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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.

421 - 450 of 521 results

Best Seller 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
Best Seller 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
Best Seller 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 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
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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 C5031-052 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C5031-052 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

57 reviews
Part: C5031-052
Vehicle Specific
$152.06
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5270-045 MLS Head Gasket Chevy Small Block Bore Thick - 4.100 045

Cometic C5270-045 MLS Head Gasket Chevy Small Block Bore Thick - 4.100 045

30 reviews
Part: C5270-045
Vehicle Specific
$102.21
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5246-038 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

Cometic C5246-038 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

47 reviews
Part: C5246-038
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-034 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

Cometic C5245-034 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

65 reviews
Part: C5245-034
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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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
Free Shipping
Picture of Cometic C15396-040 Chevrolet Small Block MLS Head Gasket Bore - Gen-1 V8 040 4.190

Cometic C15396-040 Chevrolet Small Block MLS Head Gasket Bore - Gen-1 V8 040 4.190

17 reviews
Part: C15396-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15512-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

Cometic C15512-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165

68 reviews
Part: C15512-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15504-040 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165

Cometic C15504-040 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165

59 reviews
Part: C15504-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15499-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C15499-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

65 reviews
Part: C15499-040
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15318 Intake Manifold Gasket Kit for Chevrolet Gen-1 Small Block V8 Representative Photo, actual item may vary

Cometic C15318 Intake Manifold Gasket Kit for Chevrolet Gen-1 Small Block V8

61 reviews
Part: C15318
Vehicle Specific
$30.11
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15529-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.500

Cometic C15529-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.500

70 reviews
Part: C15529-040
Vehicle Specific
$110.19
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5530-020 Chevrolet Gen-1 Small Block V8 Timing Cover Gasket Kit

Cometic C5530-020 Chevrolet Gen-1 Small Block V8 Timing Cover Gasket Kit

10 reviews
Part: C5530-020
Vehicle Specific
$19.12
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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 PRO1005T-4000-040 Top End Gasket Kit for Chevrolet 366 Big Block V8

Cometic PRO1005T-4000-040 Top End Gasket Kit for Chevrolet 366 Big Block V8

29 reviews
Part: PRO1005T-4000-040
Vehicle Specific
$350.02
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1003T-400-040 Top End Gasket Kit for Chevy Small Block - 350 V8

Cometic PRO1003T-400-040 Top End Gasket Kit for Chevy Small Block - 350 V8

40 reviews
Part: PRO1003T-400-040
Vehicle Specific
$281.50
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1005T-4300-040 Top End Gasket Kit for Chevy Big Block Mark IV - V8

Cometic PRO1005T-4300-040 Top End Gasket Kit for Chevy Big Block Mark IV - V8

59 reviews
Part: PRO1005T-4300-040
Vehicle Specific
$217.70
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1005T-4200-040 Top End Gasket Kit for Chevrolet 396/402 Big Block V8

Cometic PRO1005T-4200-040 Top End Gasket Kit for Chevrolet 396/402 Big Block V8

26 reviews
Part: PRO1005T-4200-040
Vehicle Specific
$213.57
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5434-089 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-089 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

56 reviews
Part: C5434-089
Vehicle Specific
$148.68
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1003T-4100-027 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

Cometic PRO1003T-4100-027 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

52 reviews
Part: PRO1003T-4100-027
Vehicle Specific
$281.50
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C15304 Intake Manifold Gasket Set Chevy Big Block Mark IV Gen V/VI Representative Photo, actual item may vary

Cometic C15304 Intake Manifold Gasket Set Chevy Big Block Mark IV Gen V/VI

20 reviews
Part: C15304
Vehicle Specific
$35.40
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Edelbrock 6998 Front Timing Cover Gasket Set Big-Block Chevy with Seal

Edelbrock 6998 Front Timing Cover Gasket Set Big-Block Chevy with Seal

54 reviews
Part: 6998
Vehicle Specific
$21.95
Ships from manufacturer
Picture for manufacturer Edelbrock
Free Shipping
Picture of Cometic C5273-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5273-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

8 reviews
Part: C5273-023
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5649-039 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C5649-039 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

60 reviews
Part: C5649-039
Vehicle Specific
$26.99
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

37 reviews
Part: C5649-031
Vehicle Specific
$26.99
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.