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Chevrolet K20 Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet K20 cover model years 1975 through 1986, with options ranging from cylinder head gaskets to intake manifold gasket sets. Choose your model year above and this page keeps only the engine gaskets and seals that fit your Chevrolet K20. Each listing is matched to our vehicle fitment data before it appears here.

451 - 480 of 493 results

Best Seller Free Shipping
Picture of Cometic C5245-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

22 reviews
Part: C5245-032
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5649-039 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C5649-039 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

60 reviews
Part: C5649-039
Vehicle Specific
$26.99
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

37 reviews
Part: C5649-031
Vehicle Specific
$26.99
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1003T-NHG Top End Gasket Kit for Chevrolet Small Block - 350/400 Gen-1 V8

Cometic PRO1003T-NHG Top End Gasket Kit for Chevrolet Small Block - 350/400 Gen-1 V8

49 reviews
Part: PRO1003T-NHG
Vehicle Specific
$154.23
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1040T-045 GM Gen III Vortec V8 Top End Gasket Kit

Cometic PRO1040T-045 GM Gen III Vortec V8 Top End Gasket Kit

69 reviews
Part: PRO1040T-045
Vehicle Specific
$368.40
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1005T-4300-051 Top End Gasket Kit for Chevrolet Mark IV Big Block - V8

Cometic PRO1005T-4300-051 Top End Gasket Kit for Chevrolet Mark IV Big Block - V8

79 reviews
Part: PRO1005T-4300-051
Vehicle Specific
$350.02
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15575-040 Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket 4.165 Bore

Cometic C15575-040 Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket 4.165 Bore

13 reviews
Part: C15575-040
Vehicle Specific
$120.64
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

47 reviews
Part: C5414-094
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5433-140 MLS Head Gasket for Chevy Big Block 4.570 Bore .140 Thick

Cometic C5433-140 MLS Head Gasket for Chevy Big Block 4.570 Bore .140 Thick

49 reviews
Part: C5433-140
Vehicle Specific
$230.62
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1003T-4060-062 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

Cometic PRO1003T-4060-062 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

69 reviews
Part: PRO1003T-4060-062
Vehicle Specific
$260.53
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

14 reviews
Part: C5215-070
Vehicle Specific
$135.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5786-052 Chevrolet Small Block V8 .052" MLX Head Gasket 4.220" Bore

Cometic C5786-052 Chevrolet Small Block V8 .052" MLX Head Gasket 4.220" Bore

42 reviews
Part: C5786-052
Vehicle Specific
$125.67
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

56 reviews
Part: C5786-062
Vehicle Specific
$125.67
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15283 Timing Cover Seal for Chevrolet Mark IV & GM Gen V/VI Big Block V8 Representative Photo, actual item may vary

Cometic C15283 Timing Cover Seal for Chevrolet Mark IV & GM Gen V/VI Big Block V8

6 reviews
Part: C15283
$14.70
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15282 Timing Cover Seal for Chevrolet Small Block - V8 Representative Photo, actual item may vary

Cometic C15282 Timing Cover Seal for Chevrolet Small Block - V8

73 reviews
Part: C15282
$12.00
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15680-040 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.680

Cometic C15680-040 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.680

76 reviews
Part: C15680-040
$110.20
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-027 MLS Cylinder Head Gasket - 4.100" Bore SBC Gen-1 Small Block Chevy

Cometic C5270-027 MLS Cylinder Head Gasket - 4.100" Bore SBC Gen-1 Small Block Chevy

71 reviews
Part: C5270-027
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5274-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

Cometic C5274-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

58 reviews
Part: C5274-045
Vehicle Specific
$101.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5274-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 036

Cometic C5274-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 036

73 reviews
Part: C5274-036
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5786-040 MLX Cylinder Head Gasket for Chevy Small Block Bore - V8 4.220

Cometic C5786-040 MLX Cylinder Head Gasket for Chevy Small Block Bore - V8 4.220

67 reviews
Part: C5786-040
Vehicle Specific
$119.73
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5551-036 Chevrolet Small Block MLS Head Gasket Bore - V8 4.220 036

Cometic C5551-036 Chevrolet Small Block MLS Head Gasket Bore - V8 4.220 036

18 reviews
Part: C5551-036
Vehicle Specific
$120.64
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-045 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

Cometic C5432-045 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

40 reviews
Part: C5432-045
Vehicle Specific
$104.62
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-080 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

Cometic C5432-080 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

72 reviews
Part: C5432-080
Vehicle Specific
$145.67
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5269-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5269-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

57 reviews
Part: C5269-032
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5269-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060

Cometic C5269-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060

39 reviews
Part: C5269-030
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5272-066 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.165 V8

Cometic C5272-066 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.165 V8

30 reviews
Part: C5272-066
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5269-066 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 V8

Cometic C5269-066 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 V8

30 reviews
Part: C5269-066
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of MAHLE 95-3443 Complete Engine Gasket Set for Chevrolet 305 V8

MAHLE 95-3443 Complete Engine Gasket Set for Chevrolet 305 V8

60 reviews
Part: 95-3443
Vehicle Specific
$131.86
1 left at this price
Picture for manufacturer MAHLE
Picture of MAHLE SS45264 Valve Stem Oil Seal Set for Small Block Chevy

MAHLE SS45264 Valve Stem Oil Seal Set for Small Block Chevy

8 reviews
Part: SS45264
Vehicle Specific
$10.85
3 left at this price
Picture for manufacturer MAHLE
Picture of MAHLE SS45874 Engine Valve Stem Oil Seal Set for Small Block Chevy Exhaust

MAHLE SS45874 Engine Valve Stem Oil Seal Set for Small Block Chevy Exhaust

62 reviews
Part: SS45874
Vehicle Specific
$10.98
1 left at this price
Picture for manufacturer MAHLE

What's here for your Chevrolet K20

  • Engine cylinder head gaskets, including OE replacement and performance styles
  • Engine intake manifold gasket sets
  • Front and rear seals in rubber and composite materials
  • Complete gasket kits covering multiple sealing points

The widest selection of engine gaskets and seals for the Chevrolet K20 here comes from Cometic, Victor, MAHLE, and Speedmaster. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.