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2012 Cadillac Escalade EXT Bulb Size Chart

Bulb sizes may vary by trim, factory lighting package, region, production date, and previous modifications. Verify the bulb number on your existing bulb before buying.

Last database update: May 2026. Manual review status: Not yet manually reviewed.

Fitment data needs verification

This page is available for browsing, but it is marked noindex until the core bulb data is complete and unresolved manual-review findings are cleared.

Verify before buying: check the bulb number printed on your existing bulb, confirm your trim and factory lighting package, and review the seller's fitment notes.
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2012 Cadillac Escalade EXT Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Side Marker194—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Front3157CK—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Fog Light91409145 / H10If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

AmazoneBay
License Plate168—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Turn Signal Rear3047—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Tail Light3047—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Brake Light3157CK—Standard listingHalogenHigh
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Parking Light3157CK—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Reverse Light7441—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon
Door Light168—Standard listingHalogenMedium
Pending

Verify trim, factory lighting package, and the bulb number on the existing bulb.

Amazon

2012 Cadillac Escalade EXT Fitment Notes

Across the 2002-2013 production range, our database shows changes in the listed Turn Signal Front, Fog Light, Tail Light positions. Use the chart above for this 2012 model, then confirm the bulb number in your vehicle before buying.

Known fitment limitations

  • factory HID or LED packages may use different parts
  • fog lights may depend on equipment package
  • aftermarket headlight assemblies may use different bulbs
  • regional models and production-date splits may differ

See an incorrect bulb size? Submit a correction.

How do the 2012 Cadillac Escalade EXT's bulbs compare to other years?

The 2012 Cadillac Escalade EXT changed bulb sizes from 2011. The previous model year used a different configuration.

The 2013 model switched to a different bulb configuration.

This bulb configuration covers the 2012 model years. ← 2011 2013 →

Finding the best installation guide...

Other Escalade EXT Years

20132011201020092008200720062005200420032002

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Frequently Asked Questions

Our database lists N/A for the 2012 Cadillac Escalade EXT low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists N/A for the 2012 Cadillac Escalade EXT high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2012 Cadillac Escalade EXT can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed N/A size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists 9140 for the 2012 Cadillac Escalade EXT fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2012 Cadillac Escalade EXT uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many N/A applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as N, and verify the factory housing before buying.

Our database has a fog light entry for the 2012 Cadillac Escalade EXT: 9140. Fog lights may still depend on trim or equipment package.

Yes — the 2012 Cadillac Escalade EXT uses different bulb sizes than the 2011 model. The 2012 generation introduced this bulb configuration.

The 2012 Cadillac Escalade EXT is the only year in the 2012 generation to use the N/A bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed N/A low beam size on the existing bulb or owner's manual, then follow the service procedure for your exact trim.

Rules for LED headlight retrofits vary by location and by housing type. Avoid products that create glare or lack road-use compliance claims, and check local requirements before using an LED conversion on public roads.

Replacement cost depends on bulb technology, brand, and labor access. Common halogen N/A replacements are usually cheaper than LED conversion kits. Check seller fitment notes before comparing prices.

Halogen bulbs and LED replacements differ in output, heat behavior, beam pattern, and electronics. A correct bulb code does not guarantee a correct LED beam pattern, so verify physical fit and seller compatibility notes for the 2012 Cadillac Escalade EXT.