
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Dorman |
| Part Number | 674-703 |
| Part Description | Cast Iron Natural Exhaust Manifold |
| Bolt Hole Quantity | 9 |
| Finish | Natural |
| Gasket or Seal Included | Yes |
| Header Material | Cast Iron |
| Inlet Port Shape | Oval |
| Installation Hardware Included | Yes |
| Item Grade | Standard Replacement |
| UPC | 019495127420 |
| OE Part Number | 12571601 |
| Package Quantity | 1 |
| Year Make Model | Trim | Engine |
|---|---|---|
| 2004-2006 Chevrolet Colorado | All Trims | 5 Cyl 3.5L |
| 2004-2006 GMC Canyon | All Trims | 5 Cyl 3.5L |
| 2006 Hummer H3 | All Trims | 5 Cyl 3.5L |