Dorman 674-245 Right Exhaust Manifold 81-86 Chevy Impala GMC Jimmy 14031376
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$182.70
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.
- Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
- Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
- Complete repair - includes all necessary gaskets and downpipe hardware
- Trustworthy design - built by industry leader in aftermarket manifolds
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1985-1986 | Chevrolet | C10 | Right | 5.7L V8; Cast Iron |
| 1982-1986 | Chevrolet | C10 | Right | 5.7L V8 |
| 1981-1986 | Chevrolet | C10 | Right | 5.0L V8 |
| 1985-1986 | Chevrolet | C10 Suburban | Right | 5.7L V8; Cast Iron |
| 1985-1986 | Chevrolet | C10 Suburban | Right | 4 Holes; 5.7L V8 |
| 1981-1986 | Chevrolet | C10 Suburban | Right | 5.0L V8 |
| 1981-1984 | Chevrolet | C10 Suburban | Right | 5.7L V8 |
| 1985-1986 | Chevrolet | C20 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | Chevrolet | C20 | Right | 5.7L V8 |
| 1981-1986 | Chevrolet | C20 | Right | 5.0L V8 |
| 1985-1986 | Chevrolet | C20 Suburban | Right | 5.7L V8; Cast Iron |
| 1985-1986 | Chevrolet | C20 Suburban | Right | 4 Holes; 5.7L V8 |
| 1981-1986 | Chevrolet | C20 Suburban | Right | 5.0L V8 |
| 1985-1986 | Chevrolet | C30 | Right | 5.7L V8; Cast Iron |
| 1983-1984 | Chevrolet | C30 | Right | 5.7L V8 |
| 1985-1986 | Chevrolet | Caprice | Right | 5.7L V8 |
| 1983-1985 | Chevrolet | Impala | Right | 5.7L V8 |
| 1985-1986 | Chevrolet | K10 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | Chevrolet | K10 | Right | 5.0L V8 |
| 1981-1984 | Chevrolet | K10 | Right | 5.7L V8 |
| 1986 | Chevrolet | K10 Suburban | Right | 5.0L V8 |
| 1985-1986 | Chevrolet | K10 Suburban | Right | 4 Holes; 5.7L V8 |
| 1985-1986 | Chevrolet | K10 Suburban | Right | 5.7L V8; Cast Iron |
| 1981 | Chevrolet | K10 Suburban | Right | 5.0L V8 |
| 1981-1984 | Chevrolet | K10 Suburban | Right | 5.7L V8 |
| 1985-1986 | Chevrolet | K20 | Right | 5.7L V8; Cast Iron |
| 1985 | Chevrolet | K20 | Right | 5.0L V8 |
| 1981-1986 | Chevrolet | K20 | Right | 5.7L V8 |
| 1985-1986 | Chevrolet | K20 Suburban | Right | 4 Holes; 5.7L V8 |
| 1985-1986 | Chevrolet | K20 Suburban | Right | 5.0L V8 |
| 1985-1986 | Chevrolet | K20 Suburban | Right | 5.7L V8; Cast Iron |
| 1985-1986 | Chevrolet | K30 | Right | 5.7L V8; Cast Iron |
| 1983-1985 | Chevrolet | K30 | Right | 5.7L V8 |
| 1981-1986 | Chevrolet | K5 Blazer | Right | 5.0L V8 |
| 1981-1986 | Chevrolet | K5 Blazer | Right | 5.7L V8 |
| 1985-1986 | GMC | C1500 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | GMC | C1500 | Right | 5.7L V8 |
| 1981-1986 | GMC | C1500 | Right | 5.0L V8 |
| 1985-1986 | GMC | C1500 Suburban | Right | 5.7L V8; Cast Iron |
| 1985-1986 | GMC | C1500 Suburban | Right | 4 Holes; 5.7L V8 |
| 1981-1986 | GMC | C1500 Suburban | Right | 5.0L V8 |
| 1981-1984 | GMC | C1500 Suburban | Right | 5.7L V8 |
| 1985-1986 | GMC | C2500 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | GMC | C2500 | Right | 5.0L V8 |
| 1981-1986 | GMC | C2500 | Right | 5.7L V8 |
| 1985-1986 | GMC | C2500 Suburban | Right | 4 Holes; 5.7L V8 |
| 1985-1986 | GMC | C2500 Suburban | Right | 5.7L V8; Cast Iron |
| 1982-1986 | GMC | C2500 Suburban | Right | 5.0L V8 |
| 1986 | GMC | C3500 | Right | 5.0L V8 |
| 1985-1986 | GMC | C3500 | Right | 5.7L V8; Cast Iron |
| 1983-1984 | GMC | C3500 | Right | 5.7L V8 |
| 1985-1986 | GMC | Jimmy | Right | |
| 1981-1984 | GMC | Jimmy | Right | 5.0L V8 |
| 1981-1984 | GMC | Jimmy | Right | 5.7L V8 |
| 1985-1986 | GMC | K1500 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | GMC | K1500 | Right | 5.0L V8 |
| 1981-1986 | GMC | K1500 | Right | 5.7L V8 |
| 1985-1986 | GMC | K1500 Suburban | Right | 4 Holes; 5.7L V8 |
| 1982-1983 | GMC | K1500 Suburban | Right | 5.0L V8 |
| 1981-1984 | GMC | K1500 Suburban | Right | 5.7L V8 |
| 1985-1986 | GMC | K2500 | Right | 5.7L V8; Cast Iron |
| 1981-1986 | GMC | K2500 | Right | 5.7L V8 |
| 1985-1986 | GMC | K2500 Suburban | Right | 5.7L V8; Cast Iron |
| 1985-1986 | GMC | K3500 | Right | 5.7L V8; Cast Iron |
| 1983-1984 | GMC | K3500 | Right | 5.7L V8 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 674-245 |
| UPC | 019495027331 |
| Placement | Right |
| Material | Cast Iron |
| Color | Metallic Gray |
| Mounting Hardware Included | Yes |
| Gasket Or Seal Included | Yes |
| Port Shape | Square |
| Grade Type | Standard Replacement |
| Heat Shield Included | Yes |
| Package Contents | Exhaust Manifold; 1 Manifold Gasket; 3 Studs; 3 Springs; 3 Nuts |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 14031376 | General Motors (OE) |
|---|---|
| 14034069 | General Motors (OE) |
| 662740 | Interchange |
| 651235 | Interchange |
| 101099 | Interchange |
| 101098 | Interchange |