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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2021 GMC Sierra 1500 Base.
Rancho
Part # RS66311R9-1
$409.08
Rancho
Part # RS66311R9-3
$335.72
Rancho
Part # RS66311R9-2
$501.75
Superlift
Part # 3591
$429.99
Fabtech
Part # FTS21251
$788.64
Tuff Country
Part # 13014KN
$1133.71
Fabtech
Part # FTS21272
$647.92
Fabtech
Part # FTS21271
$697.53
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This page groups parts listed for the 2021 GMC Sierra 1500 Base. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
We offer a wide selection of lift kits & leveling parts for the 2021 GMC Sierra 1500 Base. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.
We carry parts from trusted brands including Cognito, Superlift, Fabtech, Skyjacker, and Tuff Country, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.
