For the 2021 Chevrolet Silverado 1500, headlight bulb fitment varies by headlamp configuration. The supplied applications include D3S for both the low beam and high beam on one setup. Another setup uses an H11 low beam with a 9005 high beam. Verify the headlight housing and factory configuration before ordering, especially when comparing HID/projector-style and other headlamp assemblies.
Other listed exterior bulbs include:
- 7443: front turn signal, parking light, and front side marker
- 7444: brake, tail, rear turn signal, and rear side marker
- 921: center stop light and trunk light
- 194: license plate light
The supplied fitment data does not list a fog-light or reverse-light bulb for this model year. Check the original bulb and socket, along with the headlight type, to confirm the correct replacement for your specific Silverado 1500.