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Chevrolet G20 Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet G20 span the full 1965–1995 model range, covering cylinder head gaskets, intake manifold gasket sets, and a variety of seals in OE-replacement and performance configurations. Select your year above and we'll show only the engine gaskets and seals that fit your Chevrolet G20. Fitment is checked against our vehicle data for every part listed.

511 - 540 of 680 results

Best Seller Free Shipping
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
$232.11
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
$104.67
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
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5269-075 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5269-075 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

8 reviews
Part: C5269-075
Vehicle Specific
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5246-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

Cometic C5246-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

47 reviews
Part: C5246-089
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5271-051 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5271-051 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

52 reviews
Part: C5271-051
Vehicle Specific
$104.67
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5271-045 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

Cometic C5271-045 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.125

26 reviews
Part: C5271-045
Vehicle Specific
$104.67
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5331-042 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

Cometic C5331-042 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630

58 reviews
Part: C5331-042
Vehicle Specific
$114.52
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5081-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.510

Cometic C5081-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.510

57 reviews
Part: C5081-040
Vehicle Specific
$110.52
Ships from manufacturer
Picture for manufacturer Cometic
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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
$232.11
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5434-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

25 reviews
Part: C5434-098
Vehicle Specific
$148.61
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5329-053 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.375

Cometic C5329-053 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.375

12 reviews
Part: C5329-053
Vehicle Specific
$114.92
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5474-089 MLS Head Gasket Chevy Small Block Bore Thick - 4.080 089

Cometic C5474-089 MLS Head Gasket Chevy Small Block Bore Thick - 4.080 089

61 reviews
Part: C5474-089
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-140 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200

Cometic C5273-140 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200

38 reviews
Part: C5273-140
Vehicle Specific
$232.11
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
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Picture of Cometic C5245-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

Cometic C5245-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060

56 reviews
Part: C5245-050
Vehicle Specific
$126.68
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5408-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 036

Cometic C5408-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 036

30 reviews
Part: C5408-036
Vehicle Specific
$95.97
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5403-056 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.200

Cometic C5403-056 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.200

52 reviews
Part: C5403-056
Vehicle Specific
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5402-056 Chevy Small Block MLS Head Gasket Bore - V8 4.160 056

Cometic C5402-056 Chevy Small Block MLS Head Gasket Bore - V8 4.160 056

16 reviews
Part: C5402-056
Vehicle Specific
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5215-066 MLS Cylinder Head Gasket for GM Dart/Brodix Small Block V8 4.270" Bore

Cometic C5215-066 MLS Cylinder Head Gasket for GM Dart/Brodix Small Block V8 4.270" Bore

47 reviews
Part: C5215-066
Vehicle Specific
$135.52
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5330-067 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.540

Cometic C5330-067 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.540

45 reviews
Part: C5330-067
Vehicle Specific
$144.67
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5273-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5273-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

45 reviews
Part: C5273-027
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5272-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 Gen-1 4.165

Cometic C5272-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 Gen-1 4.165

49 reviews
Part: C5272-027
Vehicle Specific
$97.27
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
$158.24
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5249-062 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5249-062 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

12 reviews
Part: C5249-062
Vehicle Specific
$129.77
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5432-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

Cometic C5432-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.310

67 reviews
Part: C5432-098
Vehicle Specific
$149.01
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5249-056 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5249-056 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

55 reviews
Part: C5249-056
Vehicle Specific
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5249-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5249-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

78 reviews
Part: C5249-032
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5247-042 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 042

Cometic C5247-042 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 042

48 reviews
Part: C5247-042
Vehicle Specific
$102.08
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet G20

  • Engine cylinder head gaskets — available in OE-replacement and performance materials
  • Engine intake manifold gasket sets — front and rear configurations, rubber and composite options
  • Individual seals and gasket kits for various engine positions

The widest selection here comes from Cometic, Victor, MAHLE, and Speedmaster, spanning both stock-replacement and higher-output builds across the G20's model years. Other categories Chevrolet G20 owners shop for: Chevrolet G20 Exterior Lights, Chevrolet G20 Doors and Door Parts and Chevrolet G20 Mufflers, or browse all Chevrolet G20 parts and accessories.