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Choose your trim in My Garage to confirm exact fit.
Bosch
Part # 6704
$5.00
Dorman
Part # 740-885
$82.42
LUK
Part # GATK6L90
$57.08
Bosch
Part # 9602
$8.33
Spectra Premium
Part # S10210
$31.95
Standard Motor Products
Part # PC1138
$16.22
Vemo
Part # V51-72-0092
$46.59
Motorad
Part # 3IC404
$56.10
Dorman
Part # 38427
$12.94
Dorman
Part # 82537
$29.02
Dorman
Part # 917-618
$36.58
Dorman
Part # 926-429
$73.85
Standard Motor Products
Part # PC620T
$25.24
Dorman
Part # 82536
$29.22
Motorad
Part # 3IC404KT
$73.91
Dorman
Part # 700-365
$11.66
URO Parts
Part # GM0517575
$30.76
NGK
Part # 48713
$67.27
Dorman
Part # 963-402
$7.87
Hella
Part # H11
$14.18
This page groups parts listed for the 2018 Chevrolet Silverado 3500 HD. 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 2018 Chevrolet Silverado 3500 HD. 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, Walker Products, Collision, and Delphi, 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.
