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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1984 GMC G3500 Rally.
Mahle
Part # F17250S
$11.27
Walker Exhaust
Part # 31520
$12.94
Dorman
Part # 03106
$9.10
AP Exhaust
Part # M212
$2.21
Walker Exhaust
Part # 41947
$5.78
Eastern Catalytic
Part # 70318
$112.45
NGK
Part # 21002
$23.92
Kooks Headers
Part # 7034-SP-2
$116.45
Standard Motor Products
Part # AT187
$41.96
Bosch
Part # 12014
$28.89
Standard Motor Products
Part # S-554
$12.10
AP Exhaust
Part # M200
$1.95
Walker Exhaust
Part # 43923
$18.99
Four Seasons
Part # 35345
$47.46
Kooks Headers
Part # 7034-S
$85.62
Dorman
Part # 03147
$9.21
Four Seasons
Part # 35334
$43.72
Walker Products
Part # 350-31027
$23.95
Four Seasons
Part # 35472
$40.41
Dorman
Part # 03113
$6.29
This page groups parts listed for the 1984 GMC G3500 Rally. 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 exhaust systems parts for the 1984 GMC G3500 Rally. 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 Reinz, Walker Exhaust, AP Exhaust, Dorman, and Kooks Headers, 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.
