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

The 2005 Acura MDX uses a H11 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 MDX?

The high beam bulb size for the 2005 Acura MDX is 9005 LED.

Why are my 2005 Acura MDX headlights dim?

Dim headlights on a 2005 Acura MDX can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H11 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2005 Acura MDX fog light?

The 2005 Acura MDX uses a 9006 LED bulb for the fog light position.

Is the 2005 Acura MDX single or dual beam?

The 2005 Acura MDX 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 MDX?

Yes, the 2005 Acura MDX comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H11 LED LED conversion kit for the low beams.

Does the 2005 Acura MDX have fog lights?

Yes, the 2005 Acura MDX takes a 9006 LED bulb for the fog light position.

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

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 H11 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 MDX?

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 H11 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 MDX headlights?

A pair of halogen H11 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 2005 Acura MDX?

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 H11 LED position are available as direct plug-and-play replacements.

This vehicle is part of the 2004–2006 Acura MDX generation. All models in this range share identical light bulb sizes.

Fitment Guaranteed for 2005 Acura MDX

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

The 2005 Acura MDX utilizes a refined lighting configuration featuring 13 distinct bulb positions. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H11 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the early years of the MDX's 2004-2020 production span.

Can You Put LED Bulbs in a 2005 Acura MDX?

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 H11 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 9006 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2005 Acura MDX Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H11 LED	Buy H11 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	9006 LED	Buy 9006 LED →
Brake Light	7440	Buy 7440 →
Dome Light	904	Buy 904 →
Side Marker	194	Buy 194 →
Turn Signal Front	3357	Buy 3357 →
License Plate	168	Buy 168 →
Map Light	904	Buy 904 →
Parking Light	194 or 3357	Buy 194 or 3357 →
Turn Signal Rear	7440A	Buy 7440A →
Reverse Light	921	Buy 921 →
Trunk Light	DE3175	Buy DE3175 →