What is the low beam headlight bulb size for a 2004 Toyota Sienna?

The 2004 Toyota Sienna uses a HID-D2R 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 2004 Toyota Sienna?

The high beam bulb size for the 2004 Toyota Sienna is 9005 LED.

Why are my 2004 Toyota Sienna headlights dim?

Dim headlights on a 2004 Toyota Sienna can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D2R LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2004 Toyota Sienna fog light?

The 2004 Toyota Sienna uses a H3 LED bulb for the fog light position.

Is the 2004 Toyota Sienna single or dual beam?

The 2004 Toyota Sienna uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2004 Toyota Sienna?

Yes, the 2004 Toyota Sienna comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D2R LED LED conversion kit for the low beams.

Does the 2004 Toyota Sienna have fog lights?

Yes, the 2004 Toyota Sienna takes a H3 LED bulb for the fog light position.

How do I change the headlight on a 2004 Toyota Sienna?

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-D2R 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 2004 Toyota Sienna?

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-D2R 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 2004 Toyota Sienna headlights?

A pair of HID HID-D2R 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 2004 Toyota Sienna?

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-D2R LED position are available as direct plug-and-play replacements.

Fitment Guaranteed for 2004 Toyota Sienna

What Size Bulbs Does a 2004 Toyota Sienna 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 2004 Toyota Sienna Have?

Lighting on the 2004 Toyota Sienna is managed by a total of 12 bulbs, covering everything from primary headlights to signal indicators. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D2R projector housings for high-intensity output. This model belongs to the mid years of the Sienna's 1998-2020 production span.

Can You Put LED Bulbs in a 2004 Toyota Sienna?

The 2004 Toyota Sienna is already equipped with factory D2R 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 H3 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2004 Toyota Sienna Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D2R LED	Buy HID-D2R LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	7443 LED	Buy 7443 LED →
Turn Signal Front	3157A LED	Buy 3157A LED →
Turn Signal Rear	7440 LED or 7506 LED	Buy 7440 LED or 7506 LED →
Reverse Light	921	Buy 921 →
License Plate	168	Buy 168 →
Map Light	168	Buy 168 →
Parking Light	3157A	Buy 3157A →
Trunk Light	DE3022	Buy DE3022 →

Installation Guide

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Other Sienna Years

2020 2019 2018 2017 2015 2014 2013 2012 2011 2010 2009 2008 2006 2005 2003 2000 1999 1998

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