What is the low beam headlight bulb size for a 2012 Infiniti M37?

The 2012 Infiniti M37 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 Infiniti M37?

The high beam bulb size for the 2012 Infiniti M37 is N/A.

Why are my 2012 Infiniti M37 headlights dim?

Dim headlights on a 2012 Infiniti M37 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 Infiniti M37 fog light?

The 2012 Infiniti M37 uses a H8 bulb for the fog light position.

Is the 2012 Infiniti M37 single or dual beam?

The 2012 Infiniti M37 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 Infiniti M37?

Yes, the 2012 Infiniti M37 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 Infiniti M37 have fog lights?

Yes, the 2012 Infiniti M37 takes a H8 bulb for the fog light position.

Did the 2012 Infiniti M37 change headlight bulb sizes from the previous year?

Yes — the 2012 Infiniti M37 uses different bulb sizes than the 2011 model. The 2012–2013 generation introduced this bulb configuration.

Is the 2012 Infiniti M37 the first or last year to use N/A bulbs?

The 2012 Infiniti M37 is the first year in the 2012–2013 generation to use the N/A bulb for the low beam headlight.

How do I change the headlight on a 2012 Infiniti M37?

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 Infiniti M37?

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 Infiniti M37 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 Infiniti M37?

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 Infiniti M37 is the first model year to use this bulb configuration (2012–2013).

Fitment Guaranteed for 2012 Infiniti M37

What Size Bulbs Does a 2012 Infiniti M37 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 Infiniti M37 Have?

Lighting on the 2012 Infiniti M37 is managed by a total of 7 bulbs, covering everything from primary headlights to signal indicators. It features a standard lighting system powered by a dual-bulb halogen configuration using separate low beam and high beam bulbs for precise light distribution. This model belongs to the mid years of the M37's 2011-2013 production span.

Can You Put LED Bulbs in a 2012 Infiniti M37?

Upgrading to LED is one of the most effective ways to modernize your Infiniti's appearance and safety profile. We recommend starting your upgrade with the low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H8 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2012 Infiniti M37 Bulb Size Chart

Position	Bulb Size	Shop
Fog Light	H8	Buy H8 →
Side Marker	168	Buy 168 →
Turn Signal Front	7440NA	Buy 7440NA →
Turn Signal Rear	7440NA	Buy 7440NA →
Parking Light	168	Buy 168 →
License Plate	168	Buy 168 →
Reverse Light	921	Buy 921 →

How do the 2012 Infiniti M37's bulbs compare to other years?

The 2012 Infiniti M37 changed bulb sizes from 2011. The previous model year used a different configuration.

The 2013 model continues with the same bulb sizes.

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

Finding the best installation guide...

Other M37 Years

2013 2011

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