Parts for 2026 GMC Sierra 3500 HD
Available Parts
Towing
Trailer Hitch
85 items
Groups (5):
• Hitch with 7-Way Plug and Brake Control (65),
• Hitch with 4-Flat Plug (5),
• Hitch with 5-Flat Plug (5),
• Hitch without Wiring (5),
• Hitch with 7-Way Plug (5)
5th Wheel and Gooseneck Hitch
51 items
Groups (3):
• Trucks with Existing Above Bed Rail Kit (33),
• Trucks with Existing Factory Puck System (11),
• Trucks with Existing Underbed Rail Kit (7)
Trailer Wiring Harness
8 items
Groups (4):
• 7-Way Plug with Brake Controller (5),
• 7-Way Trailer Wiring Harness Plug (1),
• 5-Flat Trailer Wiring Harness Plug (1),
• 4-Flat Trailer Wiring Harness Plug (1)
Brake Controller
5 items
Groups (2):
• Proportional Brake Controllers (3),
• Time Delay Brake Controllers (2)
Truck Bed Covers
1 items
Groups (1):
• Tonneau Cover (1)
Front Trailer Hitch
1 items
Groups (1):
• Front Receiver Hitch (1)