GMCSierra 15002020 · Fifth generation
  1. GMC Sierra 1500
  2. Owner info
  3. Bulb Sizes
  4. 2020

2020 GMC Sierra 1500 Bulb Sizes

D5S
Low beam
D5S
High beam
921
Reverse
7444 / 921
Brake

equipment dependent

Catalog dataManufacturer figures stored on configuration rows

Headlights and fog

PositionBulb
Headlight Bulb High Beam and Low BeamD5S

Turn, brake, and reverse

PositionBulb
Back Up Reverse Light Bulb921
Brake Light Bulb7444
Center High Mount Stop Light Bulb921
Tail Light Bulb7444
Turn Signal Light Bulb Front7444NA
Turn Signal Light Bulb Rear7444NA

Exterior marker

PositionBulb
License Plate Light Bulb2825
Parking Light Bulb7444NA
Side Marker Light Bulb Rear194NA

Interior

PositionBulb
Trunk or Cargo Area Light921
Vanity Mirror Light Bulb6612F

Catalog headlight listings

Catalog year/make/model rows for 2020 GMC Sierra 1500.

Carquest Premium

Carquest Headlight Switch, SAC6014

MPN: SAC6014

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Carquest Premium

Carquest Headlight Switch, SAC6016

MPN: SAC6016

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KAI

New Standard Replacement Driver Side Headlight Bracket, GM2508130

MPN: GM2508130

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KAI

New Standard Replacement Passenger Side Headlight Bracket, GM2509130

MPN: GM2509130

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Catalog fitment does not by itself prove OEM-equivalent compatibility.