The Alliant Power AP0035 is a new IPR valve seal kit for 2003–2007 Ford 6.0L Powerstroke applications. Alliant’s Fuel Injection Pressure Regulator Seal helps provide the sealing surface needed between related components.

Features & Benefits

• New Alliant Power IPR Valve Seal Kit (Alliant P/N AP0035)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 3C3Z-9H529-A / 3C3Z9H529 / 9H529
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Ford F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2003–2007)
• Ford Excursion (2003–2005)
• Ford F-650 / F-750 (2004–2008)
• Ford E-350 Super Duty / E-450 Super Duty (2004–2010)
• Ford E-350 Club Wagon (2004–2005)
• Ford LCF (2006–2010)
• Alliant Power lists additional vehicle applications for this part number

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• Ford: 3C3Z9H529, 3C3Z-9H529-A, 9H529
• Navistar: 1888696, 1888696C93
• Alliant Power: AP0035

Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).