Makes · GMC · Sierra 1500
2020 GMC Sierra 1500 bulb size chart
Catalog bulb positions and codes for the 2020 GMC Sierra 1500. Confirm against your owner’s manual before buying.
Bulb chart
Headlight & fog
| Position | Bulb |
|---|
| Headlight Bulb High Beam and Low Beam | D5S |
Exterior signal & marker
| Position | Bulb |
|---|
| Back Up Reverse Light Bulb | 921 |
| Brake Light Bulb | 7444 |
| Center High Mount Stop Light Bulb | 921 |
| License Plate Light Bulb | 2825 |
| Parking Light Bulb | 7444NA |
| Side Marker Light Bulb Rear | 194NA |
| Tail Light Bulb | 7444 |
| Turn Signal Light Bulb Front | 7444NA |
| Turn Signal Light Bulb Rear | 7444NA |
Interior & accessory
| Position | Bulb |
|---|
| Trunk or Cargo Area Light | 921 |
| Vanity Mirror Light Bulb | 6612F |
← All Sierra 1500 years · Bulb types