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Dorman 674-500 Exhaust Manifold - Left or Right
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.
| Brand | Dorman |
| Part Number | 674-500 |
| Material | Cast iron |
| Color | Natural |
| Port Shape | Square |
| Mounting Hardware Included | Yes |
| Grade Type | Regular |
| Gasket Or Seal Included | Yes |
| Heat Shield Included | No |
| Package Contents | Exhaust manifold; 1 manifold gasket; 1 flange gasket ; 6 studs; 3 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1971 | Chevrolet | Corvette | 5.7L | V8 | Left | w/Square Bracket |
| 1970 | Chevrolet | Corvette | 5.7L | V8 | Left | w/Square Bracket |
| 1967 | Chevrolet | Corvette | 5.3L | V8 | Left | w/Square Bracket |
| 1966 | Chevrolet | Corvette | 5.3L | V8 | Left | w/Square Bracket |
| 1965 | Chevrolet | Corvette | Left | w/Left Side Square Bracket | ||
| 1965 | Chevrolet | Corvette | Right | wo/Left Side Square Bracket | ||
| 1964 | Chevrolet | Corvette | Left | w/Left Side Square Bracket | ||
| 1964 | Chevrolet | Corvette | Right | wo/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.