What is the low beam headlight bulb size for a 2020 Toyota Sienna?

The 2020 Toyota Sienna uses a HID-D4S 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 2020 Toyota Sienna?

The high beam bulb size for the 2020 Toyota Sienna is 9005 LED.

Why are my 2020 Toyota Sienna headlights dim?

Dim headlights on a 2020 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-D4S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2020 Toyota Sienna fog light?

The 2020 Toyota Sienna uses a H11 LED bulb for the fog light position.

Is the 2020 Toyota Sienna single or dual beam?

The 2020 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 2020 Toyota Sienna?

Yes, the 2020 Toyota Sienna comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D4S LED LED conversion kit for the low beams.

Does the 2020 Toyota Sienna have fog lights?

Yes, the 2020 Toyota Sienna takes a H11 LED bulb for the fog light position.

Did the 2020 Toyota Sienna change headlight bulb sizes from the previous year?

Yes — the 2020 Toyota Sienna uses different bulb sizes than the 2019 model. The 2020 generation introduced this bulb configuration.

Is the 2020 Toyota Sienna the first or last year to use HID-D4S LED bulbs?

The 2020 Toyota Sienna is the only year in the 2020 generation to use the HID-D4S LED bulb for the low beam headlight.

How do I change the headlight on a 2020 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-D4S 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 2020 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-D4S 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 2020 Toyota Sienna headlights?

A pair of HID HID-D4S 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 2020 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-D4S LED position are available as direct plug-and-play replacements.

The 2020 Toyota Sienna has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2020 Toyota Sienna

What Size Bulbs Does a 2020 Toyota Sienna Use?

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

Installation Difficulty

Moderate (Dust covers often present)

Est. Replacement Cost

$50 - $150 (HID System)

What Lighting System Does the 2020 Toyota Sienna Have?

The 2020 Toyota Sienna utilizes a refined lighting configuration featuring 16 distinct bulb positions. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D4S projector housings for high-intensity output. This model belongs to the late years of the Sienna's 1998-2020 production span.

Can You Put LED Bulbs in a 2020 Toyota Sienna?

The 2020 Toyota Sienna is already equipped with factory D4S 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.

2020 Toyota Sienna Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D4S LED	Buy HID-D4S LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	7443	Buy 7443 →
Side Marker	168	Buy 168 →
Turn Signal Front	7444NA LED	Buy 7444NA LED →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Reverse Light	921	Buy 921 →
Dome Light	2825	Buy 2825 →
License Plate	168	Buy 168 →
Map Light	2825	Buy 2825 →
Parking Light	7444NA	Buy 7444NA →
Trunk Light	DE3022	Buy DE3022 →
Daytime Running	9005	Buy 9005 →
Tail Light	168	Buy 168 →
Door Light	194	Buy 194 →

How do the 2020 Toyota Sienna's bulbs compare to other years?

The 2020 Toyota Sienna changed bulb sizes from 2019. The previous model year used a different configuration.

This bulb configuration covers the 2020 model years. ← 2019

Finding the best installation guide...

Other Sienna Years

2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998

More from Toyota

4Runner 4Runner Fog 86 86 Fog Avalon C-HR Camry Camry Fog

Other Vehicles That Use HID-D4S LED Bulbs

2019 Mitsubishi Mirage 2018 Subaru Crosstek 2017 Lexus LS460 2017 Subaru Legacy 2017 Subaru Outback 2016 Mazda 3