What is the low beam headlight bulb size for a 2018 Honda Fit?

The 2018 Honda Fit uses a 9003 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 2018 Honda Fit?

The high beam bulb size for the 2018 Honda Fit is 9003 LED.

Why are my 2018 Honda Fit headlights dim?

Dim headlights on a 2018 Honda Fit can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9003 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2018 Honda Fit fog light?

The 2018 Honda Fit uses a H8 bulb for the fog light position.

Is the 2018 Honda Fit single or dual beam?

The 2018 Honda Fit 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 2018 Honda Fit?

Yes, the 2018 Honda Fit comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9003 LED LED conversion kit for the low beams.

Does the 2018 Honda Fit have fog lights?

Yes, the 2018 Honda Fit takes a H8 bulb for the fog light position.

Did the 2018 Honda Fit change headlight bulb sizes from the previous year?

Yes — the 2018 Honda Fit uses different bulb sizes than the 2017 model. The 2018 generation introduced this bulb configuration.

Is the 2018 Honda Fit the first or last year to use 9003 LED bulbs?

The 2018 Honda Fit is the only year in the 2018 generation to use the 9003 LED bulb for the low beam headlight.

How do I change the headlight on a 2018 Honda Fit?

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 9003 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 2018 Honda Fit?

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 9003 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 2018 Honda Fit headlights?

A pair of halogen 9003 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 2018 Honda Fit?

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 9003 LED position are available as direct plug-and-play replacements.

The 2018 Honda Fit has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2018 Honda Fit

What Size Bulbs Does a 2018 Honda Fit Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Moderate (Dust covers often present)

Est. Replacement Cost

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

What Lighting System Does the 2018 Honda Fit Have?

The 2018 Honda Fit utilizes a refined lighting configuration featuring 8 distinct bulb positions. It features a comprehensive lighting system powered by a halogen-based setup where a single 9003 LED dual-filament bulb handles both low and high beam duties within the same reflector. This model belongs to the late years of the Fit's 2007-2020 production span.

Can You Put LED Bulbs in a 2018 Honda Fit?

Upgrading to LED is one of the most effective ways to modernize your Honda's appearance and safety profile. Since your Fit uses a single 9003 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Don't forget the H8 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2018 Honda Fit Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9003 LED	Buy 9003 LED →
High Beam	9003 LED	Buy 9003 LED →
Daytime Running	H4	Buy H4 →
Side Marker	168	Buy 168 →
Fog Light	H8	Buy H8 →
License Plate	168	Buy 168 →
Reverse Light	7440	Buy 7440 →
Turn Signal Rear	7440	Buy 7440 →

How do the 2018 Honda Fit's bulbs compare to other years?

The 2018 Honda Fit changed bulb sizes from 2017. The previous model year used a different configuration.

The 2019 model switched to a different bulb configuration.

This bulb configuration covers the 2018 model years. ← 2017 2019 →

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Other Fit Years

2020 2019 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007

Other Vehicles That Use 9003 LED Bulbs

2023 Kia Rio 2021 Toyota Tundra 2019 MINI Cooper 2019 Nissan Micra 2019 Nissan Versa 2019 Toyota Yaris