Smeding Diesel 5.9L Cummins 2003-2007 2 PC OEM/T3 Replacement Exhaust Manifold

Built for the 2003–2007 Dodge/Ram 5.9L Cummins, this T3-flange 2-piece manifold delivers reliable sealing, smooth flow, and long service life—without the cracking and warp issues common to stock castings. Key Features

• T3 turbo flange — direct fit for 2003–2007 5.9L Cummins (no T4 option). 

• High-ductile iron casting for superior heat-cycle durability. Pressed hydraulic joints for a leak-free seal across all temperature ranges. 

• High-density green-sand cores for optimized port geometry and smoother flow. 

• CNC-machined gasket & turbo surfaces ensure true flatness and easy sealing. 

• Reinforced gussets in high-stress zones for added strength. 

Options & Hardware

• Exhaust gasket set: add or omit at checkout. 

• Hardware choices: None, Standard Allen bolts, 304 SS studs, or 630 SS studs.

Fitment

• Dodge/Ram 2500/3500, 2003–2007, 5.9L Cummins (T3 flange).

Shipping & Warranty

• In stock; usually ships within 24 hours.

• 1-Year Unlimited Mileage Warranty;