and bring low energy consumption. IP68 waterproof and good construction ensure the bulb works well between -40 degree~ 80 degree environment.

$19.99

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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 →

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 →

This 2018 Toyota 4Runner bulb size guide helps you verify the correct bulbs by lighting position, so you can replace the right part the first time. Whether you are changing a headlight, a rear lamp, or a small interior bulb, matching the bulb to the exact location is the easiest way to avoid fitment mistakes.

The 2018 Toyota 4Runner uses a mix of LED and halogen-style bulbs depending on the lamp position. This page organizes the available bulb sizes by function, including headlights, turn signals, reverse lights, license plate lights, dome lights, and cargo area lighting, so you can quickly compare the correct bulb type for your vehicle.

Fitment can vary by trim, lighting package, market, and body style, so it is smart to confirm the bulb already installed in your 4Runner before buying replacements. Some positions on this model use LED assemblies, while others use replaceable halogen bulbs such as 9005, H11, 921, 7444NA, 7440A, 168NA, and DE3175. If you are considering aftermarket LED conversions, make sure the bulb base, polarity, and housing clearance are compatible, since a bulb that physically fits may still cause warning lights, glare, or poor beam pattern. Checking the old bulb and comparing it with the chart is the best way to avoid returns and get the right match.

FAQ

What are the low beam headlight bulb sizes for a 2018 Toyota 4Runner?

The low beam headlight bulb size listed for the 2018 Toyota 4Runner is H11.

What bulb does the high beam use on a 2018 Toyota 4Runner?

The high beam headlight bulb size is 9005.

What size is the daytime running light bulb on this model?

The daytime running light bulb size listed for the 2018 Toyota 4Runner is 9005.

What bulb is used for the front turn signal?

The front turn signal light bulb size is 7444NA.

What bulb is used for the rear turn signal?

The rear turn signal light bulb size is 7440A.

What is the reverse light bulb size?

The back up reverse light bulb size is 921.

What bulb fits the license plate lights?

The license plate light bulb sizes listed are 168 and 917.

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

Both the dome light and the trunk or cargo area light use DE3175 bulbs.

What bulb size is used for the vanity mirror light?

The vanity mirror light bulb size listed is 194 or 7441.

Are the brake lights and center high mount stop light replaceable bulbs on the 2018 Toyota 4Runner?

The chart lists the brake light bulb, center high mount stop light bulb, tail light bulb, and rear side marker light bulb as LED. On many vehicles, that means the lamp is an LED unit rather than a simple replaceable bulb, so confirm the exact assembly before ordering parts.

What bulb is used for the front side marker light?

The front side marker light bulb size is 168NA.

What bulb is used for the rear side marker light?

The rear side marker light bulb is listed as LED.

Can trim level or lighting package change the bulb size on a 2018 Toyota 4Runner?

Yes. Trim, lighting package, market, and body style can affect the exact lighting setup, so it is always best to verify the installed bulb or lamp assembly before purchase.

Should I choose halogen or LED replacements for my 4Runner?

Use the bulb type that matches your housing and your goals. Halogen replacements are usually the simplest direct fit, while LED upgrades may need extra attention to compatibility, beam pattern, and warning-canceling features.

What is the safest way to confirm the correct bulb before replacing it?

Remove the old bulb and compare its base and markings with the bulb chart for your 2018 Toyota 4Runner. This is especially helpful for positions that can vary by trim or may use LED assemblies.

Toyota 4Runner Bulb Size by Year