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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1978 GMC Jimmy Sierra Classic.
Pioneer Cable
Part # 758004
$10.88
ATP
Part # SG-24
$12.31
GPD
Part # 1321273
$9.02
Dorman
Part # 557-001
$23.74
Dorman
Part # 567-001
$40.81
Dorman
Part # 097-022
$10.24
Carlson
Part # H1545
$10.83
Dorman
Part # 02650
$20.85
Pioneer Cable
Part # 758006
$9.65
Mahle
Part # 3514VC
$43.66
ATP
Part # SG-27
$16.60
Standard Motor Products
Part # VG8
$5.45
Mahle
Part # 1178BS
$33.37
Mahle
Part # W39348TC
$19.12
SKF
Part # 11123
$6.20
Mahle
Part # VS50732
$55.64
Timken
Part # 6712NA
$10.35
Timken
Part # 722108
$8.20
Pioneer Cable
Part # 749289
$8.35
Dorman
Part # 02660
$37.07
This page groups parts listed for the 1978 GMC Jimmy Sierra Classic. 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 gaskets & seals parts for the 1978 GMC Jimmy Sierra Classic. 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, Timken, Pioneer Cable, SKF, and Schaeffler, 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.
