2003 Hummer H2 Exhaust Parts

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Catalytic Converter Catalytic Converter Gasket Exhaust Clamp Exhaust Header Exhaust Header Gasket Exhaust Manifold Exhaust Manifold Bolt Exhaust Manifold Gasket Exhaust Manifold Gasket Set Exhaust Manifold Hardware Kit Exhaust Manifold Heat Shield Bolt Exhaust Manifold to Cylinder Head Repair Clamp Exhaust Muffler Exhaust Pipe to Manifold Gasket Exhaust System Kit

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2003 Hummer H2 Catalytic Converter - Right 8 Cyl 6.0L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal HM Grade Federal (Excludes CA)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Gasket Included: No
- Outlet Gasket Included: Yes
- Inlet Diameter: 2.5
- MFWeb: Yes
- Heat Shield Attached: Yes
- Body Width: 5.5
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Heat Shield Included: Yes
- Outlet Orientation: Straight
- Body Shape: Oval
- Outlet Attachment: Weld-on
- Sensor Port Count: 0
- Air Tube Adaptable: No
- Outlet Diameter: 2.5

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Right	8 Cyl 6.0L	364

26 In Stock

$356.66 CAD

$427.99 CAD

Brand	Magnaflow
Part #	M6699006HM
Condition	New
Warehouse	B

UPC: 00841380031587

2003 Hummer H2 Catalytic Converter - Left 8 Cyl 6.0L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal HM Grade Federal (Excludes CA)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Gasket Included: No
- Outlet Gasket Included: Yes
- Inlet Diameter: 2.5
- MFWeb: Yes
- Heat Shield Attached: Yes
- Body Width: 5.5
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Heat Shield Included: Yes
- Outlet Orientation: Straight
- Body Shape: Oval
- Outlet Attachment: Weld-on
- Sensor Port Count: 0
- Air Tube Adaptable: No
- Outlet Diameter: 2.5

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Left	8 Cyl 6.0L	364

26 In Stock

$356.66 CAD

$427.99 CAD

Brand	Magnaflow
Part #	M6699006HM
Condition	New
Warehouse	B

UPC: 00841380031587

2003 Hummer H2 Exhaust Manifold - Left 8 Cyl 6.0L Dorman

Exhaust Manifold Kit - Includes Required Gaskets And Hardware
Product Attributes:
- Heat Shield Included: Yes
- Grade Type: Regular
- Mounting Hardware Included: Yes
- Package Contents: Exhaust Manifold; 1 Manifold Gasket; 1 Flange Gasket; 3 Studs; 3 Nuts
- Port Shape: Round
Features:
- Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
- Complete kit - includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts
- Direct fit - reverse engineered from original equipment for seamless installation
- Quality engineering - designed and tested in the United States
Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

This Part Fits the Following OEM/Substitute Numbers:

101261, 12556078, 12562235, 12562330, 12564155, 12571678, 12602037, 12616285, 663017, 674522, SK674522

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Left	8 Cyl 6.0L	364

45 In Stock

$184.45 CAD

$221.34 CAD

Brand	Dorman
Part #	D18674-522
Condition	New
Warehouse	B

2003 Hummer H2 Exhaust Manifold - Right 8 Cyl 6.0L Dorman

Exhaust Manifold Kit - Includes Required Gaskets And Hardware
Product Attributes:
- Heat Shield Included: Yes
- Grade Type: Regular
- Mounting Hardware Included: Yes
- Package Contents: Exhaust Manifold; 1 Manifold Gasket; 2 Flange Gaskets; 3 Studs; 3 Nuts
- Port Shape: Round
Features:
- Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
- Complete kit - includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts
- Direct fit - reverse engineered from original equipment for seamless installation
- Quality engineering - designed and tested in the United States
Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

This Part Fits the Following OEM/Substitute Numbers:

101371, 12569416, 12569530, 12578341, 12602038, 12616286, 12648339, 12677665, 663227, SK674732

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Right	8 Cyl 6.0L	364

34 In Stock

$255.36 CAD

$306.43 CAD

Brand	Dorman
Part #	D18674-732
Condition	New
Warehouse	B

2003 Hummer H2 Exhaust System Kit 8 Cyl 6.0L Magnaflow

Dual Straight Passenger Side Rear Exit
Street Series Stainless Cat-Back System
Street Series Stainless Cat-Back System
Product Attributes:
- Main Piping Diameter: 2.5
- Muffler Type: Straight-through
- Tip Diameter: 4
- Muffler Finish: Satin
- Tip Finish: Polished
- Tip Shape: Round
- Exit Style: Dual Straight Passenger Side Rear
- Tip Length: 7.25
- Tip Type: Welded;double Wall;angle Cut;rolled Edge;resonated
- Inlet Connection Type: Bolt-on;clamp-on
- Subtitle: Cat-back

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
2003 - Hummer H2	V	5967	8 Cyl 6.0L	364

