HomeExhaust > Exhaust ManifoldsDorman 674-500 Exhaust Manifold - Left or Right
Part #: 674-500

Dorman 674-500 Exhaust Manifold - Left or Right

Left and Right
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Corvette
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Durable Exhaust Manifold for Chevrolet Corvette

The Dorman 674-500 exhaust manifold is engineered to provide reliable exhaust flow management for Chevrolet Corvette models. Crafted from cast iron with a natural finish, this exhaust manifold is designed to withstand high temperatures and deliver consistent performance.

  • Constructed from durable cast iron material
  • Natural color finish for corrosion resistance
  • Square port shape for optimal exhaust flow
  • Includes exhaust manifold gasket and flange gasket
  • Mounting hardware included for straightforward installation
  • Regular grade type suitable for standard applications

Product Details and Specifications

The Dorman 674-500 exhaust manifold features a cast iron construction that offers strength and heat resistance necessary for the demanding environment of a Chevrolet Corvette exhaust system. The square port shape is designed to match the cylinder head ports precisely, ensuring efficient exhaust gas evacuation. This part comes with both an exhaust manifold gasket and a flange gasket to help maintain a proper seal and prevent exhaust leaks. The natural color finish helps resist corrosion over time. This manifold is a regular grade type, making it suitable for standard replacement needs without requiring modifications.

Compatible Vehicles and Applications

This exhaust manifold is compatible with Chevrolet Corvette models, providing a direct replacement for the original exhaust manifold. It is ideal for addressing issues such as:

  • Exhaust leaks caused by cracked or warped manifolds
  • Reduced engine performance due to exhaust flow restrictions
  • Excessive noise from damaged or failing manifolds
  • Failed emissions tests related to exhaust system leaks
  • Corrosion or rust damage to the original manifold

Installation Notes and Tips

Installation of the Dorman 674-500 exhaust manifold should be performed with care to ensure proper sealing and fitment. Use the included gaskets to prevent exhaust leaks and torque the mounting hardware to manufacturer specifications. It is recommended to inspect the cylinder head surface for flatness before installation. Replacement of mounting studs and nuts is advised if the originals show signs of wear or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-500 exhaust manifold undergoes quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to cover defects in material and workmanship.

BrandDorman
Part Number674-500
MaterialCast iron
ColorNatural
Port ShapeSquare
Mounting Hardware IncludedYes
Grade TypeRegular
Gasket Or Seal IncludedYes
Heat Shield IncludedNo
Package ContentsExhaust manifold; 1 manifold gasket; 1 flange gasket ; 6 studs; 3

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1971ChevroletCorvette5.7LV8Leftw/Square Bracket
1970ChevroletCorvette5.7LV8Leftw/Square Bracket
1967ChevroletCorvette5.3LV8Leftw/Square Bracket
1966ChevroletCorvette5.3LV8Leftw/Square Bracket
1965ChevroletCorvetteLeftw/Left Side Square Bracket
1965ChevroletCorvetteRightwo/Left Side Square Bracket
1964ChevroletCorvetteLeftw/Left Side Square Bracket
1964ChevroletCorvetteRightwo/Left Side Square Bracket

* 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:

1010613846559

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