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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.

511 - 540 of 645 results

Best Seller Free Shipping
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
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5330-084 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.540

Cometic C5330-084 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.540

39 reviews
Part: C5330-084
Vehicle Specific
$158.13
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
$114.81
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
$158.13
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
$97.27
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
$127.58
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
$231.96
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5331-047 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

Cometic C5331-047 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

37 reviews
Part: C5331-047
Vehicle Specific
$114.81
Ships from manufacturer
Picture for manufacturer Cometic
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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
$179.99
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5407-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

Cometic C5407-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

36 reviews
Part: C5407-036
Vehicle Specific
$95.97
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

Cometic C5273-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

35 reviews
Part: C5273-070
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
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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
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-066 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200 066

Cometic C5273-066 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200 066

35 reviews
Part: C5273-066
Vehicle Specific
$127.58
Ships from manufacturer
Picture for manufacturer Cometic
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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
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

Cometic C5270-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

12 reviews
Part: C5270-051
Vehicle Specific
$104.56
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5248-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5248-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

48 reviews
Part: C5248-086
Vehicle Specific
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5246-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

Cometic C5246-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

72 reviews
Part: C5246-084
Vehicle Specific
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5215-120 MLS Cylinder Head Gasket Bore Thick - 4.270 120

Cometic C5215-120 MLS Cylinder Head Gasket Bore Thick - 4.270 120

7 reviews
Part: C5215-120
Vehicle Specific
$228.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5404-027 MLS Head Gasket Chevy Small Block Bore Thick - 4.030 027

Cometic C5404-027 MLS Head Gasket Chevy Small Block Bore Thick - 4.030 027

62 reviews
Part: C5404-027
Vehicle Specific
$95.07
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5786-051 Chevy Small Block Head Gasket MLX Bore - V8 051 4.220

Cometic C5786-051 Chevy Small Block Head Gasket MLX Bore - V8 051 4.220

8 reviews
Part: C5786-051
Vehicle Specific
$125.53
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5786-044 MLX Cylinder Head Gasket for Chevy Small Block Bore - 4.220

Cometic C5786-044 MLX Cylinder Head Gasket for Chevy Small Block Bore - 4.220

73 reviews
Part: C5786-044
Vehicle Specific
$125.53
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

Cometic C5270-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

36 reviews
Part: C5270-036
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5403-098 MLS Cylinder Head Gasket 4.200" Bore .098" Thick Chevy SBC

Cometic C5403-098 MLS Cylinder Head Gasket 4.200" Bore .098" Thick Chevy SBC

68 reviews
Part: C5403-098
Vehicle Specific
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5271-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for Gen-1 V8 4.125

Cometic C5271-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for Gen-1 V8 4.125

74 reviews
Part: C5271-027
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-095 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

Cometic C5331-095 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

48 reviews
Part: C5331-095
Vehicle Specific
$158.09
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-050 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

Cometic C5331-050 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

60 reviews
Part: C5331-050
Vehicle Specific
$148.04
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5434-140 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-140 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

64 reviews
Part: C5434-140
Vehicle Specific
$232.00
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5272-080 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5272-080 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

21 reviews
Part: C5272-080
Vehicle Specific
$140.32
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-023 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

Cometic C5331-023 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

70 reviews
Part: C5331-023
Vehicle Specific
$107.93
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-081 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

Cometic C5331-081 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

28 reviews
Part: C5331-081
Vehicle Specific
$158.13
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.