Dorman Products

Dorman 674-869 Exhaust Manifold

In stock
SKU: 591|674869
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
$174.45
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|674869
  • Barcode 19495289265

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Description

Product Description

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.

  • Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
  • Complete kit - includes new manifold, manifold gasket, 1 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

Detailed Applications

Year Make Model Configuration Positions Application Notes
2009 Chevrolet Trailblazer L6 256 4.2L
2009 GMC Envoy L6 256 4.2L
2009 Saab 9-7x L6 256 4.2L
2008 Chevrolet Trailblazer L6 256 4.2L
2008 GMC Envoy L6 256 4.2L
2008 Isuzu Ascender
2008 Saab 9-7x L6 256 4.2L

Product Specifications

Collector Port Diameter: 2.25 in
Color: Metallic Gray
Finish: Uncoated
Gasket Or Seal Included: Yes
Grade Type: Standard Replacement
Heat Shield Included: Yes
Material: Cast Iron
Mounting Hardware Included: Yes
Mounting Hole Quantity: 13
Oxygen Sensor Port: No
Package Contents: Exhaust Manifold; 1 Manifold Gasket; 1 Flange Gasket; 3 Studs; 3 Nuts
Package Quantity: 1
Packaging Type: Box
Port Shape: Irregular
Tube Wall Thickness: 0.125 in

OE Numbers

DIRECT OE CROSS
12597166 GENERAL MOTORS
12637060 GENERAL MOTORS
8-12597-166-0 ISUZU