2003 Hummer Parts

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H1 H2

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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

27 In Stock

$359.32 CAD

$431.18 CAD

Brand	Magnaflow
Part #	M6699006HM
Condition	New
Warehouse	B

UPC: 00841380031587

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

27 In Stock

$359.32 CAD

$431.18 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

48 In Stock

$158.10 CAD

$189.72 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

36 In Stock

$218.90 CAD

$262.68 CAD

Brand	Dorman
Part #	D18674-732
Condition	New
Warehouse	B

2003 Hummer H1 Exhaust Pipe Flange Gasket 8 Cyl 6.5L FelPro

Exhaust Pipe Gasket
1-3/4in Inside Diameter; Pipe to manifold
FEL-PRO 60556 Exhaust Pipe Gasket
Product Attributes:
- Part Dimensions: 1 3/4" Id
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:

13108, 131081, 131821, 14012686, 14037813, 14072686, 1552242, 31520, 521908, 7413362, 82-0141, EG24767, EG24867, EG767, EN1875, F20423, F7269, F7447...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
2003 - Hummer H1	V	-	8 Cyl 6.5L	395

1 In Stock

$19.12 CAD

$22.94 CAD

Brand	FelPro
Part #	F1060556
Condition	New
Warehouse	B

UPC: 084113842030

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

5 In Stock

$1,345.44 CAD

$1,614.53 CAD

Brand	Magnaflow
Part #	M6615770
Condition	New
Warehouse	B

UPC: 00841380005519

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

10 In Stock

$374.46 CAD

$449.35 CAD

Brand	Magnaflow
Part #	M6651006
Condition	New
Warehouse	B

UPC: 00841380068972

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

10 In Stock

$374.46 CAD

$449.35 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

39 In Stock

$41.29 CAD

$49.55 CAD

Brand	Remflex Exhaust Gaskets
Part #	R1B2008
Condition	New
Warehouse	B

UPC: 878891000658

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: