GMC Sierra 3500 HD Tailgates and Parts
This page brings together tailgates and parts for the GMC Sierra 3500 HD, covering model years 2007–2026. The range includes everything from replacement tailgate handles and bezels to locks and complete tailgate assemblies, in finishes and configurations to suit a variety of needs. Select your year above and we'll show only the tailgates and parts that fit your GMC Sierra 3500 HD. Fitment is checked against our vehicle data for every part listed.
What's here for your GMC Sierra 3500 HD
- Tailgate handles — OE-replacement and chrome or black finish options
- Tailgate handle bezels — trim pieces that surround the handle opening
- Tailgate handle covers — protective or cosmetic overlays for the handle area
- Tailgate locks — hardware for securing the tailgate
- Complete tailgates — full rear tailgate assemblies including heavy-duty and OE-style units
The widest selection of GMC Sierra 3500 HD tailgates and parts here comes from Dorman, Coast to Coast International, Tuff Country Suspension, and Keystone. Other categories GMC Sierra 3500 HD owners shop for: GMC Sierra 3500 HD Springs and Suspension Parts, GMC Sierra 3500 HD Air and Fuel Filters and GMC Sierra 3500 HD Shocks and Struts, or browse all GMC Sierra 3500 HD parts and accessories.