
PIAA 19618 Xtreme White Plus
Buy on Amazon →
Used for: Headlight Bulb High Beam and Low Beam
Used for: Back Up Light Bulb(Compare to original - Option 1)
Used for: Back Up Light Bulb(Compare to original - Option 1)
Used for: Back Up Light Bulb(SLT, Compare to original - Option 2)
Used for: Brake Light Bulb(Denali Hybrid), Tail Light Bulb(Denali Hybrid)
Used for: Brake Light Bulb(Denali), Tail Light Bulb(Denali)
Used for: License Plate Light Bulb
Used for: License Plate Light Bulb
Used for: Parking Light Bulb, Turn Signal Light Bulb Front
Used for: Side Marker Light Bulb Front, Side Marker Light Bulb Rear
Used for: Turn Signal Light Bulb Rear(Denali Hybrid)
Used for: Turn Signal Light Bulb Rear(Denali)
Used for: Dome Light Bulb, Map Light Bulb, Trunk or Cargo Area Light
Used for: Vanity Mirror Light Bulb
This 2012 GMC Yukon bulb size guide helps you quickly verify the correct bulb for each lighting position on your vehicle. Instead of guessing by appearance, you can match the bulb type to the exact location, such as headlights, turn signals, license plate lights, interior lamps, and cargo-area lighting.
Because Yukon trims and lighting packages can vary, especially by market and body style, the bulb used in one position may differ from another version of the same model year. Use this page to compare the bulb chart by lighting position before you buy replacements.
For the best fitment results, always confirm your trim and package details before ordering, since Denali, SLT, and hybrid lighting setups may use different bulb types. Some positions may also be equipped with halogen bulbs from the factory, while others may use LED assemblies or different replacement formats. If you are considering an aftermarket LED conversion, check polarity, bulb depth, and housing clearance, because a bulb that fits physically may still cause warning messages, flicker, or beam pattern issues. It is also a good idea to remove the installed bulb and compare it to the replacement before purchase, especially for exterior lights where similar-looking bulbs can have different bases or output ratings.
The headlight bulb listed for the 2012 GMC Yukon is H13 for both high beam and low beam.
The front turn signal bulb is 4157NA.
The parking light bulb is 4157NA.
Rear turn signal fitment varies by trim. Denali uses 7443, while Denali Hybrid uses 3157.
Denali brake light bulb fitment is 7443R.
Denali tail light bulb fitment is 7443R.
Backup light fitment varies by version. One listed option is 194 or 7441, and the SLT compare-to-original option is 7440.
The license plate light bulb is listed as 2825 or 98.
Both the front side marker light and rear side marker light use 194NA.
The center high mount stop light is listed as LED.
The dome light, map light, and trunk or cargo area light are all listed as 212-2.
The vanity mirror light bulb is 6612F.
Trim and lighting package differences can change the bulb type used in certain positions, especially on Denali and hybrid versions. That is why it is important to match the bulb to the exact location and trim.
Yes, in many positions you can use LED replacements, but you should verify fitment, brightness, polarity, and housing space before buying. Some LED conversions may not behave the same as the original halogen bulb.