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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.

91 - 120 of 225 results

Best Seller Free Shipping
Picture of Cometic C5475-066 MLS Cylinder Head Gasket GM LS1/LS2/LS3/LS6 Gen 3/4 Small Block V8

Cometic C5475-066 MLS Cylinder Head Gasket GM LS1/LS2/LS3/LS6 Gen 3/4 Small Block V8

23 reviews
Part: C5475-066
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
Picture of Cometic C5751-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

41 reviews
Part: C5751-075
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
Picture of Cometic C5318-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-056 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

42 reviews
Part: C5318-056
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5751-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

42 reviews
Part: C5751-070
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5317-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

73 reviews
Part: C5317-070
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5318-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

30 reviews
Part: C5318-075
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
Picture of ACDelco 8642069 GM OEM Engine Oil System Sealing Washer

ACDelco 8642069 GM OEM Engine Oil System Sealing Washer

40 reviews
Part: 8642069
Vehicle Specific
$6.65
1 left at this price
Picture for manufacturer ACDelco
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Picture of SKF Crankshaft Oil Seal

SKF Crankshaft Oil Seal

31 reviews
Vehicle Specific
from $4
In Stock (10+)
Picture for manufacturer SKF
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Picture of SKF 37026 Radial Shaft Seal with Spring

SKF 37026 Radial Shaft Seal with Spring

18 reviews
Part: 37026
Vehicle Specific
$16.50
In Stock (10+)
Picture for manufacturer SKF
Picture of SKF 99364 Crankshaft Repair Sleeve

SKF 99364 Crankshaft Repair Sleeve

14 reviews
Part: 99364
Vehicle Specific
$27.08
In Stock (5)
Picture for manufacturer SKF
Free Shipping
Picture of ACDelco Oil Drain Plug Washer Sealing Gasket

ACDelco Oil Drain Plug Washer Sealing Gasket

42 reviews
Vehicle Specific
from $6
In Stock (10+)
Picture for manufacturer ACDelco
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Picture of GM Performance 12482063 Intake Valve Stem Oil Seal Kit for LS Engines

GM Performance 12482063 Intake Valve Stem Oil Seal Kit for LS Engines

61 reviews
Part: 12482063
Vehicle Specific
$20.79
1 left at this price
Picture for manufacturer GM Performance
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Picture of Cometic C5318-027 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-027 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.160

67 reviews
Part: C5318-027
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5476-040 MLS Head Gasket GM LS1 LS2 LS3 LS6 Gen 3/4 3.970 Bore

Cometic C5476-040 MLS Head Gasket GM LS1 LS2 LS3 LS6 Gen 3/4 3.970 Bore

76 reviews
Part: C5476-040
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5318-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

59 reviews
Part: C5318-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5475-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

71 reviews
Part: C5475-027
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5476-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

Cometic C5476-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

24 reviews
Part: C5476-051
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5317-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

77 reviews
Part: C5317-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5476-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

Cometic C5476-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.970

57 reviews
Part: C5476-045
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5317-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

42 reviews
Part: C5317-027
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5475-036 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-036 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 3.910

53 reviews
Part: C5475-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 045

Cometic C5319-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 045

40 reviews
Part: C5319-045
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5477-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.000

Cometic C5477-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.000

66 reviews
Part: C5477-045
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5477-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.000

Cometic C5477-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.000

65 reviews
Part: C5477-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5318-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

Cometic C5318-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.160

71 reviews
Part: C5318-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-040 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 040

Cometic C5319-040 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 040

71 reviews
Part: C5319-040
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-060 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-060 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

55 reviews
Part: C5319-060
Vehicle Specific
$101.20
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

Cometic C5319-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190

40 reviews
Part: C5319-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Picture of ACDelco 8642074 Automatic Transmission Input Clutch Thrust Washer

ACDelco 8642074 Automatic Transmission Input Clutch Thrust Washer

57 reviews
Part: 8642074
Vehicle Specific
$6.88
1 left at this price
Picture for manufacturer ACDelco
Free Shipping
Picture of Fel-Pro Engine Oil Filter Adapter Gaskets

Fel-Pro Engine Oil Filter Adapter Gaskets

74 reviews
Vehicle Specific
from $3
In Stock (10+)
Picture for manufacturer Fel-Pro
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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.