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Exhaust Manifold

Exhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | 3/4 Top
Exhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | Exhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | Additional ImagesExhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | Back ViewExhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | Top ViewExhaust Manifold Kit - Includes Required Gaskets And Hardware | 674-732 | 3/4 TopMake Dorman your exhaust manifold repair solution | 674-732Why Choose Dorman's Exhaust Manifolds? | 674-732360 View | 674-732

674-732

Exhaust Manifold Kit - Includes Required Gaskets And Hardware

Application Summary: Cadillac 2014-02, Chevrolet 2020-02, GMC 2020-02, Hummer 2009-03, Workhorse 2011-04, Workhorse Custom Chassis 2011-04

Where To Buy

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, 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

Detailed Applications

Product Specifications

Color: Metallic Gray
Gasket Or Seal Included: Yes
Grade Type: Standard Replacement
Heat Shield Included: Yes
Material: Cast Iron
Mounting Hardware Included: Yes
Package Contents: Exhaust Manifold; 1 Manifold Gasket; 2 Flange Gaskets; 3 Studs; 3 Nuts
Port Shape: Round

OE Numbers

DIRECT OE CROSS
12569416 GENERAL MOTORS
12569530 GENERAL MOTORS
12578341 GENERAL MOTORS
12602038 GENERAL MOTORS
12612084 GENERAL MOTORS
12616286 GENERAL MOTORS
12647717 GENERAL MOTORS
12648339 GENERAL MOTORS
12677665 GENERAL MOTORS
12686302 GENERAL MOTORS

Documents & Support

Technical Support Available

Phone: 1-866-933-2911
Email: techsupport@dormanproducts.com

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Exhaust Manifold Kit - Includes Required Gaskets And Hardware

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