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2006 Cadillac DTS 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.

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.
Disclosure: We may earn a commission from links marked Affiliate. Unmarked retailer links may be plain search links. Always verify bulb fitment before purchasing.

2006 Cadillac DTS Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
Low BeamD1S—Factory HID packageHIDHigh
Pending

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

AmazoneBay
High BeamD1S—Factory HID packageHIDHigh
Pending

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

AmazoneBay
Fog Light9055—If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

Amazon
Turn Signal Front5702AK—Standard listingHalogenHigh
Pending

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

Amazon
License Plate194—Standard listingHalogenMedium
Pending

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

Amazon
Parking Light2825—Standard listingHalogenMedium
Pending

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

Amazon
Trunk Light211-2—Standard listingHalogenMedium
Pending

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

Amazon
Daytime Running3157CK—Standard listingHalogenMedium
Pending

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

Amazon

2006 Cadillac DTS Fitment Notes

Our database shows the same listed bulb sizes for the Cadillac DTS across the 2006 to 2011 range. Still verify your trim, lighting package, and the bulb number in the housing 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 2006 Cadillac DTS's bulbs compare to other years?

The 2007 model continues with the same bulb sizes.

This bulb configuration covers the 2006–2011 model years. 2007 →

Finding the best installation guide...

Other DTS Years

20112010200920082007

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Other Vehicles That Use D1S Bulbs

2019 BMW X62019 Genesis G802019 Mercedes-Benz Benz GLS4502019 Mercedes-Benz Benz GLS5502019 Mercedes-Benz Benz GLS63 AMG2019 Mercedes-Benz Benz SLC300

Frequently Asked Questions

Our database lists D1S for the 2006 Cadillac DTS low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists D1S for the 2006 Cadillac DTS high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2006 Cadillac DTS can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed D1S size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists 9055 for the 2006 Cadillac DTS fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2006 Cadillac DTS uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

LED upgrades are available for many D1S applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as D1S, and verify the factory housing before buying.

Our database has a fog light entry for the 2006 Cadillac DTS: 9055. Fog lights may still depend on trim or equipment package.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed D1S 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. HID D1S capsules usually cost more than common halogen bulbs. 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 2006 Cadillac DTS.