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Hummer H2 Replacement Exhaust Manifold Information


The exhaust manifold in your Hummer H2 traps all the exhaust fumes and channels it to the exhaust pipe. When your Hummer H2 is running, the pistons on each cylinder move up and down, taking in a fuel and oxygen mixture which is then ignited by the spark plugs. The waste gas is pushed up the cylinder by the piston. The exhaust manifold is over the cylinders, so once the exhaust fumes are pushed up and out of the cylinders, the fumes are contained by this critical component.

Original equipment manufacturer (OEM) exhaust manifolds are generally made from stainless steel. Aftermarket exhaust manifolds can be made of multiple materials that increase efficiency. Often the exhaust manifolds will be coated with ceramic finish or a heat-resistant material. These finishes make the transport of the exhaust fumes smoother. Many owners upgrade the exhaust manifold to increase engine power by decreasing the friction.


They are available for the following Hummer H2 years: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 09, 08, 07, 06, 05, 04, 03. This part is also sometimes called Hummer H2 Exhaust Manifolds. We stock exhaust manifold parts for most Hummer models including H3.

We stock these Exhaust Manifold brands for the Hummer H2: Dorman and ATP.


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Review Fitment Notes to Ensure Proper Fit

Click to Enlarge
(2 Reviews)
5 Stars
Dorman 674-732
Exhaust Manifold
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Our List Price: $98.95
(5) In Stock
Product SKU: 674-732
Product Note: Exhaust Manifold
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
4 Stars
Dorman 674-522
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $66.95
(23) In Stock
Product SKU: 674-522
Product Note: Exhaust Manifold
Features:
  • Engineered from OE designs
  • Failure-prone OE designs are re-engineered by Dorman
  • Includes commonly needed parts to complete the installation of the new Manifold: gasket(s), hardware, and heat shield (where required)
  • Direct fit replacement for original equipment
  • A quality part backed by a Dorman limited lifetime warranty
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
5 Stars
Dorman 674-732
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $98.95
(5) In Stock
Product SKU: 674-732
Product Note: Exhaust Manifold
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2005 (05) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
5 Stars
Dorman 674-732
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $98.95
(5) In Stock
Product SKU: 674-732
Product Note: Exhaust Manifold
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2007 (07) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
5 Stars
Dorman 674-732
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $98.95
(5) In Stock
Product SKU: 674-732
Product Note: Exhaust Manifold
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2006 (06) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
4 Stars
Dorman 674-522
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $66.95
(23) In Stock
Product SKU: 674-522
Product Note: Exhaust Manifold
Features:
  • Engineered from OE designs
  • Failure-prone OE designs are re-engineered by Dorman
  • Includes commonly needed parts to complete the installation of the new Manifold: gasket(s), hardware, and heat shield (where required)
  • Direct fit replacement for original equipment
  • A quality part backed by a Dorman limited lifetime warranty
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2005 (05) Hummer H2 6.0L V8 


Click to Enlarge
(Read reviews)
Our List Price: $64.98

Product SKU: 101262
Product Note: Exhaust Manifold -- Includes (1) Manifold Gasket, (1) Dump Gasket, (4) 6MM Hex Bolts, (4) Flat Washers, (3) Lock Nuts, (3) Double-Ended Studs; With California Emissions; Exhaust Manifold Has A Donut Flange Gasket
Position of Product: Right
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: H
Vehicle Engine
2003 (03) Hummer H2 6.0L V8 


Click to Enlarge
(1 Reviews)
5 Stars
Dorman W0133-1866523
Exhaust Manifold
Close
Loading Reviews...
Product List Price:
$256.81
Our List Price: $93.48
(>25) In Stock
Product SKU: W0133-1866523
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Catalog: A
Vehicle
2003 (03) Hummer H2


Click to Enlarge
(2 Reviews)
4 Stars
Dorman 674-522
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $66.95
(23) In Stock
Product SKU: 674-522
Product Note: Exhaust Manifold
Features:
  • Engineered from OE designs
  • Failure-prone OE designs are re-engineered by Dorman
  • Includes commonly needed parts to complete the installation of the new Manifold: gasket(s), hardware, and heat shield (where required)
  • Direct fit replacement for original equipment
  • A quality part backed by a Dorman limited lifetime warranty
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2007 (07) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
5 Stars
Dorman 674-732
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $98.95
(5) In Stock
Product SKU: 674-732
Product Note: Exhaust Manifold
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2004 (04) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
4 Stars
Dorman 674-522
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $66.95
(23) In Stock
Product SKU: 674-522
Product Note: Exhaust Manifold
Features:
  • Engineered from OE designs
  • Failure-prone OE designs are re-engineered by Dorman
  • Includes commonly needed parts to complete the installation of the new Manifold: gasket(s), hardware, and heat shield (where required)
  • Direct fit replacement for original equipment
  • A quality part backed by a Dorman limited lifetime warranty
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2006 (06) Hummer H2 6.0L V8 


Click to Enlarge
(2 Reviews)
4 Stars
Dorman 674-522
Exhaust Manifold
Close
Loading Reviews...
Our List Price: $66.95
(23) In Stock
Product SKU: 674-522
Product Note: Exhaust Manifold
Features:
  • Engineered from OE designs
  • Failure-prone OE designs are re-engineered by Dorman
  • Includes commonly needed parts to complete the installation of the new Manifold: gasket(s), hardware, and heat shield (where required)
  • Direct fit replacement for original equipment
  • A quality part backed by a Dorman limited lifetime warranty
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Engine
2004 (04) Hummer H2 6.0L V8 


Click to Enlarge
(Read reviews)
Product List Price:
$266.16
Our List Price: $63.48
(>25) In Stock
Product SKU: W0133-1866522
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Catalog: A
Vehicle
2003 (03) Hummer H2


Click to Enlarge
(1 Reviews)
5 Stars
Dorman W0133-1866523
Exhaust Manifold
Close
Loading Reviews...
Product List Price:
$256.81
Our List Price: $93.48
(>25) In Stock
Product SKU: W0133-1866523
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Catalog: A
Vehicle
2005 (05) Hummer H2


Click to Enlarge
(1 Reviews)
5 Stars
Dorman W0133-1866523
Exhaust Manifold
Close
Loading Reviews...
Product List Price:
$256.81
Our List Price: $93.48
(>25) In Stock
Product SKU: W0133-1866523
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
Additional Fitment Information: Catalog: A
Vehicle
2007 (07) Hummer H2


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Some of our Customer Reviews
Very Satisfied
Reviewer: hummergal

Very satisified the price and quality was outstanding.

2003 Hummer H2 Exhaust Manifold

Very Satisfied
Reviewer: funky head hunter

Parts arrived quickly and were as indicated and the prices are amazing

2003 Hummer H2 Exhaust Manifold

Very Satisfied
Reviewer: ben

The exhaust manifold fit perfectly. I couldn't be happier. Easy install, better quality than oem.

2003 Hummer H2 Exhaust Manifold


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