2011 GMC Sierra 1500 OEM Parts and Accessories
Select The Trim & Engine Of Your Vehicle Below
The catalog for a light duty pickup splits in ways that are not obvious from the outside, which is why the model year matters. GMT900 through 2013, K2XX from 2014 to 2018, and the T1XX from 2019 with the CarbonPro bed option.
The 2011 Sierra 1500 was in the middle of its production run, so the catalog reflects incremental changes rather than a clean break. Box length and cab configuration drive more part number splits on this truck than the engine does.
The parts we ship most for the 2011 GMC Sierra 1500 are mirror assemblies, headlamp assemblies, transfer case components, front differential seals and intake manifold gaskets. These are genuine GM parts, engineered by the team that built the vehicle and held to the tolerances the original calibration assumed. On a light duty pickup these are the components that carry load and heat, and they are where an aftermarket substitute costs you the job twice.
Warranty is the quiet argument for factory parts. A genuine GM component carries GM's coverage, and on anything that touches the powertrain or the emissions system that coverage is worth more than the price difference on the invoice.
Run your VIN before ordering. It takes a few seconds and it is the difference between installing the part and shipping it back. We ship from Dallas, and in stock orders placed by 3pm Central usually go out the same business day. Cross-shopping a related truck? The 2011 GMC Sierra 2500 is the closest thing in the lineup that year.