What is the low beam headlight bulb size for a 2009 Honda Ridgeline?

The 2009 Honda Ridgeline uses a H4 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 2009 Honda Ridgeline?

The high beam bulb size for the 2009 Honda Ridgeline is N/A.

Why are my 2009 Honda Ridgeline headlights dim?

Dim headlights on a 2009 Honda Ridgeline can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H4 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 2009 Honda Ridgeline fog light?

The 2009 Honda Ridgeline uses a H11 bulb for the fog light position.

Is the 2009 Honda Ridgeline single or dual beam?

The 2009 Honda Ridgeline uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 2009 Honda Ridgeline?

Yes, the 2009 Honda Ridgeline comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H4 LED conversion kit for the low beams.

Does the 2009 Honda Ridgeline have fog lights?

Yes, the 2009 Honda Ridgeline takes a H11 bulb for the fog light position.

Did the 2009 Honda Ridgeline change headlight bulb sizes from the previous year?

Yes — the 2009 Honda Ridgeline uses different bulb sizes than the 2008 model. The 2009 generation introduced this bulb configuration.

Is the 2009 Honda Ridgeline the first or last year to use H4 bulbs?

The 2009 Honda Ridgeline is the only year in the 2009 generation to use the H4 bulb for the low beam headlight.

How do I change the headlight on a 2009 Honda Ridgeline?

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 H4 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 2009 Honda Ridgeline?

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 H4 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 2009 Honda Ridgeline headlights?

A pair of halogen H4 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 2009 Honda Ridgeline?

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 H4 position are available as direct plug-and-play replacements.

The 2009 Honda Ridgeline has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 2009 Honda Ridgeline

What Size Bulbs Does a 2009 Honda Ridgeline 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 2009 Honda Ridgeline Have?

The 2009 Honda Ridgeline utilizes a refined lighting configuration featuring 13 distinct bulb positions. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H4 low beam and high beam bulbs for precise light distribution. This model belongs to the early years of the Ridgeline's 2006-2022 production span.

Can You Put LED Bulbs in a 2009 Honda Ridgeline?

Upgrading to LED is one of the most effective ways to modernize your Honda's appearance and safety profile. We recommend starting your upgrade with the H4 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 H11 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2009 Honda Ridgeline Bulb Size Chart

Position	Bulb Size	Shop
Fog Light	H11	Buy H11 →
Daytime Running	9005	Buy 9005 →
Low Beam	H4	Buy H4 →
Side Marker	3157CK	Buy 3157CK →
Turn Signal Front	3157CK	Buy 3157CK →
Brake Light	168	Buy 168 →
Tail Light	7443CK	Buy 7443CK →
License Plate	168	Buy 168 →
Reverse Light	921	Buy 921 →
Turn Signal Rear	7440	Buy 7440 →
Parking Light	3157CK	Buy 3157CK →
Map Light	DE3175	Buy DE3175 →
Door Light	194	Buy 194 →

How do the 2009 Honda Ridgeline's bulbs compare to other years?

The 2009 Honda Ridgeline changed bulb sizes from 2008. The previous model year used a different configuration.

The 2010 model switched to a different bulb configuration.

This bulb configuration covers the 2009 model years. ← 2008 2010 →

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Other Ridgeline Years

2022 2021 2020 2019 2018 2017 2014 2013 2012 2011 2010 2008 2007 2006

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H4 Comparisons

9003 vs H4 H4 vs H7 H4 vs HB2