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SIERRA 3500 PICKUP
- extended width
  - automatic dimming
    - manual extending (opt DWI)
      - blind spot alert (opt UKC)
        Driver Side
        Passenger Side
      - Without blind spot alert
        Driver Side
        Passenger Side
    - power extending (opt DZC)
      - surround view (opt UVS)
        Driver Side
        Passenger Side
      - Without surround view
        blind spot alert (opt UKC)
        Driver Side
        Passenger Side
        Without blind spot alert
        Driver Side
        Passenger Side
  - Without automatic dimming
    - turn signal
      - Driver Side
      - Passenger Side
    - Without turn signal
      - Driver Side
      - Passenger Side
- Without extended width
  - Driver Side
  - Passenger Side
SIERRA DENALI 3500
- (power mirror, integral turn signal)
  - Driver Side
  - Passenger Side

Door Mirror for 2021 GMC Sierra 3500

Fits: SIERRA 3500 PICKUP extended width Without automatic dimming Without turn signal Driver Side (change)

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