2006 GMC Sierra Denali 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 GMC Sierra Denali Bulb Size Chart

Position	Bulb Code	Aliases	Trim / Package	Factory Type	Confidence	Review	Notes	Shop
Low Beam	9005	HB3	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon eBay
High Beam	9005	HB3	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon eBay
Fog Light	880	899	If equipped / package-dependent	Halogen	High	Pending	If equipped; fog light packages can vary by trim.	Amazon eBay
Brake Light	921	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Side Marker	194	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Front	4157K	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Turn Signal Rear	3157K	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Reverse Light	3157K	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Dome Light	211-2	—	Multiple listed options	Halogen	Medium	Pending	Multiple listed options; confirm the bulb in your housing.	Amazon
License Plate	194	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Map Light	578	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Parking Light	4157NA	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Trunk Light	912	—	Standard listing	Halogen	Medium	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon
Tail Light	3157	—	Standard listing	Halogen	High	Pending	Verify trim, factory lighting package, and the bulb number on the existing bulb.	Amazon

2006 GMC Sierra Denali Fitment Notes

Across the 2002-2011 production range, our database shows changes in the listed Low Beam, Brake Light, Turn Signal Front positions. Use the chart above for this 2006 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 2006 GMC Sierra Denali's bulbs compare to other years?

The 2006 GMC Sierra Denali uses the same bulbs as the 2005 model.

The 2007 model switched to a different bulb configuration.

This bulb configuration covers the 2004–2006 model years. ← 2005 2007 →

Finding the best installation guide...

Other Sierra Denali Years

2011 2010 2009 2008 2007 2005 2004 2003 2002

Other Vehicles That Use 9005 / HB3 Bulbs

2023 Ford Ranger 2023 Hyundai Palisade 2023 Hyundai Santa Fe 2022 Honda Accord 2022 Hyundai Elantra 2022 Kia Niro

9005 / HB3 Comparisons

9005 vs 9006 9005 vs H11 9005 vs H7

Frequently Asked Questions

Our database lists 9005 for the 2006 GMC Sierra Denali low beam headlights. Verify the bulb number on your existing bulb and confirm your trim or factory lighting package before buying.

Our database lists 9005 for the 2006 GMC Sierra Denali high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2006 GMC Sierra Denali can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed 9005 size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists 880 for the 2006 GMC Sierra Denali fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

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

LED upgrades are available for many 9005 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as 9005 / HB3, and verify the factory housing before buying.

Our database has a fog light entry for the 2006 GMC Sierra Denali: 880. Fog lights may still depend on trim or equipment package.

No — the 2006 GMC Sierra Denali uses the same bulb sizes as the 2005 model. This configuration has been consistent across the 2004–2006 generation.

The 2006 GMC Sierra Denali is the last year in the 2004–2006 generation to use the 9005 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed 9005 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 9005 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 2006 GMC Sierra Denali.

2006 GMC Sierra Denali Bulb Size Chart

2006 GMC Sierra Denali Bulb Size Chart

2006 GMC Sierra Denali Fitment Notes

How do the 2006 GMC Sierra Denali's bulbs compare to other years?

Other Sierra Denali Years

More from GMC

Other Vehicles That Use 9005 / HB3 Bulbs

9005 / HB3 Comparisons

Frequently Asked Questions

What is the low beam headlight bulb size for a 2006 GMC Sierra Denali?

What is the high beam headlight bulb size for a 2006 GMC Sierra Denali?

Why are my 2006 GMC Sierra Denali headlights dim?

Which bulb fits the 2006 GMC Sierra Denali fog light?

Is the 2006 GMC Sierra Denali single or dual beam?

Can I install LED bulbs on my 2006 GMC Sierra Denali?

Does the 2006 GMC Sierra Denali have fog lights?

Did the 2006 GMC Sierra Denali change headlight bulb sizes from the previous year?

Is the 2006 GMC Sierra Denali the first or last year to use 9005 bulbs?

How do I change the headlight on a 2006 GMC Sierra Denali?

Are LED headlights legal for a 2006 GMC Sierra Denali?

How much does it cost to replace 2006 GMC Sierra Denali headlights?

What is the difference between halogen and LED for a 2006 GMC Sierra Denali?