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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.

301 - 330 of 519 results

Best Seller Free Shipping
Picture of Cometic C5246-027 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 Gen-1

Cometic C5246-027 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 Gen-1

32 reviews
Part: C5246-027
Vehicle Specific
$97.42
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller
Picture of Cometic 3164V Viton Valve Stem Seal - 8x12.3x12x17mm

Cometic 3164V Viton Valve Stem Seal - 8x12.3x12x17mm

72 reviews
Part: 3164V
$3.66
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
Picture of Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

10 reviews
Part: C5274-040
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

24 reviews
Part: C5474-070
Vehicle Specific
$129.83
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

48 reviews
Part: C5245-045
Vehicle Specific
$101.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

68 reviews
Part: C5269-036
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5410-027 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

Cometic C5410-027 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8

51 reviews
Part: C5410-027
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

60 reviews
Part: C5407-045
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5537-188 Valve Cover Gasket Chevy Small Block Fiber - V8 Gen-1 188

Cometic C5537-188 Valve Cover Gasket Chevy Small Block Fiber - V8 Gen-1 188

39 reviews
Part: C5537-188
Vehicle Specific
$22.51
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5528-125 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5528-125 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

71 reviews
Part: C5528-125
Vehicle Specific
$30.34
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5390 Valve Cover Gasket Chevy Small Block Fiber - Gen-1 V8

Cometic C5390 Valve Cover Gasket Chevy Small Block Fiber - Gen-1 V8

50 reviews
Part: C5390
Vehicle Specific
$22.51
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5469 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.004

Cometic C5469 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.004

67 reviews
Part: C5469
Vehicle Specific
$97.39
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5401-045 MLS Head Gasket Small Block Chevy Bore Thick - 4.135 045

Cometic C5401-045 MLS Head Gasket Small Block Chevy Bore Thick - 4.135 045

19 reviews
Part: C5401-045
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5433-036 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.570

Cometic C5433-036 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.570

16 reviews
Part: C5433-036
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5400-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 051

Cometic C5400-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 051

13 reviews
Part: C5400-051
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5401-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135

Cometic C5401-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135

73 reviews
Part: C5401-027
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 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
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
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
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
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 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
Free Shipping
Picture of Cometic C5402-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

Cometic C5402-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036

58 reviews
Part: C5402-036
Vehicle Specific
$96.10
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5403-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 060

Cometic C5403-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 060

20 reviews
Part: C5403-060
Vehicle Specific
$127.71
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5330-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.540

Cometic C5330-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.540

60 reviews
Part: C5330-045
Vehicle Specific
$112.47
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5434-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

Cometic C5434-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630

26 reviews
Part: C5434-030
Vehicle Specific
$100.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

44 reviews
Part: C5406-051
Vehicle Specific
$98.99
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5408-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 045

Cometic C5408-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 045

27 reviews
Part: C5408-045
Vehicle Specific
$98.99
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.