HomeExhaust > Exhaust ManifoldsDorman 674-457 Exhaust Manifold - Right
Part #: 674-457

Dorman 674-457 Exhaust Manifold - Right

Right
7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mustang
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Overview of the Dorman Exhaust Manifold 674-457

The Dorman Exhaust Manifold 674-457 is designed specifically for Ford Mustang models, providing a reliable replacement part made from durable cast iron. This exhaust manifold ensures proper exhaust flow and is supplied with essential mounting hardware for straightforward installation.

  • Constructed from cast iron for durability and heat resistance
  • Natural color finish with an oval port shape for optimized exhaust flow
  • Includes mounting hardware: 2 studs, 2 nuts, and 2 manifold gaskets
  • Regular grade type suitable for standard driving conditions
  • Compatible with Ford Mustang vehicles requiring part number 674-457

Detailed Product Description

The Dorman 674-457 exhaust manifold is engineered to meet OEM specifications for Ford Mustang exhaust systems. Its cast iron construction offers strength and longevity under high-temperature conditions typical of exhaust operation. The oval port shape is designed to match the cylinder head ports, ensuring efficient exhaust gas evacuation. This part comes with all necessary mounting hardware, including two studs, two nuts, and two gaskets, facilitating a complete and secure installation. The natural finish indicates the raw cast iron material, which is standard for exhaust manifolds and provides reliable performance without additional coatings.

Common Applications and Problem Resolution

  • Replacement for cracked or warped exhaust manifolds causing exhaust leaks
  • Restores proper exhaust flow to improve engine efficiency and reduce emissions
  • Eliminates exhaust manifold gasket leaks that can cause noise and performance issues
  • Addresses mounting hardware loss or damage during previous repairs
  • Suitable for restoring factory exhaust manifold function on Ford Mustang models

Installation Notes and Tips

When installing the Dorman 674-457 exhaust manifold on a Ford Mustang, ensure the mating surfaces are clean and free of debris before placing the included gaskets. Use the supplied studs and nuts to secure the manifold, tightening to manufacturer torque specifications to prevent leaks. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion during installation. Since the heat shield is not included, verify if your vehicle requires a separate heat shield and install accordingly.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 674-457 part is backed by Dorman's quality control processes to ensure fitment and function for Ford Mustang vehicles. Warranty coverage details should be confirmed through Dorman or the parts distributor, typically covering defects in material and workmanship under normal use.

BrandDorman
Part Number674-457
ColorNatural
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
MaterialCast Iron
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 2 Manifold Gasket; 2 Studs; 2 Nuts
Port ShapeOval

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordMustang4.6LV8Right
2003FordMustang4.6LV8Right
2001FordMustang4.6LV8Right
1999FordMustang4.6LV8Right
1998FordMustang4.6LV8Right
1997FordMustang4.6LV8Right
1996FordMustang4.6LV8Right

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

101222F6ZZ9430BA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.