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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.

271 - 300 of 495 results

Best Seller 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
Best Seller 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
Best Seller
Picture of Cometic C15041-060 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C15041-060 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

20 reviews
Part: C15041-060
Vehicle Specific
$26.99
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-036 Chevrolet Gen-1 Small Block V8 MLS Head Gasket 4.200" Bore

Cometic C5273-036 Chevrolet Gen-1 Small Block V8 MLS Head Gasket 4.200" Bore

73 reviews
Part: C5273036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15007-060 Chevrolet LB1/LB4 Gen-1 90° V6 Intake Manifold Gasket

Cometic C15007-060 Chevrolet LB1/LB4 Gen-1 90° V6 Intake Manifold Gasket

78 reviews
Part: C15007-060
Vehicle Specific
$26.60
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5427-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5427-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

60 reviews
Part: C5427-059
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5406-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5406-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

76 reviews
Part: C5406-040
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5425-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5425-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

66 reviews
Part: C5425-059
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

44 reviews
Part: C5406-051
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5474-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 036 4.080

Cometic C5474-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 036 4.080

40 reviews
Part: C5474-036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5470 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.040

Cometic C5470 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.040

68 reviews
Part: C5470
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-036 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

Cometic C5432-036 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

50 reviews
Part: C5432-036
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5402-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

Cometic C5402-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

58 reviews
Part: C5402-036
Vehicle Specific
$96.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5403-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 060

Cometic C5403-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 060

20 reviews
Part: C5403-060
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5411-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5411-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

27 reviews
Part: C5411-027
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310 030

Cometic C5432-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310 030

10 reviews
Part: C5432-030
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5413-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5413-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

24 reviews
Part: C5413-040
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5413-030 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.145

Cometic C5413-030 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.145

62 reviews
Part: C5413-030
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5330-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.540

Cometic C5330-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.540

60 reviews
Part: C5330-045
Vehicle Specific
$112.47
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5491 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.500

Cometic C5491 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.500

12 reviews
Part: C5491
Vehicle Specific
$103.73
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-027 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

Cometic C5432-027 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

51 reviews
Part: C5432-027
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5401-045 MLS Head Gasket Small Block Chevy Bore Thick - 4.135 045

Cometic C5401-045 MLS Head Gasket Small Block Chevy Bore Thick - 4.135 045

19 reviews
Part: C5401-045
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5434-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

26 reviews
Part: C5434-030
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5469 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.004

Cometic C5469 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.004

67 reviews
Part: C5469
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic 3164V Viton Valve Stem Seal - 8x12.3x12x17mm

Cometic 3164V Viton Valve Stem Seal - 8x12.3x12x17mm

72 reviews
Part: 3164V
$3.66
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5399-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.030

Cometic C5399-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.030

14 reviews
Part: C5399-051
Vehicle Specific
$99.90
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5408-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 045

Cometic C5408-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 045

27 reviews
Part: C5408-045
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5474-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for 350 383 4.080

Cometic C5474-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for 350 383 4.080

43 reviews
Part: C5474-051
Vehicle Specific
$101.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5410-036 MLS Head Gasket Chevy Small Block Bore Thick - 4.165 036

Cometic C5410-036 MLS Head Gasket Chevy Small Block Bore Thick - 4.165 036

31 reviews
Part: C5410-036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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

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.