Dorman 674-5008 Exhaust Manifold

Brand Dorman 674-5008
Material Cast iron
Color Natural
Port Shape Round
Mounting Hardware Included Yes
Grade Type Regular
Gasket Or Seal Included Yes
Heat Shield Included No
Package Contents 1- 3 piece exhaust manifold; 6 manifold gaskets; 1 flange gasket;
Fits

Cast iron construction. Provides durable exhaust manifold performance and heat resistance.

Complete repair kit. Includes the necessary gaskets and downpipe hardware.

Precision-engineered fit. Matches the original manifold's fit and function.

Cross-references 2123664 for the same application. See all 1.

$639.57Free shipping
In stock · usually ships same day before 1pm CST
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Order total $639.57
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Exhaust Manifold Replacement for OE Fit

Dorman 674-5008 is a cast iron exhaust manifold engineered to match the fit and function of the original part on specified vehicles. It is built for a direct repair and includes the gaskets and downpipe hardware needed to complete the job on the correct application.

For drivers searching for a Dorman exhaust manifold for Honda Civic or Acura Integra exhaust repair, this part number 674-5008 provides an OE-style solution with a natural cast iron finish and round ports.

Key Features

  • Cast iron construction for durability in high-heat exhaust service
  • Natural finish
  • Round port shape
  • Includes mounting hardware and gaskets
  • Regular-grade replacement part for direct repair work
  • Designed to match original fit and function on specified vehicles

Detailed Description

Dorman 674-5008 is an exhaust manifold replacement built for vehicles that use a three-piece manifold design. The cast iron body helps maintain structural integrity under exhaust heat, while the included gaskets and flange hardware support a complete manifold service. This part is a practical choice for Honda Civic and Acura Integra exhaust manifold replacement when the original manifold is cracked, warped, or leaking.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Exhaust leaks at the manifold or flange
  • Cracked or heat-damaged manifold housing
  • Warped sealing surfaces that cause ticking noises
  • Failed gasket sealing at the cylinder head or downpipe connection
  • Loss of exhaust flow efficiency from a damaged manifold

Installation Notes and Tips

Verify vehicle application before ordering, since fitment is specific to certain models and engine configurations. Inspect the cylinder head surface, exhaust flange, and studs before installation, and replace any damaged mating components to help ensure a proper seal. Use the included gaskets and hardware during assembly, and follow factory torque specifications and tightening sequence for the vehicle.

Quality Assurance

This Dorman exhaust manifold is precision-engineered and manufactured to match original fit and function on the specified application. Part number 674-5008 is built as a direct replacement for OE-style exhaust repair.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2123664