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Dorman 674-550 Exhaust Manifold - Left
Overview of Dorman 674-550 Exhaust Manifold
The Dorman 674-550 exhaust manifold is designed for reliable performance and durability in select Chevrolet, GMC, and Pontiac vehicles. Constructed from cast iron with a natural finish, this exhaust manifold provides a solid and long-lasting solution for your vehicle's exhaust system needs.
- Material: Durable cast iron construction
- Color: Natural finish for corrosion resistance
- Port Shape: Round ports for efficient exhaust flow
- Mounting Hardware Included: Yes, for straightforward installation
- Gasket or Seal Included: Yes, ensures proper sealing
- Package Contents: Exhaust manifold, 1 manifold gasket and flange, 2 bolts, 2 studs
Detailed Product Description
The Dorman 674-550 exhaust manifold is engineered to meet the specifications of Chevrolet Camaro, GMC S10, Pontiac Firebird, and other compatible models such as the S10 Blazer, S15, and S15 Jimmy. Its cast iron construction offers strength and heat resistance, essential for managing exhaust gases effectively. The round port shape is designed to optimize exhaust flow, reducing backpressure and supporting engine efficiency. This manifold comes with all necessary mounting hardware and a gasket, simplifying the replacement process and ensuring a secure fit.
Compatible Vehicles and Applications
This exhaust manifold is compatible with the following makes and models:
- Chevrolet Camaro
- GMC S10 and S10 Blazer
- Pontiac Firebird
- GMC S15 and S15 Jimmy
Common Issues Addressed by This Exhaust Manifold
- Exhaust leaks caused by cracked or warped manifolds
- Reduced engine performance due to exhaust backpressure
- Excessive noise from damaged or failing manifolds
- Failed emissions tests related to exhaust system leaks
- Corrosion and wear from prolonged exposure to heat and elements
Installation Notes and Tips
- Ensure the engine is cool before beginning installation
- Use the included gasket and mounting hardware for proper sealing and fit
- Torque bolts and studs to manufacturer specifications to avoid leaks
- Inspect surrounding exhaust components for wear or damage during replacement
- Check for exhaust leaks after installation to confirm proper sealing
Quality Assurance and Warranty
Dorman manufactures this exhaust manifold to meet or exceed OEM standards for fit, form, and function. The part number 674-550 is backed by Dorman's quality control processes to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | 674-550 |
| Color | Natural |
| Gasket Or Seal Included | Yes |
| Grade Type | Regular |
| Heat Shield Included | No |
| Material | Cast Iron |
| Mounting Hardware Included | Yes |
| Package Contents | Exhaust Manifold; 1 Manifold Gasket and 1 Flange; 2 Bolts; 2 Studs; 4 Nuts; 2 Springs |
| Port Shape | Round |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Chevrolet | S10 | RWD | 2.8L | V6 | Left | |
| 1992 | Chevrolet | Camaro | 3.1L | V6 | Left | ||
| 1992 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1992 | Pontiac | Firebird | 3.1L | V6 | Left | ||
| 1991 | Chevrolet | Camaro | 3.1L | V6 | Left | ||
| 1991 | Chevrolet | S10 | RWD | 2.8L | V6 | Left | |
| 1991 | Pontiac | Firebird | 3.1L | V6 | Left | ||
| 1990 | Chevrolet | Camaro | 3.1L | V6 | Left | ||
| 1990 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1990 | GMC | S15 | 2.8L | V6 | Left | ||
| 1990 | Pontiac | Firebird | 3.1L | V6 | Left | ||
| 1989 | Chevrolet | Camaro | 2.8L | V6 | Left | ||
| 1989 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1989 | Chevrolet | S10 Blazer | 2.8L | V6 | Left | ||
| 1989 | GMC | S15 | 2.8L | V6 | Left | ||
| 1989 | GMC | S15 Jimmy | 2.8L | V6 | Left | ||
| 1989 | Pontiac | Firebird | 2.8L | V6 | Left | ||
| 1988 | Chevrolet | Camaro | 2.8L | V6 | Left | ||
| 1988 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1988 | Chevrolet | S10 Blazer | 2.8L | V6 | Left | ||
| 1988 | GMC | S15 | 2.8L | V6 | Left | ||
| 1988 | GMC | S15 Jimmy | 2.8L | V6 | Left | ||
| 1988 | Pontiac | Firebird | 2.8L | V6 | Left | ||
| 1987 | Chevrolet | Camaro | 2.8L | V6 | Left | ||
| 1987 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1987 | Chevrolet | S10 Blazer | 2.8L | V6 | Left | ||
| 1987 | GMC | S15 | 2.8L | V6 | Left | ||
| 1987 | GMC | S15 Jimmy | 2.8L | V6 | Left | ||
| 1987 | Pontiac | Firebird | 2.8L | V6 | Left | ||
| 1986 | Chevrolet | Camaro | 2.8L | V6 | Left | ||
| 1986 | Chevrolet | S10 | 2.8L | V6 | Left | ||
| 1986 | Chevrolet | S10 Blazer | 2.8L | V6 | Left | ||
| 1986 | GMC | S15 | 2.8L | V6 | Left | ||
| 1986 | GMC | S15 Jimmy | 2.8L | V6 | Left | ||
| 1986 | Pontiac | Firebird | 2.8L | V6 | Left | ||
| 1985 | Chevrolet | Camaro | 2.8L | V6 | Left | ||
| 1985 | Pontiac | Firebird | 2.8L | V6 | Left |
* 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.