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Choose your trim in My Garage to confirm exact fit.
Exact-fit parts for the 1981 Chevrolet K20 Suburban Custom.
Victor Reinz
Part # B45787
$14.43
Victor Reinz
Part # TS27275
$70.98
Mahle OE
Part # 50564CP.080
$52.04
Mahle OE
Part # 40564CP
$53.32
Victor Reinz
Part # B26466
$15.17
Mahle OE
Part # 50564CP.040
$50.97
King Engine Bearings
Part # CR807XPN020
$117.47
Reinz
Part # 19-10116-01
$30.46
Cometic Gasket
Part # C5410-066
$131.62
FTI Performance
Part # ESR6082
$521.15
Cometic Gasket
Part # C5215-070
$141.79
King Engine Bearings
Part # CR807XPN010
$108.72
Victor Reinz
Part # G14142
$18.59
NGK
Part # 51340
$40.91
Mahle OE
Part # 2242694060
$150.72
Mahle OE
Part # 2243543WR
$294.53
Clevite
Part # CB1776A20(6)
$30.39
Clevite
Part # CB663HN
$12.86
Mahle OE
Part # 40533CP.030
$69.72
Cometic Gasket
Part # C5215-056
$141.79
This page groups parts listed for the 1981 Chevrolet K20 Suburban Custom. 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 1981 Chevrolet K20 Suburban Custom. 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 COMP Cams, Cometic Gasket, Yukon Gear & Axle, Clevite, 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.
