Dorman 674-497 Exhaust Manifold Kit - Includes Required Gaskets And Hardware
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The original equipment exhaust manifolds on certain Jeep Wagoneer SUVs and Ram 1500 trucks are equipped with a cylinder deactivation system that shuts down four of the engine's eight cylinders during highway driving to improve fuel economy. This system causes two of the cylinder ports to cool while two remain hot, stressing the exhaust manifold to the point of warping or cracking. Eliminate potential cracking issues with this Dorman OE FIX exhaust manifold. This patent-pending upgraded design features an integrated outer flange that strengthens the sides of the manifold, a thicker inner flange and a ceramic coating that provides uniform heat distribution. This precision-engineered manifold is designed to seamlessly replace the original equipment left-side manifold on specified vehicles.
- Improved design - this exhaust manifold for select Jeep Wagoneer and Ram 1500 vehicles features patent-pending upgrades to help prevent damage from thermal cycling of the cylinder deactivation system
- Innovative construction - features an integrated outer flange that strengthens the sides of the manifold, a thicker inner flange and a ceramic coating that provides uniform heat distribution
- Ideal solution - includes required gaskets and hardware, and engineered to help restore leak-free, reliable exhaust flow when an original equipment exhaust manifold is warped, cracked or failed
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
Specifications
| Material | Ductile Iron |
| Color | Black |
| Mounting Hardware Included | Yes |
| Finish | Ceramic Coated |
| Gasket Or Seal Included | Yes |
| Port Shape | Round |
| Diameter | 60 MM |
| Thickness | 0.125 IN |
| Grade Type | Standard Replacement |
| Heat Shield Included | No |
| Package Contents | 1 Exhaust Manifold |
Documents
Warranty: Limited
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Shipping: Free to the USA.
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