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Chevrolet Trailblazer Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet Trailblazer span model years 2002–2024, covering everything from cylinder head gaskets to intake manifold gasket sets. Pick your Chevrolet Trailblazer's year above to narrow the list to engine gaskets and seals with confirmed fitment. Every part shown is checked against our vehicle data.

151 - 180 of 199 results

Best Seller
Picture of Cometic C15025 GM Small Block Valley Pan Gasket - Gen-4 V8 Representative Photo, actual item may vary

Cometic C15025 GM Small Block Valley Pan Gasket - Gen-4 V8

76 reviews
Part: C15025
Vehicle Specific
$30.40
Ships from manufacturer
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Picture of Cometic C5475-054 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-054 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

76 reviews
Part: C5475-054
Vehicle Specific
$129.83
Ships from manufacturer
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Picture of Cometic C5477-030 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.000 030

Cometic C5477-030 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.000 030

27 reviews
Part: C5477-030
Vehicle Specific
$98.30
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5476-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970 075

Cometic C5476-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970 075

50 reviews
Part: C5476-075
Vehicle Specific
$129.83
Ships from manufacturer
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Picture of Cometic C5751-086 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-086 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

55 reviews
Part: C5751-086
Vehicle Specific
$139.28
Ships from manufacturer
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Picture of Cometic C5475-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

28 reviews
Part: C5475-056
Vehicle Specific
$129.83
Ships from manufacturer
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Picture of Cometic C5319-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

60 reviews
Part: C5319-056
Vehicle Specific
$101.32
Ships from manufacturer
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Picture of Cometic C5319-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

10 reviews
Part: C5319-075
Vehicle Specific
$101.32
Ships from manufacturer
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Picture of Cometic C15514-051 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.070

Cometic C15514-051 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.070

19 reviews
Part: C15514-051
Vehicle Specific
$97.41
Ships from manufacturer
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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
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Picture of Cometic C15508-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.085

Cometic C15508-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.085

6 reviews
Part: C15508-051
Vehicle Specific
$100.42
Ships from manufacturer
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Picture of Cometic C5317-034 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-034 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

8 reviews
Part: C5317-034
Vehicle Specific
$98.30
Ships from manufacturer
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Picture of Cometic C15515-040 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.030

Cometic C15515-040 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.030

9 reviews
Part: C15515-040
Vehicle Specific
$100.42
Ships from manufacturer
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Picture of Cometic C15496-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.080

Cometic C15496-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.080

75 reviews
Part: C15496-051
Vehicle Specific
$97.41
Ships from manufacturer
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Picture of Cometic C15361-036 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.810

Cometic C15361-036 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.810

68 reviews
Part: C15361-036
Vehicle Specific
$98.30
Ships from manufacturer
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Picture of Cometic C15517-040 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.200

Cometic C15517-040 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.200

62 reviews
Part: C15517-040
Vehicle Specific
$97.39
Ships from manufacturer
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Picture of Cometic CP15280 GM LS Gen-3/4 Timing Cover Gasket Set

Cometic CP15280 GM LS Gen-3/4 Timing Cover Gasket Set

18 reviews
Part: CP15280
Vehicle Specific
$175.10
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15361-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.810

Cometic C15361-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.810

6 reviews
Part: C15361-051
Vehicle Specific
$97.41
Ships from manufacturer
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Free Shipping
Picture of Cometic C15361-040 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.810

Cometic C15361-040 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.810

17 reviews
Part: C15361-040
Vehicle Specific
$97.41
Ships from manufacturer
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Picture of Cometic C15361-060 MLS Cylinder Head Gasket for GM LS1/LS2/LS3/LS6 Gen III/IV

Cometic C15361-060 MLS Cylinder Head Gasket for GM LS1/LS2/LS3/LS6 Gen III/IV

15 reviews
Part: C15361-060
Vehicle Specific
$129.83
Ships from manufacturer
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Picture of Cometic C15524-060 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.200

Cometic C15524-060 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.200

74 reviews
Part: C15524-060
Vehicle Specific
$129.83
Ships from manufacturer
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Picture of Cometic C5319-098 GM MLS Cylinder Head Gasket Bore Thick - LS1/LS2/LS3/LS6 4.190 098

Cometic C5319-098 GM MLS Cylinder Head Gasket Bore Thick - LS1/LS2/LS3/LS6 4.190 098

61 reviews
Part: C5319-098
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C15494-051 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.030

Cometic C15494-051 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.030

59 reviews
Part: C15494-051
Vehicle Specific
$99.60
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5319-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.190

Cometic C5319-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.190

18 reviews
Part: C5319-092
Vehicle Specific
$126.82
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

19 reviews
Part: C5319-070
Vehicle Specific
$101.32
Ships from manufacturer
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Free Shipping
Picture of Cometic C15482-062 GM Gen-3/4 LS V8 Cylinder Head Gasket .062" MLX 3.940" Bore

Cometic C15482-062 GM Gen-3/4 LS V8 Cylinder Head Gasket .062" MLX 3.940" Bore

42 reviews
Part: C15482-062
Vehicle Specific
$124.72
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5751-084 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-084 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

15 reviews
Part: C5751-084
Vehicle Specific
$137.09
Ships from manufacturer
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Picture of Cometic C15740-063 Copper Head Gasket .063 Inch Thickness

Cometic C15740-063 Copper Head Gasket .063 Inch Thickness

74 reviews
Part: C15740-063
Vehicle Specific
$272.59
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5477-040 GM MLS Cylinder Head Gasket Bore Thick - LS1/LS2/LS3/LS6 4.000 040

Cometic C5477-040 GM MLS Cylinder Head Gasket Bore Thick - LS1/LS2/LS3/LS6 4.000 040

70 reviews
Part: C5477-040
Vehicle Specific
$97.41
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5789-045 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.125 045

Cometic C5789-045 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.125 045

49 reviews
Part: C5789-045
Vehicle Specific
$105.04
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet Trailblazer

  • Engine Cylinder Head Gaskets — individual gaskets in OE replacement and performance configurations
  • Engine Intake Manifold Gasket Sets — front and rear positions, available as complete kit assemblies
  • Engine Cylinder Head Gasket Sets — multi-piece kits with rubber sealing components for comprehensive coverage

The widest selection here comes from Cometic, Victor, MAHLE, and Fel-Pro, each offering a broad range of gasket types and materials across Chevrolet Trailblazer model years. Other categories Chevrolet Trailblazer owners shop for: Chevrolet Trailblazer Springs and Suspension Parts, Chevrolet Trailblazer Shocks and Struts and Chevrolet Trailblazer Doors and Door Parts, or browse all Chevrolet Trailblazer parts and accessories.