What is the low beam headlight bulb size for a 2009 Cadillac Escalade EXT?

The 2009 Cadillac Escalade EXT uses a N/A 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 Cadillac Escalade EXT?

The high beam bulb size for the 2009 Cadillac Escalade EXT is N/A.

Why are my 2009 Cadillac Escalade EXT headlights dim?

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

Which bulb fits the 2009 Cadillac Escalade EXT fog light?

The 2009 Cadillac Escalade EXT uses a H10 bulb for the fog light position.

Is the 2009 Cadillac Escalade EXT single or dual beam?

The 2009 Cadillac Escalade EXT 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 Cadillac Escalade EXT?

Yes, the 2009 Cadillac Escalade EXT comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a N/A LED conversion kit for the low beams.

Does the 2009 Cadillac Escalade EXT have fog lights?

Yes, the 2009 Cadillac Escalade EXT takes a H10 bulb for the fog light position.

Did the 2009 Cadillac Escalade EXT change headlight bulb sizes from the previous year?

No — the 2009 Cadillac Escalade EXT uses the same bulb sizes as the 2008 model. This configuration has been consistent across the 2008–2009 generation.

Is the 2009 Cadillac Escalade EXT the first or last year to use N/A bulbs?

The 2009 Cadillac Escalade EXT is the last year in the 2008–2009 generation to use the N/A bulb for the low beam headlight.

How do I change the headlight on a 2009 Cadillac Escalade EXT?

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 N/A 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 Cadillac Escalade EXT?

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 N/A 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 Cadillac Escalade EXT headlights?

A pair of halogen N/A 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 Cadillac Escalade EXT?

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 N/A position are available as direct plug-and-play replacements.

The 2009 Cadillac Escalade EXT is the last model year to use this bulb configuration (2008–2009).

Fitment Guaranteed for 2009 Cadillac Escalade EXT

What Size Bulbs Does a 2009 Cadillac Escalade EXT 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 Cadillac Escalade EXT Have?

When it comes to nighttime visibility, the 2009 Cadillac Escalade EXT relies on an arrangement of 10 specialized bulbs. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate low beam and high beam bulbs for precise light distribution.

Can You Put LED Bulbs in a 2009 Cadillac Escalade EXT?

Upgrading to LED is one of the most effective ways to modernize your Cadillac's appearance and safety profile. We recommend starting your upgrade with the 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 H10 fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

2009 Cadillac Escalade EXT Bulb Size Chart

Position	Bulb Size	Shop
Side Marker	194	Buy 194 →
Turn Signal Front	3157CK	Buy 3157CK →
Fog Light	H10	Buy H10 →
Brake Light	3157CK	Buy 3157CK →
Parking Light	3157CK	Buy 3157CK →
Turn Signal Rear	3157CK	Buy 3157CK →
Tail Light	3157CK	Buy 3157CK →
License Plate	168	Buy 168 →
Reverse Light	7441	Buy 7441 →
Door Light	168	Buy 168 →

How do the 2009 Cadillac Escalade EXT's bulbs compare to other years?

The 2009 Cadillac Escalade EXT uses the same bulbs as the 2008 model.

The 2010 model switched to a different bulb configuration.

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

Finding the best installation guide...

Other Escalade EXT Years

2013 2012 2011 2010 2008 2007 2006 2005 2004 2003 2002

More from Cadillac

60 Special ATS Allante Brougham CT6 CTS CTS Coupe & Wagon CTS Sedan