Lexus RX 350 2010 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED
Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam(with halogen headlights) - H11
Headlight Bulb Low Beam(with HID headlights) - D4S
Back Up Reverse Light Bulb - 921
Daytime Running Light Bulb - 9005
Parking Light Bulb - 168
Side Marker Light Bulb Front - 168NA
Side Marker Light Bulb Rear - 168NA
Stepwell Light Bulb - 194
Tail Light Bulb - 168R
Turn Signal Light Bulb Front - 7440A
Turn Signal Light Bulb Rear - 7440A
Interior Door Light Bulb - 168
Map Light Bulb - 168
Trunk or Cargo Area Light - DE3022

H11 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H11 LED →

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(with halogen headlights)

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 →

D4S Bulbs

Used for: Headlight Bulb Low Beam(with HID headlights)

View all 12 replacement options for size D4S →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

168 Bulbs

Used for: Parking Light Bulb, Interior Door Light Bulb, Map Light Bulb

View all 17 replacement options for size 168 →

168NA Bulbs

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

View all 11 replacement options for size 168NA →

194 Bulbs

Used for: Stepwell Light Bulb

View all 21 replacement options for size 194 →

168R Bulbs

Used for: Tail Light Bulb

LASFIT 168 Red Light Bulb - for Tail Center High Mount Stop Lights

LASFIT 168 Red Light Bulb - for Tail Center High Mount St...

Experience the brilliance of Lasfit L Series bulbs, radiating an astonishingly luminous and distinct light. With their striking metal design, these bulbs effortlessly elevate your vehicle's appearance. Upgrading your factory halogen bulb to LED is a breeze, thanks to their user-friendly installation. Enhancing visibility is just the beginning, as these high-performance bulbs add a touch of sophistication, ensuring your car stands out among the rest.

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View all 11 replacement options for size 168R →

7440A Bulbs

Used for: Turn Signal Light Bulb Front, 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 →

DE3022 Bulbs

Used for: Trunk or Cargo Area Light

Yorkim DE3022 LED Bulb 31mm Festoon LED Bulb

Yorkim DE3022 LED Bulb 31mm Festoon LED Bulb

Super Bright 10-SMD 4014 Chipset - 360-degree lighting angle design, No blind spot, 300% brighter than stock lamps Latest LED Technology - No flickering, No UV light Emission, & No IR radiation; Easy plug-and-play installation High-Quality Aluminum Body - Low temperature, low power consumption, & long-lasting life of up to 50,000 hours. Fitment- Fit numerous applications - DE3021 DE3022 DE3023 DE3175 3021 3022 3528 3175 6428 6430 7065 6614 6614F 6641 12818 12842 30922 F30-WHP TS-14V1CP bulbs.

$11.99

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TUINCYN DE3022 1.25

TUINCYN DE3022 1.25

Used for Dome Light, Map Light, Trunk Light, License Plate Light, Side Marker, Backup Light, Side Door Courtesy Light, Luggage Compartment Light, Cargo Light, etc. Product Benefits: Easy to install, Just plug and play, no wiring needed. Point to point welding, the light body structure and firm, not easy to damage. Energy efficient with new LED technology reduces power consumption. 360 Degree Beam Angle design lights up every corner. Faster on/off response time.  

$9.99

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View all 12 replacement options for size DE3022 →

This page lists the bulb sizes for the 2010 Lexus RX 350 so you can verify the correct replacement by lighting position before you buy. Whether you are changing a headlight, interior lamp, or rear signal bulb, matching the bulb to the exact location helps avoid fitment mistakes and returns.

The 2010 Lexus RX 350 may use different bulbs depending on trim, lighting package, and market. That is especially important for the low beam headlights, since some vehicles use halogen low beams while others use HID low beams. Use the bulb chart on this page as a position-by-position guide for the most common fitments.

For best results, compare the bulb listed here with the bulb already installed in your vehicle before ordering, especially if your RX 350 has been modified or uses aftermarket lighting. Trim and package differences can change the headlight setup, and halogen to LED conversions may require additional parts or may not fit the housing correctly. If you are replacing a bulb with an LED upgrade, make sure the base, depth, and connector style still match the original application. Checking the existing bulb and the owner’s manual can save time and help ensure a proper fit.

FAQ

What is the low beam bulb size for a 2010 Lexus RX 350 with halogen headlights?

The low beam bulb size for halogen headlights is H11.

What is the low beam bulb size for a 2010 Lexus RX 350 with HID headlights?

The low beam bulb size for HID headlights is D4S.

What bulb does the high beam use on the 2010 Lexus RX 350?

The high beam bulb size is 9005.

What bulb is used for the daytime running light on this model?

The daytime running light bulb size is 9005.

What is the front fog light bulb size for the 2010 Lexus RX 350?

The front fog light bulb is listed as H11 LED.

What bulb fits the front turn signal on the 2010 Lexus RX 350?

The front turn signal bulb size is 7440A.

What bulb fits the rear turn signal on the 2010 Lexus RX 350?

The rear turn signal bulb size is 7440A.

What is the reverse light bulb size?

The back up reverse light bulb size is 921.

What bulb is used for the parking light?

The parking light bulb size is 168.

What bulb fits the map light in the 2010 Lexus RX 350?

The map light bulb size is 168.

What bulb is used for the interior door light?

The interior door light bulb size is 168.

What bulb fits the stepwell light?

The stepwell light bulb size is 194.

What bulb is used for the front and rear side marker lights?

Both the front side marker light and rear side marker light use 168NA.

What bulb fits the trunk or cargo area light?

The trunk or cargo area light bulb size is DE3022.

What is the tail light bulb size on this vehicle?

The tail light bulb size is 168R.

Why does the bulb size page mention trim and lighting package differences?

Because the 2010 Lexus RX 350 can have different headlight systems and market-specific lighting setups, so the correct bulb can vary by configuration.

Should I trust the bulb chart or the bulb already in my vehicle?

Use both if possible. The chart is a helpful guide, but checking the installed bulb is the best way to confirm fitment before purchase.

Lexus RX 350 Bulb Size by Year