HomeExhaust > Exhaust ManifoldsDorman 674-746 Exhaust Manifold - Left
Part #: 674-746

Dorman 674-746 Exhaust Manifold - Left

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14 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, Excursion, F-250 Super Duty, and F-350 Super Duty
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Reliable Exhaust Manifold for Ford Super Duty and Excursion

The Dorman 674-746 exhaust manifold is designed to provide a durable and precise fit for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. Crafted from cast iron with a natural finish, this exhaust manifold ensures long-lasting performance and compatibility with your vehicle's exhaust system.

  • Constructed from durable cast iron material
  • Natural color finish for corrosion resistance
  • Round port shape for optimal exhaust flow
  • Includes mounting hardware: 2 bolts and 2 nuts
  • Comes with one manifold gasket for proper sealing
  • Grade type: Regular for standard performance needs
  • Compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty

Durable Cast Iron Construction and Complete Hardware

This Dorman exhaust manifold (part number 674-746) is manufactured from cast iron, a material known for its strength and heat resistance, making it suitable for the demanding conditions of exhaust systems. The natural finish helps resist corrosion over time. The round port shape is designed to match the exhaust ports on compatible Ford models, ensuring a proper seal and efficient exhaust gas flow. The package includes all necessary mounting hardware and a gasket, simplifying installation and reducing the need for additional parts.

Compatible Ford Models and Applications

This exhaust manifold is specifically compatible with Ford Excursion, F-250 Super Duty, and F-350 Super Duty vehicles. It is intended for use in replacing worn or damaged exhaust manifolds to restore proper exhaust function and reduce leaks or noise issues.

  • Replaces cracked or warped exhaust manifolds
  • Eliminates exhaust leaks causing noise or performance loss
  • Restores proper exhaust gas flow for engine efficiency
  • Prevents exhaust fumes from entering the cabin
  • Supports emission control by maintaining exhaust integrity

Installation Notes and Tips

Installation of the Dorman 674-746 exhaust manifold should be performed with care to ensure proper sealing and fitment. Use the included gasket and mounting hardware to secure the manifold. It is recommended to inspect the exhaust ports and surrounding components for damage or debris before installation. Torque bolts to manufacturer specifications to avoid leaks or damage.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are engineered to meet or exceed OEM standards for fit, form, and function. The 674-746 part number undergoes quality checks to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Ford Excursion, F-250 Super Duty, and F-350 Super Duty applications.

BrandDorman
Part Number674-746
ColorNatural
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
MaterialCast Iron
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 1 Manifold Gasket; 2 Bolts; 2 Nuts
Port ShapeRound

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003FordExcursion7.3LV8Left
2003FordF-250 Super Duty7.3LV8Left
2003FordF-350 Super Duty7.3LV8Left
2002FordExcursion7.3LV8Left
2002FordF-250 Super Duty7.3LV8Left
2002FordF-350 Super Duty7.3LV8Left
2001FordExcursion7.3LV8Left
2001FordF-250 Super Duty7.3LV8Left
2001FordF-350 Super Duty7.3LV8Left
2000FordExcursion7.3LV8Left
2000FordF-250 Super Duty7.3LV8Left
2000FordF-350 Super Duty7.3LV8Left
1999FordF-250 Super Duty7.3LV8Left
1999FordF-350 Super Duty7.3LV8Left

* 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:

1014021824273C1F81Z9431AA

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