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2012 Chevrolet Avalanche 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.

2012 Chevrolet Avalanche 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
Fog LightH11H8 / H9 / H16If equipped / package-dependentHalogenHigh
Pending

If equipped; fog light packages can vary by trim.

AmazoneBay
Side Marker194—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
Turn Signal Front3157CK—Standard listingHalogenHigh
Pending

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

Amazon
Low BeamH11H8 / H9 / H16Standard listingHalogenHigh
Pending

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

AmazoneBay
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
Turn Signal Rear3157CK—Standard listingHalogenHigh
Pending

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

Amazon
Tail Light3157CK—Standard listingHalogenHigh
Pending

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

Amazon
License Plate168—Standard listingHalogenMedium
Pending

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

Amazon
Map LightW5W—Standard listingHalogenMedium
Pending

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

Amazon

2012 Chevrolet Avalanche Fitment Notes

Across the 2002-2013 production range, our database shows changes in the listed Turn Signal Front, Low Beam, High Beam 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 Chevrolet Avalanche's bulbs compare to other years?

The 2012 Chevrolet Avalanche 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 Avalanche Years

20132011201020092008200720062005200420032002

More from Chevrolet

3A3B3C3D3E3F3GAll Light Trucks

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

2023 Honda Odyssey2023 Nissan Maxima2023 Nissan Murano2023 Toyota 4Runner2023 Toyota Tacoma2022 Ford Edge

H11 / H8 / H9 / H16 Comparisons

9005 vs H119006 vs H119012 vs H11H11 vs H7

Frequently Asked Questions

Our database lists H11 for the 2012 Chevrolet Avalanche 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 2012 Chevrolet Avalanche high beam position. Some vehicles vary by trim, lighting package, or previous housing changes.

Dim headlights on a 2012 Chevrolet Avalanche 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 2012 Chevrolet Avalanche fog light position. Fog lights are often package-dependent, so verify that your vehicle is equipped with factory fog lights before ordering.

The 2012 Chevrolet Avalanche 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 2012 Chevrolet Avalanche: H11. Fog lights may still depend on trim or equipment package.

Yes — the 2012 Chevrolet Avalanche uses different bulb sizes than the 2011 model. The 2012 generation introduced this bulb configuration.

The 2012 Chevrolet Avalanche is the only year in the 2012 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 2012 Chevrolet Avalanche.