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Choose your trim in My Garage to confirm exact fit.
Denso
Part # 5071
$11.81
Dorman
Part # 700-575BX
$13.48
Rostra
Part # 61-0073
$60.56
Rostra
Part # 66-0227
$68.67
URO Parts
Part # GM1417758
$23.71
Eagle Eyes
Part # GM507-B000R
$30.90
Dorman
Part # 194R-HP
$13.40
Dorman
Part # 91141
$35.50
Dorman
Part # 80597
$61.54
Rostra
Part # 61-0007
$18.46
Dorman
Part # 1591104
$230.41
Continental
Part # WL42031
$61.37
Dorman
Part # 920-022
$226.93
Aisin
Part # RPGM-100
$61.88
Dorman
Part # 912-017
$50.94
LUK
Part # GDK324B
$302.49
Philips
Part # 9006PRB1
$17.43
Rostra
Part # 60-0032
$13.72
Dorman
Part # 194W-HP
$14.59
Dorman
Part # 194G-SMD
$14.73
This page groups parts listed for the 2003 Chevrolet Avalanche 2500. 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 wiring & electrical parts for the 2003 Chevrolet Avalanche 2500. 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, Standard Motor Products, Hella, Collision, and Rostra, 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.
