Toyota Avalon 2018 Bulb Size

Bulb size chart

Headlight Bulb High Beam and Low Beam - LED
Headlight Bulb High Beam(with halogen headlights) - 9005
Headlight Bulb High Beam(with LED headlights) - LED
Headlight Bulb Low Beam(with halogen headlights) - 9005
Headlight Bulb Low Beam(with HID headlights) - D4S
Headlight Bulb Low Beam(with LED headlights) - LED
Back Up Reverse Light Bulb - 921
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb(with halogen headlights) - 9005
Daytime Running Light Bulb(with HID headlights) - LED
License Plate Light Bulb - LED
Parking Light Bulb - 7444NA
Side Marker Light Bulb Front(with halogen headlights) - 168NA
Side Marker Light Bulb Front(with LED headlights) - LED
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 921

9005 Bulbs

Used for: Headlight Bulb High Beam(with halogen headlights), Headlight Bulb Low Beam(with halogen headlights), Daytime Running Light Bulb(with halogen headlights)

View all 30 replacement options for size 9005 →

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, Turn Signal Light Bulb Rear

View all 14 replacement options for size 921 →

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(with halogen headlights)

View all 11 replacement options for size 168NA →

This 2018 Toyota Avalon bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Because the Avalon was offered with different headlight setups and lighting packages, the bulb used for one trim may not be the same as another.

Use the listings on this page to check the bulb size for headlights, brake lights, turn signals, license plate lights, reverse lights, and other exterior lamps. That makes it easier to replace a burned-out bulb or confirm the correct fit when comparing halogen, HID, and LED-equipped models.

Fitment on the 2018 Avalon can vary by trim, package, market, and body style, so always confirm the lighting type on the vehicle before ordering. Halogen, HID, and LED headlight systems use different bulb arrangements, and some positions may already be LED from the factory. If you are considering an aftermarket conversion, make sure the replacement bulb is compatible with the housing and electrical system, especially for headlight and daytime running light applications. The safest approach is to inspect the installed bulb or the original lamp assembly first, then match that information to the bulb chart before purchase.

FAQ

What bulb size does the 2018 Toyota Avalon use for the low beam headlights?

It depends on the headlight package. Halogen low beams use 9005, HID low beams use D4S, and LED headlight setups use LED modules listed for the vehicle.

What bulb size does the 2018 Toyota Avalon use for the high beam headlights?

Halogen high beams use 9005. Vehicles with LED headlights use the LED headlight bulb listing shown for that lighting package.

What bulb size is used for the daytime running lights on a 2018 Avalon with halogen headlights?

The daytime running light bulb for halogen headlight models is 9005.

What bulb size is used for the daytime running lights on a 2018 Avalon with HID headlights?

The daytime running light bulb for HID headlight models is LED, as listed for that configuration.

Are the front turn signal bulbs the same on every 2018 Toyota Avalon?

No. The front turn signal bulb listed for the Avalon is 7444NA, but always confirm the headlight package and market-specific setup before ordering.

What bulb size is used for the rear turn signals on the 2018 Avalon?

The rear turn signal bulb is 921.

What bulb size is used for the reverse lights on the 2018 Toyota Avalon?

The back up reverse light bulb is 921.

What bulb size is used for the parking lights on the 2018 Avalon?

The parking light bulb is 7444NA.

What bulb size is used for the front side marker light on halogen headlight models?

For Avalon models with halogen headlights, the front side marker light bulb is 168NA.

What bulb size is used for the front side marker light on LED headlight models?

For Avalon models with LED headlights, the front side marker light bulb is LED.

What bulb size is used for the rear side marker light on the 2018 Avalon?

The rear side marker light bulb is LED.

What bulb size is used for the brake lights and center high mount stop light?

Both the brake light bulb and the center high mount stop light bulb are LED on this Avalon listing.

What bulb size is used for the license plate lights on the 2018 Toyota Avalon?

The license plate light bulb is LED.

Should I check the installed bulb before buying replacements?

Yes. Checking the installed bulb is the best way to confirm fitment, especially if your Avalon has a different trim, lighting package, or a previous aftermarket conversion.

Toyota Avalon Bulb Size by Year