Alliant Reman High-Pressure Fuel Pump Kit HPFP AP63643 For 2008-2010 Ford 6.4L Powerstroke Alliant Reman High-Pressure Fuel Pump Kit HPFP AP63643 For 2008-2010 Ford 6.4L Powerstroke Cross reference # 8C3Z9A543DRM, 8C3Z9A543B MSRP: Was: Now: $1,525.00 View Options