What is the low beam headlight bulb size for a 1999 Toyota Avalon?

The 1999 Toyota Avalon uses a 9006 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 1999 Toyota Avalon?

The high beam bulb size for the 1999 Toyota Avalon is 9005 LED.

Why are my 1999 Toyota Avalon headlights dim?

Dim headlights on a 1999 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 9006 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1999 Toyota Avalon fog light?

The 1999 Toyota Avalon uses a H3 LED bulb for the fog light position.

Is the 1999 Toyota Avalon single or dual beam?

The 1999 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 1999 Toyota Avalon?

Yes, the 1999 Toyota Avalon comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED LED conversion kit for the low beams.

Does the 1999 Toyota Avalon have fog lights?

Yes, the 1999 Toyota Avalon takes a H3 LED bulb for the fog light position.

How do I change the headlight on a 1999 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 9006 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 1999 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 9006 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 1999 Toyota Avalon headlights?

A pair of halogen 9006 LED bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. 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 1999 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 9006 LED position are available as direct plug-and-play replacements.

This vehicle is part of the 1998–1999 Toyota Avalon generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 1999 Toyota Avalon

What Size Bulbs Does a 1999 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

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 1999 Toyota Avalon Have?

Owners of the 1999 Toyota Avalon will find a total of 13 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate 9006 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the early years of the Avalon's 1995-2022 production span.

Can You Put LED Bulbs in a 1999 Toyota Avalon?

For a Toyota built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. We recommend starting your upgrade with the 9006 LED low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1999 Toyota Avalon Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9006 LED	Buy 9006 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	921	Buy 921 →
Turn Signal Front	3157NA	Buy 3157NA →
Side Marker	168	Buy 168 →
Turn Signal Rear	7440	Buy 7440 →
Dome Light	DE3175	Buy DE3175 →
License Plate	168	Buy 168 →
Map Light	6253	Buy 6253 →
Parking Light	3157NA	Buy 3157NA →
Reverse Light	921	Buy 921 →
Trunk Light	6612F	Buy 6612F →

Installation Guide

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Other Avalon Years

2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1998 1997 1996 1995

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