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; 

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Order Processing Time:

Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.

Shipping Methods:

Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)

Packaging:

Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.

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International Shipping:

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