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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.

121 - 150 of 226 results

Best Seller Free Shipping
Picture of Cometic C5751-140 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-140 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.060

40 reviews
Part: C5751-140
Vehicle Specific
$228.64
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Victor Reinz Engine Valve Cover Grommet Sets

Victor Reinz Engine Valve Cover Grommet Sets

29 reviews
Vehicle Specific
from $5
In Stock (10+)
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Picture of Victor Reinz Engine Crankshaft Seal Kit

Victor Reinz Engine Crankshaft Seal Kit

20 reviews
Vehicle Specific
from $6
In Stock (10+)
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Picture of Mr. Gasket Lifter Valley Gaskets

Mr. Gasket Lifter Valley Gaskets

55 reviews
Vehicle Specific
from $50
In Stock (10+)
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Picture of Victor Reinz Valley Pan Gasket Sets

Victor Reinz Valley Pan Gasket Sets

55 reviews
Vehicle Specific
from $30
In Stock (10+)
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Picture of Mr. Gasket Valley Pan Cover Bolt Sets for GM LS Engines

Mr. Gasket Valley Pan Cover Bolt Sets for GM LS Engines

57 reviews
Vehicle Specific
from $44
In Stock (10+)
Picture for manufacturer Mr. Gasket
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Picture of Victor Reinz Engine Intake Manifold Gasket Sets

Victor Reinz Engine Intake Manifold Gasket Sets

76 reviews
Vehicle Specific
from $6
In Stock (10+)
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Picture of MAHLE Engine Oil Pump Pickup Tube Gasket

MAHLE Engine Oil Pump Pickup Tube Gasket

55 reviews
Vehicle Specific
from $4
In Stock (10)
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Picture of MAHLE Original Engine Cylinder Head Gasket

MAHLE Original Engine Cylinder Head Gasket

27 reviews
Vehicle Specific
from $17
In Stock (10+)
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Picture of Cometic C5489-060 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.100

Cometic C5489-060 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.100

14 reviews
Part: C5489-060
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5751-098 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-098 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

57 reviews
Part: C5751-098
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5489-120 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.100

Cometic C5489-120 GM MLS Cylinder Head Gasket Bore - LS1/LS2/LS3/LS6 4.100

52 reviews
Part: C5489-120
Vehicle Specific
$232.11
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5489-098 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

Cometic C5489-098 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

50 reviews
Part: C5489-098
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5489-086 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

Cometic C5489-086 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.100

67 reviews
Part: C5489-086
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5317-089 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

Cometic C5317-089 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

8 reviews
Part: C5317-089
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5317-080 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130 080

Cometic C5317-080 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130 080

43 reviews
Part: C5317-080
Vehicle Specific
$140.43
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5475-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-075 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

57 reviews
Part: C5475-075
Vehicle Specific
$126.70
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Victor HS54385A Reinz Cylinder Head Gasket - Set

Victor HS54385A Reinz Cylinder Head Gasket - Set

9 reviews
Part: HS54385A
Vehicle Specific
$184.87
1 left at this price
Picture for manufacturer Victor
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Picture of MAHLE HS54385 Victor Reinz Cylinder Head Gasket - Set

MAHLE HS54385 Victor Reinz Cylinder Head Gasket - Set

20 reviews
Part: HS54385
Vehicle Specific
$250.93
3 left at this price
Picture for manufacturer MAHLE
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Picture of MAHLE HS54332 Engine Cylinder Head Gasket - Set

MAHLE HS54332 Engine Cylinder Head Gasket - Set

79 reviews
Part: HS54332
Vehicle Specific
$181.82
1 left at this price
Picture for manufacturer MAHLE
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Picture of MAHLE HS54442 Engine Cylinder Head Gasket - Set

MAHLE HS54442 Engine Cylinder Head Gasket - Set

52 reviews
Part: HS54442
Vehicle Specific
$251.67
In Stock (5)
Picture for manufacturer MAHLE
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Picture of Cometic C5319-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 036

Cometic C5319-036 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 036

11 reviews
Part: C5319-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5751-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.060

Cometic C5751-027 MLS Cylinder Head Gasket GM Gen III/IV Bore - for LS1/LS2/LS3/LS6 4.060

55 reviews
Part: C5751-027
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5475-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-030 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

19 reviews
Part: C5475-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5475-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

Cometic C5475-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 3.910

39 reviews
Part: C5475-045
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
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Picture of Cometic C5751-036 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-036 MLS Cylinder Head Gasket GM Bore - LS1/LS2/LS3/LS6 4.060

32 reviews
Part: C5751-036
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5751-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

Cometic C5751-045 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.060

11 reviews
Part: C5751-045
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5319-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 051

Cometic C5319-051 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.190 051

6 reviews
Part: C5319-051
Vehicle Specific
$97.29
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of MAHLE MS20203 Valley Pan Gasket Set for Intake Manifold

MAHLE MS20203 Valley Pan Gasket Set for Intake Manifold

70 reviews
Part: MS20203
Vehicle Specific
$86.73
1 left at this price
Picture for manufacturer MAHLE
Picture of MAHLE SS45920 Valve Stem Seal Set

MAHLE SS45920 Valve Stem Seal Set

27 reviews
Part: SS45920
Vehicle Specific
$13.13
3 left at this price
Picture for manufacturer MAHLE

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.