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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.

61 - 90 of 495 results

Best Seller Free Shipping
Picture of Cometic C5407-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5407-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

12 reviews
Part: C5407-040
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of COMP Cams Valve Stem Seal

COMP Cams Valve Stem Seal

66 reviews
Vehicle Specific
from $4
In Stock (10+)
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Picture of Mr. Gasket Timing Cover Gasket Sets

Mr. Gasket Timing Cover Gasket Sets

63 reviews
Vehicle Specific
from $27
2 left at this price
Picture for manufacturer Mr. Gasket
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Picture of Mr. Gasket Cam Change Gasket Sets

Mr. Gasket Cam Change Gasket Sets

57 reviews
Vehicle Specific
from $77
In Stock (10+)
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Picture of Cometic C5248-120 MLS Head Gasket Chevy Small Block Bore Thick - 4.165 120

Cometic C5248-120 MLS Head Gasket Chevy Small Block Bore Thick - 4.165 120

69 reviews
Part: C5248-120
Vehicle Specific
$228.77
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-140 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5248-140 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

78 reviews
Part: C5248-140
Vehicle Specific
$228.77
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Mr. Gasket 116 Intake Manifold Gasket Set .125 Inch Thick

Mr. Gasket 116 Intake Manifold Gasket Set .125 Inch Thick

42 reviews
Part: 116
Vehicle Specific
$49.95
In Stock (6)
Picture for manufacturer Mr. Gasket
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Picture of Cometic C5331-030 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

Cometic C5331-030 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

69 reviews
Part: C5331-030
Vehicle Specific
$108.07
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Mr. Gasket Timing Cover Seals

Mr. Gasket Timing Cover Seals

38 reviews
Vehicle Specific
from $9
In Stock (10+)
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Picture of Cometic C5249-086 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200

Cometic C5249-086 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200

41 reviews
Part: C5249-086
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

15 reviews
Part: C5245-086
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-098 MLS Head Gasket Chevy Small Block Bore Thick - 4.060 098

Cometic C5245-098 MLS Head Gasket Chevy Small Block Bore Thick - 4.060 098

31 reviews
Part: C5245-098
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

12 reviews
Part: C5245-084
Vehicle Specific
$137.09
Ships from manufacturer
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Picture of Cometic C5249-098 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.200

Cometic C5249-098 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.200

16 reviews
Part: C5249-098
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-098 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5248-098 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

14 reviews
Part: C5248-098
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-092 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165

Cometic C5248-092 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165

39 reviews
Part: C5248-092
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-095 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5248-095 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

76 reviews
Part: C5248-095
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5248-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

22 reviews
Part: C5248-089
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.060

Cometic C5245-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.060

63 reviews
Part: C5245-066
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-075 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.165

Cometic C5248-075 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.165

77 reviews
Part: C5248-075
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5248-056 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5248-056 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

20 reviews
Part: C5248-056
Vehicle Specific
$126.80
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 070 4.060

Cometic C5245-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 070 4.060

49 reviews
Part: C5245-070
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Mr. Gasket High-Performance Engine Head Gaskets

Mr. Gasket High-Performance Engine Head Gaskets

64 reviews
Vehicle Specific
from $50
1 left at this price
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Picture of Cometic C5249-075 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

Cometic C5249-075 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 V8

31 reviews
Part: C5249-075
Vehicle Specific
$119.29
2 left at this price
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5246-075 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.100

Cometic C5246-075 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.100

54 reviews
Part: C5246-075
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5249-089 MLS Head Gasket Chevy Small Block Bore Thick - 4.200 089

Cometic C5249-089 MLS Head Gasket Chevy Small Block Bore Thick - 4.200 089

21 reviews
Part: C5249-089
Vehicle Specific
$137.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5404-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 040 V8

Cometic C5404-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 040 V8

68 reviews
Part: C5404-040
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5403-030 MLS Head Gasket Small Block Chevy Bore Thick - 4.200 030

Cometic C5403-030 MLS Head Gasket Small Block Chevy Bore Thick - 4.200 030

39 reviews
Part: C5403-030
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5247-036 MLS Cylinder Head Gasket 4.125" Bore Chevy SBC Small Block

Cometic C5247-036 MLS Cylinder Head Gasket 4.125" Bore Chevy SBC Small Block

18 reviews
Part: C5247-036
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Mr. Gasket 5851 Ultra-Seal Intake Manifold Gaskets

Mr. Gasket 5851 Ultra-Seal Intake Manifold Gaskets

58 reviews
Part: 5851
Vehicle Specific
$59.35
In Stock (10+)
Picture for manufacturer Mr. Gasket

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.