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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 Chevrolet Silverado 1500 HD LS.
US Motor Works
Part # USEP3501M
$96.83
Fel-Pro
Part # ES71190
$9.45
Standard Motor Products
Part # PR217T
$83.23
Walker Products
Part # 17191
$23.60
Dee Zee
Part # DZ91754S
$868.17
Standard Motor Products
Part # HP4225
$34.74
Dorman
Part # 55180
$22.48
Spectra Premium
Part # FNH155
$83.37
Dorman
Part # 645-221
$41.38
Skyward Automotive
Part # SK578183
$33.67
Autobest
Part # HP2511A
$92.06
Dee Zee
Part # DZ92556NS
$601.45
Delphi
Part # FP10021
$81.36
Carter
Part # 888-601
$10.03
Dee Zee
Part # DZ91752X
$767.80
Hella
Part # 358300111
$129.21
Dorman
Part # 578-183
$35.55
Bosch
Part # WHGM67XMOD
$32.20
Delphi
Part # FJ10062
$112.92
Dee Zee
Part # DZ91740SB
$1200.97
This page groups parts listed for the 2003 Chevrolet Silverado 1500 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 fuel injectors & pumps parts for the 2003 Chevrolet Silverado 1500 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 Dee Zee, Standard Motor Products, Delphi, Dorman, and Spectra Premium, 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.
