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Chevrolet Trailblazer EXT Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet Trailblazer EXT cover model years 2002 through 2009, with options ranging from individual cylinder head gaskets to complete gasket sets. Choose your model year above and this page keeps only the engine gaskets and seals that fit your Chevrolet Trailblazer EXT. Each listing is matched to our vehicle fitment data before it appears here.

151 - 180 of 226 results

Best Seller Free Shipping
Picture of Cometic C5318-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160 070

Cometic C5318-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160 070

73 reviews
Part: C5318-070
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5318-066 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-066 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

75 reviews
Part: C5318-066
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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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
$101.20
Ships from manufacturer
Picture for manufacturer Cometic
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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
Picture for manufacturer Cometic
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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
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.17
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
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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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
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
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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
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
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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
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
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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
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$100.76
Ships from manufacturer
Picture for manufacturer Cometic
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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
$101.20
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$100.76
Ships from manufacturer
Picture for manufacturer Cometic
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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
$125.06
Ships from manufacturer
Picture for manufacturer Cometic
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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
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$100.36
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
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
$136.97
Ships from manufacturer
Picture for manufacturer Cometic
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
Picture for manufacturer Cometic
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Picture of Cometic C5477-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.000

Cometic C5477-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.000

75 reviews
Part: C5477-092
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-080 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-080 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

65 reviews
Part: C5319-080
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5317-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

36 reviews
Part: C5317-092
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5476-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

Cometic C5476-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

69 reviews
Part: C5476-027
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5475-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910 092

Cometic C5475-092 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910 092

30 reviews
Part: C5475-092
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5318-089 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-089 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

34 reviews
Part: C5318-089
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5489-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

Cometic C5489-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

34 reviews
Part: C5489-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5477-098 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.000

Cometic C5477-098 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.000

75 reviews
Part: C5477-098
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5505-066 MLX Cylinder Head Gasket Bore Thick GM - 4.040 066 LS1/LS2/LS3/LS6

Cometic C5505-066 MLX Cylinder Head Gasket Bore Thick GM - 4.040 066 LS1/LS2/LS3/LS6

53 reviews
Part: C5505-066
Vehicle Specific
$128.12
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet Trailblazer EXT

  • Engine Cylinder Head Gaskets — individual head gaskets including OE-replacement and performance styles
  • Engine Cylinder Head Gasket Sets — complete kits covering front, rear, and manifold sealing points in rubber and composite materials

The widest selection here comes from Cometic, MAHLE, Victor, and Fel-Pro, each offering a broad range of head gaskets and gasket sets matched to the Chevrolet Trailblazer EXT. Other categories Chevrolet Trailblazer EXT owners shop for: Chevrolet Trailblazer EXT Springs and Suspension Parts, Chevrolet Trailblazer EXT Valve Train Parts and Chevrolet Trailblazer EXT HVAC Temperature Controls, or browse all Chevrolet Trailblazer EXT parts and accessories.