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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 Chevrolet Silverado 2500 HD LS.
Spectra Premium
Part # 0283211
$38.46
Edelbrock
Part # 48093
$19.95
Skyward Automotive
Part # SK36973
$65.32
ContiTech
Part # 62769
$90.20
Four Seasons
Part # 36945
$59.90
Four Seasons
Part # 36403
$19.99
Four Seasons
Part # 36419
$17.34
Motorad
Part # 267-180
$10.61
Four Seasons
Part # 65712
$48.24
Dorman
Part # 604-106
$43.32
Hayden
Part # 2744
$56.44
Sinister Diesel
Part # SD-WWP-01
$292.85
Gates
Part # 19802
$26.91
US Motor Works
Part # US5089H
$127.56
Gates
Part # 33947
$50.25
Four Seasons
Part # 92023
$62.84
Dorman
Part # 800-917
$14.25
Four Seasons
Part # 54873
$117.86
Skyward Automotive
Part # SK36945
$53.73
GPD
Part # 8241539
$34.04
This page groups parts listed for the 2003 Chevrolet Silverado 2500 HD 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 cooling system parts for the 2003 Chevrolet Silverado 2500 HD 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 Dorman, Wehrli, Four Seasons, Gates, and Motorad, 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.
