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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 Chevrolet Silverado 3500 LS.
Fluidampr
Part # 760131-FW03
$154.16
Litens
Part # 999129A
$79.02
Cometic Gasket
Part # C15032-031
$13.34
Fel-Pro
Part # 71220
$8.61
Yukon Gear & Axle
Part # YY UB-005
$55.89
Mishimoto
Part # MMIG-LSSQ-9908
$427.24
ContiTech
Part # 4060950
$48.29
Yukon Gear & Axle
Part # YGK2109
$3218.29
Yukon Gear & Axle
Part # YGK2123
$1073.89
Cometic Gasket
Part # C15034
$14.08
aFe
Part # 46-71060B
$394.21
Westin
Part # 22-2005
$150.62
Fel-Pro
Part # TCS45993
$50.93
Yukon Gear & Axle
Part # YG GM11.5-488
$933.89
Yukon Gear & Axle
Part # PK GM9.25IFS
$341.89
BD Diesel
Part # 1061825
$347.95
Eaton
Part # 225S10
$725.47
Yukon Gear & Axle
Part # YK GM9.25IFS-A
$607.89
Granatelli Motor Sports
Part # 28-1629S
$233.12
Dayco
Part # 5040378DR
$20.73
This page groups parts listed for the 2003 Chevrolet Silverado 3500 LS. 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 engine & drivetrain parts for the 2003 Chevrolet Silverado 3500 LS. 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 Cometic Gasket, Clevite, Yukon Gear & Axle, King Engine Bearings, and Fel-Pro, 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.
