What is the low beam headlight bulb size for a 2004 Subaru WRX?

The 2004 Subaru WRX uses a H1 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 2004 Subaru WRX?

The high beam bulb size for the 2004 Subaru WRX is 9005 LED.

Why are my 2004 Subaru WRX headlights dim?

Dim headlights on a 2004 Subaru WRX can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H1 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2004 Subaru WRX fog light?

The 2004 Subaru WRX uses a H3 LED bulb for the fog light position.

Is the 2004 Subaru WRX single or dual beam?

The 2004 Subaru WRX uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2004 Subaru WRX?

Yes, the 2004 Subaru WRX comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H1 LED LED conversion kit for the low beams.

Does the 2004 Subaru WRX have fog lights?

Yes, the 2004 Subaru WRX takes a H3 LED bulb for the fog light position.

Did the 2004 Subaru WRX change headlight bulb sizes from the previous year?

Yes — the 2004 Subaru WRX uses different bulb sizes than the 2003 model. The 2004–2005 generation introduced this bulb configuration.

Is the 2004 Subaru WRX the first or last year to use H1 LED bulbs?

The 2004 Subaru WRX is the first year in the 2004–2005 generation to use the H1 LED bulb for the low beam headlight.

How do I change the headlight on a 2004 Subaru WRX?

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 H1 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 2004 Subaru WRX?

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 H1 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 2004 Subaru WRX headlights?

A pair of halogen H1 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 2004 Subaru WRX?

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 H1 LED position are available as direct plug-and-play replacements.

The 2004 Subaru WRX is the first model year to use this bulb configuration (2004–2005).

Fitment Guaranteed for 2004 Subaru WRX

What Size Bulbs Does a 2004 Subaru WRX 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 2004 Subaru WRX Have?

When it comes to nighttime visibility, the 2004 Subaru WRX relies on an arrangement of 14 specialized bulbs. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H1 LED low beam and 9005 LED high beam bulbs for precise light distribution. This model belongs to the early years of the WRX's 2002-2021 production span.

Can You Put LED Bulbs in a 2004 Subaru WRX?

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 H1 LED low beams, as they see the most use. Adding a matching 9005 LED LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2004 Subaru WRX Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H1 LED	Buy H1 LED →
High Beam	9005 LED	Buy 9005 LED →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	921 LED	Buy 921 LED →
Side Marker	168 LED	Buy 168 LED →
Turn Signal Front	7440 LED	Buy 7440 LED →
Turn Signal Rear	7440NA LED	Buy 7440NA LED →
Reverse Light	7440	Buy 7440 →
Dome Light	DE3175	Buy DE3175 →
License Plate	168	Buy 168 →
Map Light	DE3175	Buy DE3175 →
Parking Light	168	Buy 168 →
Trunk Light	921	Buy 921 →
Tail Light	7443	Buy 7443 →

How do the 2004 Subaru WRX's bulbs compare to other years?

The 2004 Subaru WRX changed bulb sizes from 2003. The previous model year used a different configuration.

The 2005 model continues with the same bulb sizes.

This bulb configuration covers the 2004–2005 model years. ← 2003 2005 →

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Other WRX Years

2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2003 2002

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