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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1988 GMC G3500 Magnavan.
Standard Motor Products
$3.74
Dorman
$9.10
Walker Exhaust
$12.94
AP Exhaust
$280.91
Eastern Catalytic
$236.06
Walker Exhaust
$13.15
Standard Motor Products
$10.15
AP Exhaust
$2.21
Kooks Headers
$85.62
Dorman
$9.21
Four Seasons
$43.72
Walker Products
$23.95
Four Seasons
$40.41
Dorman
$6.29
Standard Motor Products
$137.19
Walker Exhaust
$11.38
Eastern Catalytic
$317.12
AP Exhaust
$4.60
Dorman
$5.92
AP Exhaust
$257.49
This page groups parts listed for the 1988 GMC G3500 Magnavan. 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 1988 GMC G3500 Magnavan. 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 Kooks Headers, Standard Motor Products, Walker Exhaust, AP Exhaust, and Dorman, 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.
