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.
EXHAUST MANIFOLD KIT
Exhaust, Manifold, Manifolds
Exhaust Header
| Brand |
Dorman |
|---|---|
| Part Number (MPN) |
674-323 |
| SKU |
674-323 |
| UPC / GTIN |
194883168367 / 00194883168367 |
| Condition |
New |
| Position |
Left |
| Collector Port Diameter |
52.4 |
| Finish |
Uncoated |
| Gasket Or Seal Included |
Yes |
| Grade Type |
Standard Replacement |
| Heat Shield Included |
No |
| Material |
Cast Stainless Steel |
| Mounting Hardware Included |
No |
| Mounting Hole Quantity |
8 |
| Oxygen Sensor Port |
No |
| Package Contents |
1 Exhaust Manifold |
| Port Shape |
Round |
| Tube Wall Thickness |
0.125 |
| Year |
2025 |
| Make |
Ford |
| Model |
F-150 |
| Body & Trim |
Lariat |
| Engine & Transmission |
5.0L V8 – Flex |
| Ford |
FL3Z9431A |
Vehicle Fitment