2015-2019 GMC Sierra Denali 2500 Complete Seat Set (Opt AN3) Denali Package.
This is the flagship interior for the K2 platform GMC Sierra Denali. The AN3 package represents the highest tier of seating, offering full power adjustability, integrated memory settings, and high-performance climate control. These are direct fits for 2015–2019 Sierra/Silverado 2500HD and 3500HD Crew Cab models.
Detailed Specifications
| Component | Features & Technical Details |
| Front Seats | AN3 Full Feature: 12-way power (including 4-way lumbar), 2-position driver memory, and Easy Exit functionality. |
| Climate Control | Triple-stage Heating and Integrated Ventilation (Cooling) with internal fan units. |
| Rear Seats | 60/40 Split-Fold Bench with fold-down center armrest and integrated cupholders. |
| Upholstery | Forge Perforated Leather (Jet Black or Cocoa/Dune) with signature Denali precision stitching. |
| Safety | Integrated Side-Impact Airbags and Occupancy Sensors. |
Compatibility & Installation Notes
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AN3 vs. Non-AN3: The AN3 option code is critical. These seats utilize a specific wiring harness that integrates with the memory mirror and steering column modules.
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Platform Fitment: While designed for the 2500/3500HD, the front buckets will also bolt into 2014–2018 Sierra/Silverado 1500 models (K2XX chassis).
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Bose Integration: Typically paired with the Bose Premium Sound center console, ensuring seamless fitment with the factory subwoofer and amp locations.
Technical Note: If retrofitting these into a SLE or SLT trim without the AN3 code, a harness bypass or BCM flash may be required to enable the memory and ventilation functions
Marketing Copy for Your Listing
Product Title: 2015-2019 GMC Sierra Denali 2500HD Complete Leather Interior – AN3 Heated/Cooled
Key Highlights:
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Elite Comfort: The AN3 package provides the most adjustable seating positions available for this generation.
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Premium Materials: Features the authentic Denali “Forge” perforation pattern for maximum airflow during cooling.
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Complete Set: Includes both front buckets and the matching rear 60/40 bench for a uniform interior overhaul.
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