What is the low beam headlight bulb size for a 2018 Subaru Crosstrek?

The 2018 Subaru Crosstrek uses a H11 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 Subaru Crosstrek?

The high beam bulb size for the 2018 Subaru Crosstrek is 9005.

Why are my 2018 Subaru Crosstrek headlights dim?

Dim headlights on a 2018 Subaru Crosstrek 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 conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2018 Subaru Crosstrek fog light?

The 2018 Subaru Crosstrek uses a H11 bulb for the fog light position.

Is the 2018 Subaru Crosstrek single or dual beam?

The 2018 Subaru Crosstrek uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2018 Subaru Crosstrek?

Yes, the 2018 Subaru Crosstrek comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H11 LED conversion kit for the low beams.

Does the 2018 Subaru Crosstrek have fog lights?

Yes, the 2018 Subaru Crosstrek takes a H11 bulb for the fog light position.

Did the 2018 Subaru Crosstrek change headlight bulb sizes from the previous year?

Yes — the 2018 Subaru Crosstrek uses different bulb sizes than the 2017 model. The 2018–2019 generation introduced this bulb configuration.

Is the 2018 Subaru Crosstrek the first or last year to use H11 bulbs?

The 2018 Subaru Crosstrek is the first year in the 2018–2019 generation to use the H11 bulb for the low beam headlight.

How do I change the headlight on a 2018 Subaru Crosstrek?

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 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 Subaru Crosstrek?

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 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 Subaru Crosstrek headlights?

A pair of halogen H11 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 Subaru Crosstrek?

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

The 2018 Subaru Crosstrek is the first model year to use this bulb configuration (2018–2019).

Fitment Guaranteed for 2018 Subaru Crosstrek

What Size Bulbs Does a 2018 Subaru Crosstrek 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 Subaru Crosstrek Have?

When it comes to nighttime visibility, the 2018 Subaru Crosstrek relies on an arrangement of 11 specialized bulbs. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H11 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the mid years of the Crosstrek's 2016-2022 production span.

Can You Put LED Bulbs in a 2018 Subaru Crosstrek?

Upgrading to LED is one of the most effective ways to modernize your Subaru's appearance and safety profile. We recommend starting your upgrade with the H11 low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H11 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2018 Subaru Crosstrek Bulb Size Chart

Position	Bulb Size	Shop
Fog Light	H11	Buy H11 →
Daytime Running	9005	Buy 9005 →
Low Beam	H11	Buy H11 →
High Beam	9005	Buy 9005 →
Side Marker	168	Buy 168 →
Turn Signal Rear	7440NA	Buy 7440NA →
Reverse Light	7440	Buy 7440 →
Tail Light	168	Buy 168 →
License Plate	168	Buy 168 →
Dome Light	DE3175	Buy DE3175 →
Map Light	DE3175	Buy DE3175 →