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2020 GMC Yukon 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.

2020 GMC Yukon Bulb Size Chart

PositionBulb CodeAliasesTrim / PackageFactory TypeConfidenceReviewNotesShop
High Beam9005HB3Standard listingHalogenHigh
Pending

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

AmazoneBay
Low BeamH11H8 / H9 / H16Standard listingHalogenHigh
Pending

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

AmazoneBay
Fog LightH11H8 / H9 / H16If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

AmazoneBay

2020 GMC Yukon Fitment Notes

Across the 1992-2020 production range, our database shows changes in the listed High Beam, Low Beam, Fog Light positions. Use the chart above for this 2020 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 2020 GMC Yukon's bulbs compare to other years?

The 2020 GMC Yukon changed bulb sizes from 2019. The previous model year used a different configuration.

This bulb configuration covers the 2020 model years. ← 2019

Finding the best installation guide...

Other Yukon Years

2019201820172016201520142013201220112010200920082007200620052004200320022001200019991998199719961995199419931992

More from GMC

10010001000 Series15015001500 Series2502500

Other Vehicles That Use H11 / H8 / H9 / H16 Bulbs

2023 Honda Odyssey2023 Nissan Maxima2023 Nissan Murano2023 Toyota 4Runner2023 Toyota Tacoma2022 Chevrolet Colorado

H11 / H8 / H9 / H16 Comparisons

9005 vs H119006 vs H119012 vs H11H11 vs H7

Frequently Asked Questions

Our database lists H11 for the 2020 GMC Yukon 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 2020 GMC Yukon high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2020 GMC Yukon can come from aging halogen bulbs, cloudy lenses, weak electrical connections, or an incorrect bulb. Confirm the listed H11 size against the bulb in the housing before choosing a replacement or upgrade.

Our database lists H11 for the 2020 GMC Yukon fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2020 GMC Yukon uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

LED upgrades are available for many H11 applications, but fitment, beam pattern, dashboard warnings, and road-use legality can vary. Use products that list your exact bulb family, such as H11 / H8 / H9 / H16, and verify the factory housing before buying.

Our database has a fog light entry for the 2020 GMC Yukon: H11. Fog lights may still depend on trim or equipment package.

Yes — the 2020 GMC Yukon uses different bulb sizes than the 2019 model. The 2020 generation introduced this bulb configuration.

The 2020 GMC Yukon is the only year in the 2020 generation to use the H11 bulb for the low beam headlight.

Access varies by engine bay layout and headlight housing. Before disassembly, confirm the listed H11 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 H11 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 2020 GMC Yukon.