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SIERRA 1500 PICKUP
- classic style (mirrors mount inner window corner)
  - (5.3L)
- new style (mirrors mount on door skin)
  - 2.7L
  - 4.3L
  - 5.3L
  - 6.2L
    - ID 12678223
    - ID 12678312
SIERRA DENALI 1500
- (throttle valve assembly)
  - 5.3L
  - 6.2L
    - ID 12678223
    - ID 12678312

Throttle Body for 2019 GMC Sierra 1500

Fits: SIERRA 1500 PICKUP new style mirrors mount on door skin 4.3L (change)

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