What is the low beam headlight bulb size for a 2010 Toyota Avalon?

The 2010 Toyota Avalon uses a HID-D4R LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2010 Toyota Avalon?

The high beam bulb size for the 2010 Toyota Avalon is 9011 LED.

Why are my 2010 Toyota Avalon headlights dim?

Dim headlights on a 2010 Toyota Avalon can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D4R LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2010 Toyota Avalon fog light?

The 2010 Toyota Avalon uses a H11 LED bulb for the fog light position.

Is the 2010 Toyota Avalon single or dual beam?

The 2010 Toyota Avalon uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2010 Toyota Avalon?

Yes, the 2010 Toyota Avalon comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D4R LED LED conversion kit for the low beams.

Does the 2010 Toyota Avalon have fog lights?

Yes, the 2010 Toyota Avalon takes a H11 LED bulb for the fog light position.

How do I change the headlight on a 2010 Toyota Avalon?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old HID-D4R LED bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 2010 Toyota Avalon?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved HID-D4R LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 2010 Toyota Avalon headlights?

A pair of HID HID-D4R LED bulbs costs $50 to $150. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 2010 Toyota Avalon?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the HID-D4R LED position are available as direct plug-and-play replacements.

This vehicle is part of the 2008–2010 Toyota Avalon generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 2010 Toyota Avalon

What Size Bulbs Does a 2010 Toyota Avalon Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$50 - $150 (HID System)

What Lighting System Does the 2010 Toyota Avalon Have?

Lighting on the 2010 Toyota Avalon is managed by a total of 13 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D4R projector housings for high-intensity output. This model belongs to the mid years of the Avalon's 1995-2022 production span.

Can You Put LED Bulbs in a 2010 Toyota Avalon?

The 2010 Toyota Avalon is already equipped with factory D4R HID/Xenon headlights. Since HID technology already provides exceptional brightness, we recommend staying with high-quality OEM replacement bulbs rather than attempting an LED retrofit for the primary headlights. However, the H11 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2010 Toyota Avalon Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D4R LED	Buy HID-D4R LED →
High Beam	9011 LED	Buy 9011 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	194	Buy 194 →
Turn Signal Front	3457AK	Buy 3457AK →
Turn Signal Rear	7440NA	Buy 7440NA →
Dome Light	168	Buy 168 →
License Plate	194	Buy 194 →
Map Light	168	Buy 168 →
Parking Light	3457AK	Buy 3457AK →
Reverse Light	921	Buy 921 →
Trunk Light	2825	Buy 2825 →

Installation Guide

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Other Avalon Years

2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995

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