What is the low beam headlight bulb size for a 2005 Acura TSX?

The 2005 Acura TSX uses a HID-D2S 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 2005 Acura TSX?

The high beam bulb size for the 2005 Acura TSX is H1 LED.

Why are my 2005 Acura TSX headlights dim?

Dim headlights on a 2005 Acura TSX can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a HID-D2S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2005 Acura TSX fog light?

The 2005 Acura TSX uses a H11 LED bulb for the fog light position.

Is the 2005 Acura TSX single or dual beam?

The 2005 Acura TSX uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2005 Acura TSX?

Yes, the 2005 Acura TSX comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a HID-D2S LED LED conversion kit for the low beams.

Does the 2005 Acura TSX have fog lights?

Yes, the 2005 Acura TSX takes a H11 LED bulb for the fog light position.

Did the 2005 Acura TSX change headlight bulb sizes from the previous year?

Yes — the 2005 Acura TSX uses different bulb sizes than the 2004 model. The 2005 generation introduced this bulb configuration.

Is the 2005 Acura TSX the first or last year to use HID-D2S LED bulbs?

The 2005 Acura TSX is the only year in the 2005 generation to use the HID-D2S LED bulb for the low beam headlight.

How do I change the headlight on a 2005 Acura TSX?

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-D2S 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 2005 Acura TSX?

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-D2S 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 2005 Acura TSX headlights?

A pair of HID HID-D2S 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 2005 Acura TSX?

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-D2S LED position are available as direct plug-and-play replacements.

The 2005 Acura TSX has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2005 Acura TSX

What Size Bulbs Does a 2005 Acura TSX 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 2005 Acura TSX Have?

The 2005 Acura TSX utilizes a refined lighting configuration featuring 15 distinct bulb positions. It features an extensive lighting system powered by premium factory HID/Xenon technology utilizing D2S projector housings for high-intensity output. This model belongs to the early years of the TSX's 2004-2014 production span.

Can You Put LED Bulbs in a 2005 Acura TSX?

The 2005 Acura TSX is already equipped with factory D2S 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.

2005 Acura TSX Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D2S LED	Buy HID-D2S LED →
High Beam	H1 LED	Buy H1 LED →
Fog Light	H11 LED	Buy H11 LED →
Brake Light	7440	Buy 7440 →
Dome Light	DE3175	Buy DE3175 →
Turn Signal Front	7440	Buy 7440 →
License Plate	168	Buy 168 →
Side Marker	168	Buy 168 →
Map Light	DE3175	Buy DE3175 →
Parking Light	168	Buy 168 →
Turn Signal Rear	7440	Buy 7440 →
Reverse Light	7440	Buy 7440 →
Trunk Light	168	Buy 168 →
Tail Light	7443	Buy 7443 →
Door Light	194	Buy 194 →

How do the 2005 Acura TSX's bulbs compare to other years?

The 2005 Acura TSX changed bulb sizes from 2004. The previous model year used a different configuration.

The 2006 model switched to a different bulb configuration.

This bulb configuration covers the 2005 model years. ← 2004 2006 →

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Other TSX Years

2014 2013 2012 2011 2010 2009 2008 2007 2006 2004

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