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GMC K1500 Engine Gaskets and Seals

This page brings together engine gaskets and seals for the GMC K1500, covering model years 1979–1999. The range includes cylinder head gaskets, intake manifold gasket sets, and related sealing components in OE-replacement and performance styles. Select your year above and we'll show only the engine gaskets and seals that fit your GMC K1500. Fitment is checked against our vehicle data for every part listed.

241 - 270 of 518 results

Best Seller 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
$102.21
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
$104.33
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
$104.33
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.30
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
$140.10
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
$126.80
Ships from manufacturer
Picture for manufacturer Cometic
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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
$129.83
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
$129.83
Ships from manufacturer
Picture for manufacturer Cometic
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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
$148.68
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5816-054 MLS Cylinder Head Gasket Chevy Big Block Bore - 4.320 054

Cometic C5816-054 MLS Cylinder Head Gasket Chevy Big Block Bore - 4.320 054

17 reviews
Part: C5816-054
Vehicle Specific
$145.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5816-052 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.320

Cometic C5816-052 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.320

60 reviews
Part: C5816-052
Vehicle Specific
$145.70
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 C5249-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5249-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

43 reviews
Part: C5249-084
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
Free Shipping
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
Free Shipping
Picture of Cometic C5403-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C5403-050 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

18 reviews
Part: C5403-050
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
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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
Free Shipping
Picture of Cometic C5331-047 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

Cometic C5331-047 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630

37 reviews
Part: C5331-047
Vehicle Specific
$114.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5330-084 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.540

Cometic C5330-084 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.540

39 reviews
Part: C5330-084
Vehicle Specific
$157.91
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
Free Shipping
Picture of Cometic C5248-102 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5248-102 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

65 reviews
Part: C5248-102
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5413-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.145

Cometic C5413-051 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.145

30 reviews
Part: C5413-051
Vehicle Specific
$104.33
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5411-080 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5411-080 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

19 reviews
Part: C5411-080
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5407-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

Cometic C5407-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

36 reviews
Part: C5407-036
Vehicle Specific
$96.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5403-098 MLS Cylinder Head Gasket 4.200" Bore .098" Thick Chevy SBC

Cometic C5403-098 MLS Cylinder Head Gasket 4.200" Bore .098" Thick Chevy SBC

68 reviews
Part: C5403-098
Vehicle Specific
$140.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5331-050 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

Cometic C5331-050 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630

60 reviews
Part: C5331-050
Vehicle Specific
$147.82
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5270-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

Cometic C5270-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100

36 reviews
Part: C5270-036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your GMC K1500

  • Engine cylinder head gaskets
  • Engine intake manifold gasket sets
  • Front and rear seal kits
  • Rubber seals and OE-replacement gasket components

The widest selection here comes from Cometic, Victor, MAHLE, and ACDelco, spanning both OE-style replacement pieces and performance-oriented gasket kits. Other categories GMC K1500 owners shop for: GMC K1500 Steering Gear and Parts, GMC K1500 Springs and Suspension Parts and GMC K1500 Exterior Lights, or browse all GMC K1500 parts and accessories.