What is the low beam headlight bulb size for a 2011 Infiniti M37?

The 2011 Infiniti M37 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 2011 Infiniti M37?

The high beam bulb size for the 2011 Infiniti M37 is HID-D2S LED.

Why are my 2011 Infiniti M37 headlights dim?

Dim headlights on a 2011 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 HID-D2S LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2011 Infiniti M37 fog light?

The 2011 Infiniti M37 uses a H8 LED bulb for the fog light position.

Is the 2011 Infiniti M37 single or dual beam?

The 2011 Infiniti M37 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 2011 Infiniti M37?

Yes, the 2011 Infiniti M37 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 2011 Infiniti M37 have fog lights?

Yes, the 2011 Infiniti M37 takes a H8 LED bulb for the fog light position.

How do I change the headlight on a 2011 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 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 2011 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 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 2011 Infiniti M37 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 2011 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 HID-D2S LED position are available as direct plug-and-play replacements.

The 2011 Infiniti M37 has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2011 Infiniti M37

What Size Bulbs Does a 2011 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

$50 - $150 (HID System)

What Lighting System Does the 2011 Infiniti M37 Have?

When it comes to nighttime visibility, the 2011 Infiniti M37 relies on an arrangement of 12 specialized bulbs. 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 M37's 2011-2013 production span.

Can You Put LED Bulbs in a 2011 Infiniti M37?

The 2011 Infiniti M37 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 H8 LED fog lights are typically halogen and are excellent candidates for an LED upgrade to match the color temperature of your HID headlights.

2011 Infiniti M37 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	HID-D2S LED	Buy HID-D2S LED →
High Beam	HID-D2S LED	Buy HID-D2S LED →
Fog Light	H8 LED	Buy H8 LED →
Brake Light	LED Bulb	Buy LED Bulb →
Side Marker	168	Buy 168 →
Turn Signal Front	7440NA LED	Buy 7440NA LED →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Dome Light	175	Buy 175 →
License Plate	168	Buy 168 →
Parking Light	168	Buy 168 →
Reverse Light	921	Buy 921 →
Trunk Light	158	Buy 158 →

How do the 2011 Infiniti M37's bulbs compare to other years?

The 2012 model switched to a different bulb configuration.

This bulb configuration covers the 2011 model years. 2012 →

Finding the best installation guide...

Other M37 Years

2013 2012

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