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Chevrolet C20 Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet C20 span the full 1961–1987 model run, covering cylinder head gaskets, intake manifold gasket sets, and a range of seals in OE-replacement and performance styles. Pick your Chevrolet C20's year above to narrow the list to engine gaskets and seals with confirmed fitment. Every part shown is checked against our vehicle data.

391 - 420 of 495 results

Best Seller Free Shipping
Picture of Cometic C5413-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.145

Cometic C5413-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.145

44 reviews
Part: C5413-036
Vehicle Specific
$98.30
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 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
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 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 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 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 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
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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
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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
Picture of Edelbrock 6997 Front Timing Cover Gasket Set Small Block Chevy with Seal

Edelbrock 6997 Front Timing Cover Gasket Set Small Block Chevy with Seal

27 reviews
Part: 6997
$19.95
Ships from manufacturer
Picture for manufacturer Edelbrock
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Picture of Cometic C15495-040 Chevrolet Gen-I Small Block V8 MLS Cylinder Head Gasket 4.155" Bore

Cometic C15495-040 Chevrolet Gen-I Small Block V8 MLS Cylinder Head Gasket 4.155" Bore

36 reviews
Part: C15495-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15512-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C15512-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

68 reviews
Part: C15512-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15396-040 Chevrolet Small Block MLS Head Gasket Bore - Gen-1 V8 040 4.190

Cometic C15396-040 Chevrolet Small Block MLS Head Gasket Bore - Gen-1 V8 040 4.190

17 reviews
Part: C15396-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP15282 Timing Cover Seal Set for Chevy Small Block Gen-1 V8 Representative Photo, actual item may vary

Cometic CP15282 Timing Cover Seal Set for Chevy Small Block Gen-1 V8

67 reviews
Part: CP15282
Vehicle Specific
$40.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic CP5528 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5528 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

12 reviews
Part: CP5528
Vehicle Specific
$161.86
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic CP5541 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5541 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

35 reviews
Part: CP5541
Vehicle Specific
$161.86
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5249-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5249-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

43 reviews
Part: C5249-084
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5247-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

Cometic C5247-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

69 reviews
Part: C5247-023
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5246-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5246-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

78 reviews
Part: C5246-023
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-095 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-095 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

9 reviews
Part: C5245-095
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

36 reviews
Part: C5245-023
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5403-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5403-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

18 reviews
Part: C5403-050
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5331-140 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

Cometic C5331-140 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

29 reviews
Part: C5331-140
Vehicle Specific
$232.11
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5330-042 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.540

Cometic C5330-042 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.540

40 reviews
Part: C5330-042
Vehicle Specific
$114.59
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5329-089 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.375

Cometic C5329-089 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.375

37 reviews
Part: C5329-089
Vehicle Specific
$157.91
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5273-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

8 reviews
Part: C5273-086
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5699-045 MLS Cylinder Head Gasket for Chevrolet Gen-3 Inline 6, 4.125" Bore, .045" Thick

Cometic C5699-045 MLS Cylinder Head Gasket for Chevrolet Gen-3 Inline 6, 4.125" Bore, .045" Thick

47 reviews
Part: C5699-045
Vehicle Specific
$180.11
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5248-102 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5248-102 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

65 reviews
Part: C5248-102
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5272-060 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5272-060 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

11 reviews
Part: C5272-060
Vehicle Specific
$129.83
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet C20

  • Engine cylinder head gaskets — single gaskets in rubber and composite materials for various positions
  • Engine intake manifold gasket sets — multi-piece kits covering front and rear sealing points
  • Performance and OE-replacement gasket options across the range

The widest selection here comes from Cometic, Victor, MAHLE, and Speedmaster, each offering distinct lines of engine sealing components for the Chevrolet C20. Other categories Chevrolet C20 owners shop for: Chevrolet C20 Exhaust Hardware, Chevrolet C20 Exhaust Gaskets and Seals and Chevrolet C20 Exhaust Brackets and Hangers, or browse all Chevrolet C20 parts and accessories.