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Chevrolet K20 Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet K20 cover model years 1975 through 1986, with options ranging from cylinder head gaskets to intake manifold gasket sets. Choose your model year above and this page keeps only the engine gaskets and seals that fit your Chevrolet K20. Each listing is matched to our vehicle fitment data before it appears here.

361 - 390 of 491 results

Best Seller Free Shipping
Picture of Cometic C5407-070 MLS Cylinder Head Gasket 4.160" Bore .070" Thickness Chevy Small Block

Cometic C5407-070 MLS Cylinder Head Gasket 4.160" Bore .070" Thickness Chevy Small Block

79 reviews
Part: C5407-070
Vehicle Specific
$112.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5403-095 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.200 095

Cometic C5403-095 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.200 095

24 reviews
Part: C5403-095
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-098 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5273-098 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

52 reviews
Part: C5273-098
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5273-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

8 reviews
Part: C5273-086
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-056 MLS Head Gasket Chevy Small Block Bore Thick - 4.200 056

Cometic C5273-056 MLS Head Gasket Chevy Small Block Bore Thick - 4.200 056

8 reviews
Part: C5273-056
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5271-060 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 060

Cometic C5271-060 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 060

35 reviews
Part: C5271-060
Vehicle Specific
$129.83
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5247-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

Cometic C5247-023 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

69 reviews
Part: C5247-023
Vehicle Specific
$97.39
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
$180.11
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
$127.71
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
$129.83
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
$125.67
Ships from manufacturer
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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
$228.77
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15411-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.165

Cometic C15411-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.165

19 reviews
Part: C15411-043
Vehicle Specific
$122.08
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15415-043 Copper Head Gasket for Chevy Big Block Mark IV 4.630" Bore

Cometic C15415-043 Copper Head Gasket for Chevy Big Block Mark IV 4.630" Bore

73 reviews
Part: C15415-043
Vehicle Specific
$135.78
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15414-043 Chevrolet Mark IV Big Block V8 Cylinder Head Gasket 4.530" Bore

Cometic C15414-043 Chevrolet Mark IV Big Block V8 Cylinder Head Gasket 4.530" Bore

47 reviews
Part: C15414-043
Vehicle Specific
$135.78
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15413-043 Copper Cylinder Head Gasket for Chevy Big Block Mark IV 4.320" Bore

Cometic C15413-043 Copper Cylinder Head Gasket for Chevy Big Block Mark IV 4.320" Bore

25 reviews
Part: C15413-043
Vehicle Specific
$135.78
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15412-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.200

Cometic C15412-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.200

38 reviews
Part: C15412-043
Vehicle Specific
$122.08
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5215-045 MLS Head Gasket GM Small Block 4.270" Bore .045" Thick

Cometic C5215-045 MLS Head Gasket GM Small Block 4.270" Bore .045" Thick

29 reviews
Part: C5215045
Vehicle Specific
$103.71
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
$98.30
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
$97.39
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
$232.11
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
$230.62
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
$368.40
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
$120.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

56 reviews
Part: C5786-062
Vehicle Specific
$125.67
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

47 reviews
Part: C5414-094
Vehicle Specific
$23.80
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
$350.02
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$260.53
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
$281.50
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1005T-4375-027 Chevrolet Mark IV Big Block Top End Gasket Kit - V8

Cometic PRO1005T-4375-027 Chevrolet Mark IV Big Block Top End Gasket Kit - V8

54 reviews
Part: PRO1005T-4375-027
Vehicle Specific
$350.02
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet K20

  • Engine cylinder head gaskets, including OE replacement and performance styles
  • Engine intake manifold gasket sets
  • Front and rear seals in rubber and composite materials
  • Complete gasket kits covering multiple sealing points

The widest selection of engine gaskets and seals for the Chevrolet K20 here comes from Cometic, Victor, MAHLE, and Speedmaster. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.