What is the low beam headlight bulb size for a 2012 Acura TSX?

The 2012 Acura TSX uses a N/A bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2012 Acura TSX?

The high beam bulb size for the 2012 Acura TSX is 9005.

Why are my 2012 Acura TSX headlights dim?

Dim headlights on a 2012 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 N/A LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2012 Acura TSX fog light?

The 2012 Acura TSX uses a H11 bulb for the fog light position.

Is the 2012 Acura TSX single or dual beam?

The 2012 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 2012 Acura TSX?

Yes, the 2012 Acura TSX comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a N/A LED conversion kit for the low beams.

Does the 2012 Acura TSX have fog lights?

Yes, the 2012 Acura TSX takes a H11 bulb for the fog light position.

Did the 2012 Acura TSX change headlight bulb sizes from the previous year?

Yes — the 2012 Acura TSX uses different bulb sizes than the 2011 model. The 2012 generation introduced this bulb configuration.

Is the 2012 Acura TSX the first or last year to use N/A bulbs?

The 2012 Acura TSX is the only year in the 2012 generation to use the N/A bulb for the low beam headlight.

How do I change the headlight on a 2012 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 N/A 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 2012 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 N/A 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 2012 Acura TSX headlights?

A pair of halogen N/A 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 2012 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 N/A position are available as direct plug-and-play replacements.

The 2012 Acura TSX has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2012 Acura TSX

What Size Bulbs Does a 2012 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

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

What Lighting System Does the 2012 Acura TSX Have?

The 2012 Acura TSX utilizes a refined lighting configuration featuring 14 distinct bulb positions. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the late years of the TSX's 2004-2014 production span.

Can You Put LED Bulbs in a 2012 Acura TSX?

Upgrading to LED is one of the most effective ways to modernize your Acura's appearance and safety profile. We recommend starting your upgrade with the low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2012 Acura TSX Bulb Size Chart

Position	Bulb Size	Shop
High Beam	9005	Buy 9005 →
Side Marker	7528	Buy 7528 →
Fog Light	H11	Buy H11 →
Turn Signal Front	7528	Buy 7528 →
Parking Light	7528	Buy 7528 →
Reverse Light	7440	Buy 7440 →
Brake Light	7440	Buy 7440 →
Turn Signal Rear	7440NA	Buy 7440NA →
Tail Light	168	Buy 168 →
License Plate	168	Buy 168 →
Trunk Light	168	Buy 168 →
Door Light	194	Buy 194 →
Dome Light	DE3175	Buy DE3175 →
Map Light	DE3175	Buy DE3175 →

How do the 2012 Acura TSX's bulbs compare to other years?

The 2012 Acura TSX changed bulb sizes from 2011. The previous model year used a different configuration.

The 2013 model switched to a different bulb configuration.

This bulb configuration covers the 2012 model years. ← 2011 2013 →

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Other TSX Years

2014 2013 2011 2010 2009 2008 2007 2006 2005 2004