Dorman 674-188 Exhaust Manifold
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
$139.00
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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.
Product Description
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
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 1980 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1979 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1978 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1977 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1976 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1975 | International | 150 | V8 345 5.6L | Left; Right | |
| 1975 | International | 200 | V8 345 5.6L | Left; Right | |
| 1975 | International | MS | V8 345 5.6L | Left; Right | |
| 1975 | International | Scout II | V8 345 5.6L | Left; Right | |
| 1975 | International | Travelall | V8 345 5.6L | Left; Right | |
| 1974 | International | 100 | V8 345 5.6L | Left | |
| 1974 | International | 100 | V8 345 5.6L (5654cc) | Left; Right | |
| 1974 | International | 200 | V8 345 5.6L | Left | |
| 1974 | International | 200 | V8 345 5.6L (5654cc) | Left; Right | |
| 1974 | International | MS1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1974 | International | Scout II | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | 1010 | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | 1110 | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | 1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | 1310 | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | MS1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1973 | International | Scout II | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | 1010 | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | 1110 | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | 1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | 1310 | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | MS1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1972 | International | Scout II | V8 345 5.6L (5654cc) | Left; Right | |
| 1971 | International | 1010 | V8 345 5.6L (5654cc) | Left; Right | |
| 1971 | International | 1110 | V8 345 5.6L (5654cc) | Left; Right | |
| 1971 | International | 1210 | V8 345 5.6L (5654cc) | Left; Right | |
| 1971 | International | 1310 | V8 345 5.6L (5654cc) | Left; Right | |
| 1971 | International | Scout II | V8 345 5.6L | Left | |
| 1971 | International | Scout II | V8 345 5.6L (5654cc) | Left; Right | |
| 1970 | International | 1000D | V8 345 5.6L (5654cc) | Left; Right | |
| 1970 | International | 1100D | V8 345 5.6L (5654cc) | Left; Right | |
| 1970 | International | 1200D | V8 345 5.6L (5654cc) | Left; Right | |
| 1970 | International | 1300D | V8 345 5.6L (5654cc) | Left; Right | |
| 1969 | International | 1000D | V8 345 5.6L (5654cc) | Left; Right | |
| 1969 | International | 1100D | V8 345 5.6L (5654cc) | Left; Right | |
| 1969 | International | 1200D | V8 345 5.6L (5654cc) | Left; Right | |
| 1969 | International | 1300D | V8 345 5.6L (5654cc) | Left; Right | |
| 1968 | International | 1000C | V8 345 5.6L (5654cc) | Left; Right | |
| 1968 | International | 1100C | V8 345 5.6L (5654cc) | Left; Right | |
| 1968 | International | 1200C | V8 345 5.6L (5654cc) | Left; Right | |
| 1968 | International | 1300C | V8 345 5.6L (5654cc) | Left; Right |
Product Specifications
| Color: | Metallic Gray |
|---|---|
| Gasket Or Seal Included: | Yes |
| Grade Type: | Standard Replacement |
| Heat Shield Included: | No |
| Material: | Cast Iron |
| Mounting Hardware Included: | Yes |
| Package Contents: | Exhaust Manifold; 1 Manifold Gasket and 1 Flange; 3 Bolts; 3 Nuts; 3 Lock Washers |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Port Shape: | Square |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 323518C12 | NAVISTAR |