The Alliant Power AP63520 is a new exhaust back pressure EBP tube for 2008–2010 Ford 6.4L Powerstroke applications.

Features & Benefits

• New Alliant Power Exhaust Back Pressure EBP Tube (Alliant P/N AP63520)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 8C34-9F459-AA / 8C3Z-9F459-A / 8C3Z9F459
• 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 (2008–2010)

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

Cross-Reference / Replaces

• Ford: 8C34-9F459-AA, 8C3Z9F459, 8C3Z-9F459-A
• Alliant Power: AP63520

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