For the 2012 GMC Yukon, the low-beam and high-beam headlights both use an H13 bulb. Check the existing headlight assembly and compare the replacement before ordering, particularly if your Yukon has a different factory lighting configuration.
The front turn signal and parking light use 4157NA, while the front and rear side markers use 194NA. Reverse-light fitment requires comparison with the original bulb: listed options are 194 and 7441, with 7440 listed for the SLT option.
- Denali Hybrid: brake and tail lights use 3157R; rear turn signals use 3157.
- Denali: brake and tail lights use 7443R; rear turn signals use 7443.
- The center stop light is listed as LED.
- License plate lighting may use 2825 or 98; compare the original bulb.
Interior applications include 212-2 for dome, map, and trunk lights, plus 6612F for the vanity light.