Dorman 674-943 Left Exhaust Manifold 03-10 Ford F-350 Super Duty 3C3Z9431AB
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
$198.52
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 |
|---|---|---|---|---|
| 2004-2005 | Ford | E-350 Club Wagon | Left | 6.0L V8 |
| 2004-2010 | Ford | E-350 Super Duty | Left | 6.0L V8 |
| 2004-2010 | Ford | E-450 Super Duty | Left | 6.0L V8 |
| 2003-2005 | Ford | Excursion | Left | 6.0L V8 |
| 2003-2007 | Ford | F-250 Super Duty | Left | 6.0L V8 |
| 2003-2007 | Ford | F-350 Super Duty | Left | 6.0L V8 |
| 2003-2007 | Ford | F-450 Super Duty | Left | 6.0L V8 |
| 2003-2007 | Ford | F-550 Super Duty | Left | 6.0L V8 |
| 2005-2007 | IC Corporation | 1652 SC | Left | 6.0L V8 |
| 2007 | IC Corporation | 3200 | Left | 6.0L V8 |
| 2005 | IC Corporation | 3300 Chassis | Left | 6.0L V8 |
| 2008 | IC Corporation | BE Commercial Bus | Left | 6.0L V8 |
| 2008 | IC Corporation | BE School Bus | Left | 6.0L V8 |
| 2005-2008 | IC Corporation | CE Commercial | Left | 6.0L V8 |
| 2005-2008 | IC Corporation | CE Integrated | Left | 6.0L V8 |
| 2007 | IC Corporation | RE Commercial | Left | 6.0L V8 |
| 2005 | IC Corporation | RE Integrated | Left | 6.0L V8 |
| 2005-2007 | IC Corporation | RE School Bus | Left | 6.0L V8 |
| 2005-2007 | International | 1652SC | Left | 6.0L V8 |
| 2003-2008 | International | 3200 | Left | 6.0L V8 |
| 2005-2008 | International | 3300 | Left | 6.0L V8 |
| 2006-2008 | International | 4100 | Left | 6.0L V8 |
| 2006-2008 | International | 4100 SBA | Left | 6.0L V8 |
| 2003-2009 | International | 4200 | Left | 6.0L V8 |
| 2003-2008 | International | 4200LP | Left | 6.0L V8 |
| 2006-2008 | International | CXT | Left | 6.0L V8 |
| 2007-2008 | International | MXT | Left | 6.0L V8 |
| 2005-2008 | International | RXT | Left | 6.0L 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 | 674-943 |
| UPC | 019495450597 |
| Placement | Left |
| Material | Cast Iron |
| Color | Metallic Gray |
| Mounting Hardware Included | Yes |
| Gasket Or Seal Included | Yes |
| Port Shape | Round |
| Grade Type | Standard Replacement |
| Heat Shield Included | No |
| Package Contents | Exhaust Manifold; 1 Flange Gasket; 2 Bolts; 2 Nuts |
| Country of Origin | India |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 3C3Z9431AB | Ford (OE) |
|---|---|
| 1840994C1 | International (OE) |
| 24056704530728300 | Interchange |
| 663438 | Interchange |
| 562.UM55102K | Interchange |
| 101485 | Interchange |
| 34485119201191116 | Interchange |