What is the low beam headlight bulb size for a 1991 Acura NSX?

The 1991 Acura NSX uses a 9006 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1991 Acura NSX?

The high beam bulb size for the 1991 Acura NSX is 9005.

Why are my 1991 Acura NSX headlights dim?

Dim headlights on a 1991 Acura NSX can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9006 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1991 Acura NSX fog light?

The 1991 Acura NSX typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 1991 Acura NSX single or dual beam?

The 1991 Acura NSX uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1991 Acura NSX?

Yes, the 1991 Acura NSX comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9006 LED conversion kit for the low beams.

How do I change the headlight on a 1991 Acura NSX?

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 9006 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 1991 Acura NSX?

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 9006 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 1991 Acura NSX headlights?

A pair of halogen 9006 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 1991 Acura NSX?

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 9006 position are available as direct plug-and-play replacements.

The 1991 Acura NSX has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1991 Acura NSX

What Size Bulbs Does a 1991 Acura NSX 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 1991 Acura NSX Have?

Owners of the 1991 Acura NSX will find a total of 12 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate 9006 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the early years of the NSX's 1991-2019 production span.

Can You Put LED Bulbs in a 1991 Acura NSX?

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 9006 low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance.

1991 Acura NSX Bulb Size Chart

Position	Bulb Size	Shop
High Beam	9005	Buy 9005 →
Side Marker	168	Buy 168 →
Low Beam	9006	Buy 9006 →
Turn Signal Front	3497	Buy 3497 →
Turn Signal Rear	3497	Buy 3497 →
Reverse Light	1156	Buy 1156 →
Parking Light	3652	Buy 3652 →
Tail Light	168	Buy 168 →
Dome Light	DE3022	Buy DE3022 →
Map Light	DE3022	Buy DE3022 →
Door Light	DE3021	Buy DE3021 →
Trunk Light	DE3021	Buy DE3021 →

How do the 1991 Acura NSX's bulbs compare to other years?

The 1993 model switched to a different bulb configuration.

This bulb configuration covers the 1991 model years. 1993 →

Finding the best installation guide...

Other NSX Years

2019 2018 2017 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993

Other Vehicles That Use 9006 Bulbs

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9006 Comparisons

9005 vs 9006 9006 vs H11 9006 vs HB4