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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.

571 - 600 of 645 results

Best Seller Free Shipping
Picture of Cometic PRO1003T-4200-040 Top End Gasket Kit for Chevy 350/400 Small Block V8

Cometic PRO1003T-4200-040 Top End Gasket Kit for Chevy 350/400 Small Block V8

60 reviews
Part: PRO1003T-4200-040
Vehicle Specific
$279.81
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5246-140 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

Cometic C5246-140 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

20 reviews
Part: C5246-140
Vehicle Specific
$231.96
Ships from manufacturer
Picture for manufacturer Cometic
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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
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.17
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
$349.88
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
$154.10
Ships from manufacturer
Picture for manufacturer Cometic
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 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
$368.26
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
$120.51
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
$260.38
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1003T-400-040 Top End Gasket Kit for Chevy Small Block - 350 V8

Cometic PRO1003T-400-040 Top End Gasket Kit for Chevy Small Block - 350 V8

40 reviews
Part: PRO1003T-400-040
Vehicle Specific
$281.34
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1005T-4200-040 Top End Gasket Kit for Chevrolet 396/402 Big Block V8

Cometic PRO1005T-4200-040 Top End Gasket Kit for Chevrolet 396/402 Big Block V8

26 reviews
Part: PRO1005T-4200-040
Vehicle Specific
$213.42
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1005T-4300-040 Top End Gasket Kit for Chevy Big Block Mark IV - V8

Cometic PRO1005T-4300-040 Top End Gasket Kit for Chevy Big Block Mark IV - V8

59 reviews
Part: PRO1005T-4300-040
Vehicle Specific
$217.56
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5273-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

8 reviews
Part: C5273-023
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5434-089 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-089 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

56 reviews
Part: C5434-089
Vehicle Specific
$148.90
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5537LF Chevy Small Block Valve Cover Gasket Set - Gen-1 V8

Cometic C5537LF Chevy Small Block Valve Cover Gasket Set - Gen-1 V8

9 reviews
Part: C5537LF
Vehicle Specific
$18.79
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic CP5542 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5542 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

42 reviews
Part: CP5542
Vehicle Specific
$161.71
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP5345 Timing Cover Gasket Set for Chevy Big Block V8

Cometic CP5345 Timing Cover Gasket Set for Chevy Big Block V8

69 reviews
Part: CP5345
Vehicle Specific
$44.09
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP15615 Timing Cover Gasket Set - Chevy Small Block Gen I V8

Cometic CP15615 Timing Cover Gasket Set - Chevy Small Block Gen I V8

73 reviews
Part: CP15615
Vehicle Specific
$40.56
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

Cometic C5270-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

74 reviews
Part: C5270-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15529-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.500

Cometic C15529-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.500

70 reviews
Part: C15529-040
Vehicle Specific
$110.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5270-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

61 reviews
Part: C5270-023
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1003T-4040 Chevy 350 Small Block Top End Gasket Kit

Cometic PRO1003T-4040 Chevy 350 Small Block Top End Gasket Kit

49 reviews
Part: PRO1003T-4020
Vehicle Specific
$281.34
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
$230.48
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
$135.52
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
Free Shipping
Picture of Cometic PRO1003T-4100-027 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

Cometic PRO1003T-4100-027 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

52 reviews
Part: PRO1003T-4100-027
Vehicle Specific
$281.34
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15304 Intake Manifold Gasket Set Chevy Big Block Mark IV Gen V/VI Representative Photo, actual item may vary

Cometic C15304 Intake Manifold Gasket Set Chevy Big Block Mark IV Gen V/VI

20 reviews
Part: C15304
Vehicle Specific
$35.40
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.