Dorman 674-457 Exhaust Manifold - Right

Brand Dorman 674-457
Position Right
Color Natural
Gasket Or Seal Included Yes
Grade Type Regular
Heat Shield Included No
Material Cast Iron
Mounting Hardware Included Yes
Package Contents Exhaust Manifold; 2 Manifold Gasket; 2 Studs; 2 Nuts
Port Shape Oval
Fits Ford · 7 vehicles

OE direct replacement. Precision-engineered to match original fit and function.

Cast iron construction. Durably manufactured for dependable exhaust service.

Complete repair kit. Includes gaskets and downpipe hardware.

Cross-references Nissens 101222 and F6ZZ9430BA for the same application. See all 2.

$175.60Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $175.60
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Exhaust Manifold for Mustang Right Side

This Dorman exhaust manifold is built for the right side of select Ford Mustang models and is engineered to match the original fit and function. The cast iron construction, oval port shape, and included gaskets and downpipe hardware support a complete exhaust manifold repair for the specified applications.

Compatible with 1996-1999 Ford Mustang, right; 2001 Ford Mustang, right; and 2003-2004 Ford Mustang, right. Part number 674-457 is a direct-fit replacement for vehicles that need a dependable exhaust manifold service on the passenger-side exhaust path.

  • Cast iron construction for durable exhaust service
  • Natural finish
  • Oval port shape
  • Includes gasket/seal components for the repair
  • Mounting hardware included
  • Regular grade replacement part
  • Package contents: exhaust manifold, manifold gaskets, studs, and nuts

Detailed Product Overview

Dorman 674-457 is precision-engineered to replicate the fit and function of the original manifold on the listed Ford Mustang applications. It is designed for the right side and uses a cast iron body to handle exhaust heat and long-term service demands. The included gaskets and downpipe hardware help support a complete repair, reducing the need to source separate sealing components for the specified installation.

This part cross-references Ford OE number F6ZZ9430BA and Nissens 101222 for the same application. If you are searching for a Ford Mustang right exhaust manifold replacement, 674-457 is the relevant part number to verify against your vehicle.

Common Repair Uses

  • Cracked or warped exhaust manifold replacement
  • Exhaust leaks at the manifold-to-cylinder-head sealing surface
  • Broken or missing manifold studs and nuts
  • Noise from a leaking right-side Mustang exhaust manifold
  • Restoring proper exhaust flow on the listed Ford Mustang models

Installation Notes

Confirm engine and chassis fitment before installation, since this manifold is specific to the right side of select 1996-1999, 2001, and 2003-2004 Ford Mustang models. Inspect the cylinder-head sealing surface, fasteners, and downpipe connection for damage before assembly. Use the included gaskets and hardware during installation, and follow factory torque specifications for the best sealing results.

Quality Assurance

Dorman manufactures this exhaust manifold to match original equipment fit and function for the listed applications. The part is built from cast iron and supplied with the sealing components and mounting hardware needed for the repair.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordMustang4.6LV8Right
2003FordMustang4.6LV8Right
2001FordMustang4.6LV8Right
1999FordMustang4.6LV8Right
1998FordMustang4.6LV8Right
1997FordMustang4.6LV8Right
1996FordMustang4.6LV8Right
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Nissens — 101222F6ZZ9430BA