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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 645 results

Best Seller Free Shipping
Picture of Cometic C5400-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 036

Cometic C5400-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 036

66 reviews
Part: C5400-036
Vehicle Specific
$95.07
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.87
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
$98.87
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5402-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.160 066

Cometic C5402-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.160 066

26 reviews
Part: C5402-066
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5303 Intake Manifold Gasket Set - Chevrolet Gen-1 Small Block V8

Cometic C5303 Intake Manifold Gasket Set - Chevrolet Gen-1 Small Block V8

46 reviews
Part: C5303
Vehicle Specific
$22.51
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5419-125 Intake Manifold Gasket Set Chevy Big Block Mark IV - V8

Cometic C5419-125 Intake Manifold Gasket Set Chevy Big Block Mark IV - V8

31 reviews
Part: C5419-125
Vehicle Specific
$71.49
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5537-188 Valve Cover Gasket Chevy Small Block Fiber - V8 Gen-1 188

Cometic C5537-188 Valve Cover Gasket Chevy Small Block Fiber - V8 Gen-1 188

39 reviews
Part: C5537-188
Vehicle Specific
$22.51
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5528-125 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5528-125 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

71 reviews
Part: C5528-125
Vehicle Specific
$30.34
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5390 Valve Cover Gasket Chevy Small Block Fiber - Gen-1 V8

Cometic C5390 Valve Cover Gasket Chevy Small Block Fiber - Gen-1 V8

50 reviews
Part: C5390
Vehicle Specific
$22.51
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

10 reviews
Part: C5274-040
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

68 reviews
Part: C5269-036
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

48 reviews
Part: C5245-045
Vehicle Specific
$101.18
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

60 reviews
Part: C5407-045
Vehicle Specific
$98.87
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
$97.27
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
$100.46
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
$97.27
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
$127.58
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
$97.27
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
$98.17
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
$100.46
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
$98.87
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5410-027 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5410-027 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

51 reviews
Part: C5410-027
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

24 reviews
Part: C5474-070
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5410-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 066 4.165

Cometic C5410-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 066 4.165

12 reviews
Part: C5410-066
Vehicle Specific
$127.58
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5408-075 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

Cometic C5408-075 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

13 reviews
Part: C5408-075
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5402-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 070

Cometic C5402-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 070

24 reviews
Part: C5402-070
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5399-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 070 V8

Cometic C5399-070 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 070 V8

28 reviews
Part: C5399-070
Vehicle Specific
$130.06
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-054 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

Cometic C5331-054 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

36 reviews
Part: C5331-054
Vehicle Specific
$148.04
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5274-030 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135

Cometic C5274-030 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135

18 reviews
Part: C5274-030
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5273-030 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5273-030 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

18 reviews
Part: C5273-030
Vehicle Specific
$98.17
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.