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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2023 GMC Sierra 3500 HD SLE.
Westin
Part # 28-71250
$722.18
Go Rhino
Part # 20404887T
$1399.99
Westin
Part # 21-534755
$1042.99
Truxedo
Part # 1705211
$165.99
WeatherTech
Part # 120122
$138.95
Dee Zee
Part # DZ95250TB
$488.15
Westin
Part # 21-24130
$356.03
Pace Edwards
Part # BLCA34A65
$2886.23
Cognito
Part # 110-91295
$143.31
Westin
Part # 56-14115
$654.99
Putco
Part # 529005
$84.99
Westin
Part # 20-44135
$624.99
Go Rhino
Part # D6410000T
$179.99
Pace Edwards
Part # M-BLCA34A65
$2886.23
Go Rhino
Part # 680280C
$514.99
Go Rhino
Part # 660080PS
$599.99
Putco
Part # 402671
$156.99
Go Rhino
Part # 960001T
$484.99
Pace Edwards
Part # KMCA34A65
$2329.10
Westin
Part # 28-71265
$585.73
This page groups parts listed for the 2023 GMC Sierra 3500 HD SLE. 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 exterior accessories parts for the 2023 GMC Sierra 3500 HD SLE. 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 Go Rhino, Westin, Access, Putco, and LUND, 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.
