The Alliant Power AP63433 is a new vacuum pump for 1999–2007 Ford 7.3L/6.0L Powerstroke applications.

Features & Benefits

• New Alliant Power Vacuum Pump (Alliant P/N AP63433)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for F81Z-2A451-BA / F81H-2A451-B / 4C3Z2A451
• 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 (1999–2007)
• Ford E-350 Econoline (1998)
• Ford E-350 Econoline Club Wagon (1998–2002)
• Ford E-450 Econoline Super Duty (1999–2002)
• Ford E-350 Super Duty (1999–2010)
• Ford F-650 / F-750 (2000–2008)
• Ford Excursion (2000–2005)
• Ford E-550 Econoline Super Duty (2002)
• 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: 4C3Z2A451, 4C3Z2A451BA, 6C3A2A451, 6C3A2A451BA, 6C3Z2A451, 6C3Z2A451A, F81Z2A451, F81Z-2A451-BA, 7C3Z2A451B, 4C3Z2B925AA
• Motorcraft: BRPV-7
• Mopar: 53032373AA, 53032373AB, 53032373AC
• Alliant Power: AP63433

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