Engineered specifically for late 2004.5 through 2007 Ford F-250, F-350, F-450, F-550 Super Duty, Excursion, and 2004–2010 E-Series Vans equipped with the 6.0L Powerstroke diesel engine (production build dates after September 22, 2003, or late square-cooler configurations), the Alliant Power Brand-New EGR Valve (AP63439) provides a robust replacement for carbon-jammed or electrically failed factory valves. Continuous exposure to exhaust soot and high-temperature gas cycles causes the internal pintle mechanism to bind or stick, resulting in a rough, erratic idle, sluggish throttle response, black or white exhaust smoke, and persistent diagnostic trouble codes (such as DTC P0401, P0403, or P0404).

As a trusted Tier-1 OE supplier, Alliant Power builds these replacement valves brand new from the ground up to match original equipment electrical specifications and flow tolerances precisely. Backed by a full 24-month unlimited mileage warranty, this direct-fit valve restores smooth emissions control and idle stability without requiring custom ECU tuning.

Key Features & Benefits

• 100% Brand-New OE Construction: Manufactured completely from new components to eliminate wear and ensure long-term reliability.
• Precise Solenoid Response Calibration: Matches factory Powertrain Control Module (PCM) commands accurately for smooth exhaust gas recirculation control.
• Resolves Rough Idle & Fault Codes: Effectively clears EGR flow and electrical circuit trouble codes (P0401–P0405) while restoring low-end throttle response.
• Direct Drop-In Fitment: Engineered to match factory intake manifold mounting dimensions and electrical plug connectors seamlessly.
• Alliant Power 24-Month Warranty: Backed by Alliant's comprehensive 24-month, unlimited-mileage parts warranty.

Technical Specifications

• Manufacturer Part Number / SKU: AP63439 / 012AP63439 (Alliant Power)
• Ford OE Interchange Numbers: Ford 5C3Z-9F452-A, 5C3Z-9F452-ARM, 5C3Z9F452A, 5C3Z9F452ARM; International 1845610C91
• Truck & Van Platform: Late 2004–2007 Ford Super Duty F-250/350/450/550, Excursion & 2004–2010 E-Series Vans
• Engine Platform: 6.0L 32-Valve Powerstroke V8 Diesel / Navistar VT365 (Late Configuration)
• Core Requirement: None (Brand New Unit - No Core Return Required)
• Warranty: Alliant Power 24-Month Unlimited Mileage Warranty

Vehicle Fitment & Installation Notes

• Late 2004–2007 Ford F-250 / F-350 / F-450 / F-550 Super Duty – 6.0L Powerstroke Diesel (Built after 09/22/2003)
• Late 2004–2005 Ford Excursion – 6.0L Powerstroke Diesel
• 2004–2010 Ford E-350 / E-450 Super Duty Van – 6.0L Powerstroke Diesel
• Fits Model Years: Late 2004, 2005, 2006, 2007 (Plus E-Series commercial vans through 2010)
• Fitment Notice: Designed strictly for late 2004.5–2010 models utilizing the late-style EGR valve layout. Does not fit early 2003 to mid-2004 trucks, which require part number 4C3Z-9F452-B. Verify your vehicle build date and physical electrical connector before ordering.
• Installation Tip: Thoroughly clean out all carbon deposits from the intake manifold valve bore prior to dropping in the new valve. Always install brand-new seals and O-rings (such as Alliant AP0005 or MAHLE GS33719) to prevent vacuum leaks and soot blow-by.