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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1978 GMC Jimmy Sierra Classic.
Clevite
Part # MS1038H1
$120.41
King Engine Bearings
Part # MB509XPSTDX
$108.72
Clevite
Part # CB1853A20(6)
$42.29
Mahle OE
Part # 2242012
$159.56
Mahle OE
Part # 2241658060
$142.07
Mahle OE
Part # 50514CP.040
$43.85
Mahle OE
Part # 41276
$57.93
Mahle OE
Part # 41137CP.040
$78.68
Victor Reinz
Part # B26466
$15.17
Mahle OE
Part # 40514CP
$53.30
Victor Reinz
Part # OS30988X
$33.73
Mahle OE
Part # 50514CP
$36.04
Clevite
Part # CB745HNC1
$37.15
Mahle OE
Part # 41137CP
$70.60
NGK
Part # 51333
$33.89
Clevite
Part # CB745P40(6)
$80.78
Wiseco
Part # 4165H
$20.99
Clevite
Part # CB745P20
$21.80
King Engine Bearings
Part # MB509HPSTDX
$101.90
Clevite
Part # CB745P30
$24.35
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 engine & drivetrain 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 Mahle OE, Clevite, COMP Cams, Fel-Pro, and Edelbrock, 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.