4 In Stock

$1,364.81 CAD

$1,637.77 CAD

Brand	Magnaflow
Part #	M6615770
Condition	New
Warehouse	B

UPC: 00841380005519

2003 Hummer H2 Catalytic Converter - Left 8 Cyl 6.0L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal OEM GRADE Federal (Excludes California)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Diameter: 2.5
- Heat Shield Attached: Yes
- Body Width: 5.625
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Heat Shield Included: Yes
- Outlet Orientation: Straight
- Body Shape: Oval
- Outlet Attachment: Weld-on
- Sensor Port Count: 0
- Air Tube Adaptable: No
- Outlet Diameter: 2.5

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Left	8 Cyl 6.0L	364

12 In Stock

$371.70 CAD

$446.04 CAD

Brand	Magnaflow
Part #	M6651006
Condition	New
Warehouse	B

UPC: 00841380068972

2003 Hummer H2 Catalytic Converter - Right 8 Cyl 6.0L Magnaflow

Universal Catalytic Converter - 2.50in.
Cutting and Welding Required During Installation
Universal Catalytic Converter - 2.50in.
Universal OEM GRADE Federal (Excludes California)
Product Attributes:
- Inlet Orientation: Straight
- Inlet Diameter: 2.5
- Heat Shield Attached: Yes
- Body Width: 5.625
- Body Type: Clam Shell
- Heat Shield Material: Aluminized Steel
- Body Height: 3.75
- Subtitle: Federal / Epa Compliant
- Substrate Material: Ceramic
- Inlet Attachment: Weld-on
- Heat Shield Included: Yes
- Outlet Orientation: Straight
- Body Shape: Oval
- Outlet Attachment: Weld-on
- Sensor Port Count: 0
- Air Tube Adaptable: No
- Outlet Diameter: 2.5

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
2003 - Hummer H2	V	5967	Right	8 Cyl 6.0L	364

12 In Stock

$371.70 CAD

$446.04 CAD

Brand	Magnaflow
Part #	M6651006
Condition	New
Warehouse	B

UPC: 00841380068972

2003 Hummer H2 Exhaust Header Gasket Remflex Exhaust Gaskets

Exhaust Gasket-GM V8, 4.8L-5.7L LS1, LS6
Product Attributes:
- Title: Remflex Exhaust Gasket
- Prop 65 - Short Label: Prop65_warning.jpg
- Prop 65 (C, R or CR): Cr
Remflex's unique flexible graphite material has been proven for more than 30 years in industrial applications, where temperatures routinely exceed 2,000 degrees-day after day, week after week, year after year. Now, they're bringing this technology to enthusiasts of all kinds to eliminate exhaust leaks for good! Whether you have an old pick-up that needs a manifold gasket, or a race car with custom-built headers, you can be assured that Remflex exhaust gaskets will work properly the first time, every time.

Additional Fitment Information:

Vehicle	Region	Sub Model
2003 - Hummer H2	United States	Base

41 In Stock

$44.42 CAD

$53.30 CAD

Brand	Remflex Exhaust Gaskets
Part #	R1B2008
Condition	New
Warehouse	B

UPC: 878891000658

2003 Hummer H2 Exhaust Clamp Dynomax

Hardware-Clamp HD. 2 1/2in. U-Bolt
Size 2.5 in.; Heavy Duty; Steel 2 1/2 in. System
Hardware-Clamp
Walker U-Bolt Clamp
Product Attributes:
- Most Popular Make/Model: Ford F-150
- Nut Type: Hex
- Saddle Gauge: 11
- WARNING CA Proposition 65: No
- Saddle Hole Type: Round
- Size: 2.500 In.
- Hardware Material: Steel
- Class: A
- Product Grade: Economy
- Min Year Covered: 1963
- Max Year Covered: 2016
- Most Popular Year: 2004
- U Bolt Diameter: 0.375 In.
- Total Part VIO: 23844610
- Diameter (in.): 2.500 In.
- Clamp Type: U-bolt
Features:
- Many Different Clamp Designs Available To Meet Your Needs
- Available In Stainless And Aluminized Steel
- Available In Individual Or Bulk Cartons
- Proudly Manufactured In The USA
Walker(R), with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today's emissions control needs, while developing solutions for tomorrow's challenges. Walker(R) is a 'one-stop' convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic and import vehicles in broadmarket, performance, and commercial vehicle applications. Walker(R) delivers optimal OE-style fit, appearance, and dependability in aftermarket emissions control parts.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

Additional Fitment Information:

Vehicle
2003 - Hummer H2

183 In Stock

$7.20 CAD

$8.64 CAD

Brand	Dynomax
Part #	D2235337
Condition	New
Warehouse	B

2003 Hummer H2 Exhaust Pipe to Manifold Gasket 8 Cyl 6.0L FelPro

Exhaust Pipe Gasket
FEL-PRO 61323 Exhaust Pipe Gasket
Fel-Pro® gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

This Part Fits the Following OEM/Substitute Numbers:

15077362, EG24415, F31731

Additional Fitment Information: