OE Quality
60-Day Returns

Dorman 674-163 Exhaust Manifold - Right
Reliable Cast Iron Exhaust Manifold for Vehicle Exhaust Systems
The Dorman 674-163 exhaust manifold is engineered to provide durable and consistent performance for your vehicle's exhaust system. Crafted from cast iron with a natural finish, this exhaust manifold is designed to withstand high temperatures and resist wear over time.
- 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 gaskets
- Mounting hardware included for straightforward installation
- Regular grade type suitable for standard applications
Product Details and Specifications
The Dorman 674-163 exhaust manifold features a square port shape that aligns precisely with the exhaust ports on compatible engines, ensuring efficient exhaust gas flow and reducing backpressure. Made from cast iron, this manifold offers strength and heat resistance necessary for long-term use in demanding engine environments. The natural color finish helps protect against rust and corrosion, extending the life of the component. This part comes with essential gaskets and mounting hardware to facilitate proper sealing and installation.
Compatible Vehicles and Common Applications
This exhaust manifold is designed for use in specific vehicle makes and models requiring a cast iron manifold with square ports. It is commonly sought after for replacement in vehicles experiencing exhaust leaks, manifold cracks, or gasket failures. The Dorman 674-163 is suitable for automotive repairs involving exhaust manifold replacement where OEM specifications call for a regular grade cast iron manifold.
- Resolves exhaust leaks caused by cracked or warped manifolds
- Replaces damaged or worn exhaust manifold gaskets
- Addresses engine performance issues related to exhaust backpressure
- Eliminates exhaust noise from manifold failures
- Prevents exhaust fumes from entering the cabin
Installation Notes and Tips
When installing the Dorman 674-163 exhaust manifold, ensure all old gasket material is thoroughly removed from the mounting surfaces to prevent leaks. Use the included gaskets and mounting hardware to achieve a secure and proper seal. Torque all bolts to manufacturer specifications to avoid warping or damage. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion before installation.
Quality Assurance and Warranty Information
Dorman manufactures the 674-163 exhaust manifold to meet or exceed OEM standards for fit, form, and function. The cast iron construction and included gaskets contribute to reliable performance under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 674-163 |
| 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; 2 flange gasket; 3 studs; 3 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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.