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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.

451 - 480 of 521 results

Best Seller Free Shipping
Picture of Cometic PRO1003T-NHG Top End Gasket Kit for Chevrolet Small Block - 350/400 Gen-1 V8

Cometic PRO1003T-NHG Top End Gasket Kit for Chevrolet Small Block - 350/400 Gen-1 V8

49 reviews
Part: PRO1003T-NHG
Vehicle Specific
$154.23
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
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
Best Seller Free Shipping
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
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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 C5413-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.145

Cometic C5413-036 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.145

44 reviews
Part: C5413-036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

14 reviews
Part: C5215-070
Vehicle Specific
$135.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1005T-4375-062 Chevy Big Block Mark IV Top End Gasket Kit

Cometic PRO1005T-4375-062 Chevy Big Block Mark IV Top End Gasket Kit

12 reviews
Part: PRO1005T-4375-062
Vehicle Specific
$254.79
Ships from manufacturer
Picture for manufacturer Cometic
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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
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Picture of Cometic C5786-052 Chevrolet Small Block V8 .052" MLX Head Gasket 4.220" Bore

Cometic C5786-052 Chevrolet Small Block V8 .052" MLX Head Gasket 4.220" Bore

42 reviews
Part: C5786-052
Vehicle Specific
$125.67
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic PRO1004T-4060-062 Top End Gasket Kit for Chevy Small Block - 305/350 V8

Cometic PRO1004T-4060-062 Top End Gasket Kit for Chevy Small Block - 305/350 V8

69 reviews
Part: PRO1004T-4060-062
Vehicle Specific
$383.86
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP15615 Timing Cover Gasket Set - Chevy Small Block Gen I V8

Cometic CP15615 Timing Cover Gasket Set - Chevy Small Block Gen I V8

73 reviews
Part: CP15615
Vehicle Specific
$40.56
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15283 Timing Cover Seal for Chevrolet Mark IV & GM Gen V/VI Big Block V8 Representative Photo, actual item may vary

Cometic C15283 Timing Cover Seal for Chevrolet Mark IV & GM Gen V/VI Big Block V8

6 reviews
Part: C15283
$14.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15680-040 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.680

Cometic C15680-040 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.680

76 reviews
Part: C15680-040
$110.20
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15282 Timing Cover Seal for Chevrolet Small Block - V8 Representative Photo, actual item may vary

Cometic C15282 Timing Cover Seal for Chevrolet Small Block - V8

73 reviews
Part: C15282
$12.00
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP5345 Timing Cover Gasket Set for Chevy Big Block V8

Cometic CP5345 Timing Cover Gasket Set for Chevy Big Block V8

69 reviews
Part: CP5345
Vehicle Specific
$44.09
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic CP5542 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5542 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

42 reviews
Part: CP5542
Vehicle Specific
$161.86
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic CP5528 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5528 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

12 reviews
Part: CP5528
Vehicle Specific
$161.86
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic CP15282 Timing Cover Seal Set for Chevy Small Block Gen-1 V8 Representative Photo, actual item may vary

Cometic CP15282 Timing Cover Seal Set for Chevy Small Block Gen-1 V8

67 reviews
Part: CP15282
Vehicle Specific
$40.09
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic CP5541 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

Cometic CP5541 Intake Manifold Gasket Set Chevy Small Block Gen I - V8

35 reviews
Part: CP5541
Vehicle Specific
$161.86
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5425-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5425-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

66 reviews
Part: C5425-059
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5427-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5427-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

60 reviews
Part: C5427-059
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5406-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5406-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

76 reviews
Part: C5406-040
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5536-060 Intake Manifold End Seals Kit for Chevrolet Gen-1 Small Block V8

Cometic C5536-060 Intake Manifold End Seals Kit for Chevrolet Gen-1 Small Block V8

16 reviews
Part: C5536-060
Vehicle Specific
$7.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5404-030 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5404-030 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

48 reviews
Part: C5404-030
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5329-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for V8 4.375

Cometic C5329-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for V8 4.375

44 reviews
Part: C5329-045
Vehicle Specific
$112.47
Ships from manufacturer
Picture for manufacturer Cometic
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
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5954-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 V8

Cometic C5954-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 V8

73 reviews
Part: C5954-040
Vehicle Specific
$95.19
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5399-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 036 V8

Cometic C5399-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 036 V8

25 reviews
Part: C5399-036
Vehicle Specific
$96.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5410-045 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5410-045 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

39 reviews
Part: C5410-045
Vehicle Specific
$102.21
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5329-027 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.375

Cometic C5329-027 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.375

29 reviews
Part: C5329-027
Vehicle Specific
$108.07
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.