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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 2003 GMC Sierra 2500 HD WT.
Hayden
Part # 105
$11.61
Standard Motor Products
Part # PS-308
$53.86
Motul
Part # 100951
$130.09
Dorman
Part # 800-607
$12.45
Standard Motor Products
Part # OCK64
$326.40
Dorman
Part # 090-053CD
$7.27
Bosch
Part # 3322
$8.46
Yukon Gear & Axle
Part # OK 3-QRT-A
$112.89
Sunsong
Part # 5801154
$16.36
Sealed Power
Part # 224-43708
$409.48
Dorman
Part # 921-046
$64.29
Sunsong
Part # 5801274
$72.45
Sunsong
Part # 5801524
$35.99
Dorman
Part # 624-488
$23.30
K&N
Part # SO-1007
$13.52
Dorman
Part # 624-066
$30.68
Skyward Automotive
Part # SKS574
$8.31
Fleece Performance
Part # FPE-TL-LB7-LLY
$292.67
Dorman
Part # 800-706
$24.04
Vernet
Part # OC2314
$8.43
This page groups parts listed for the 2003 GMC Sierra 2500 HD WT. 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 oil & fluids parts for the 2003 GMC Sierra 2500 HD WT. 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, Hayden, Four Seasons, Standard Motor Products, and Sealed Power, 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.
