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SIERRA 3500 PICKUP
- opt C42
  - ID 23176281
  - ID 84164474
- opt C67
- opt CJ2
SIERRA DENALI 3500
- (opt CJ2)
  - ID 84173748
  - ID 84258729

Heater and A/C controls for 2018 GMC Sierra 3500 HD

Fits: SIERRA 3500 PICKUP opt C42 ID 23176281 (change)

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