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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 Chevrolet Silverado 1500 HD LT.
Westin
Part # 27-1285
$126.99
Yukon Gear & Axle
Part # YG D60-513T
$516.89
Dorman
Part # 929-723
$34.22
Victor Reinz
Part # VS50250
$20.19
Tuff Country
Part # 17851
$64.88
Fel-Pro
Part # TOS18698
$12.53
Fel-Pro
Part # BS40640
$30.71
Cometic Gasket
Part # C15032-031
$13.34
Sealed Power
Part # 8-2555A
$44.65
Yukon Gear & Axle
Part # YSPSA-016
$110.89
Victor Reinz
Part # GS33530
$17.78
Granatelli Motor Sports
Part # 640365
$215.47
Yukon Gear & Axle
Part # ZPKD60-R
$227.89
Cometic Gasket
Part # C15515-040
$97.74
Yukon Gear & Axle
Part # YG GM9.25-456R
$470.89
Mishimoto
Part # MMIG-LSSQ-9908
$427.24
Yukon Gear & Axle
Part # YSPTW-074
$41.89
Cometic Gasket
Part # C5751-124
$249.06
Cometic Gasket
Part # C15034
$14.08
Yukon Gear & Axle
Part # YG GM9.25-538R
$522.89
This page groups parts listed for the 2003 Chevrolet Silverado 1500 HD LT. 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 1500 HD LT. 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, Yukon Gear & Axle, King Engine Bearings, Clevite, and ACL, 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.
