Diesel engines do not provide enough vacuum pressure to operate certain functions whether it be for the brakes, temperature control inside the cabin or the 4WD system depending on the vehicle. If you are having problems with your AC, impaired or partial loss of brakes or engaging 4WD then you may have a problem with your vacuum pump. Fits the following vehicles : 2003-2004 Dodge Ram 2500 5.9L 2003-2004 Dodge Ram 3500 5.9L 2003 E-350 Club Wagon 7.3L 2000-2002 E-350 Econoline Club Wagon 7.3L 2000-2003 E-350 Super Duty 7.3L 2000-2002 E-450 Econoline Super Duty 7.3L 2003 E-450 Super Duty 7.3L 2000-2005 Ford Excursion 7.3L, 6.0L 1999-2010 Ford F-250 Super Duty 7.3L, 6.0L, 6.4L 1999-2010 Ford F-350 Super Duty 7.3L, 6.0L, 6.4L 1999-2004 Ford F-450 Super Duty 6.8L 1999-2003 Ford F-450 Super Duty 7.3L 2003-2007 Ford F-450 Super Duty 6.0L 2008-2010 Ford F-450 Super Duty 6.4L 1999-2003 Ford F-550 Super Duty 7.3L, 6.0L, 6.4L 2000-2010 Ford F650 5.9L, 7.2L, 6.0L 2000-2008 Ford F750 5.9L, 7.2L, 6.0L Replaces part numbers: 904-214, 4C3Z-2A451-BA, 53032373AA, 53032373AB, 53032373AC, 6C3Z-2A451-A, 6C3Z-2A451-BA, 7C3Z2A451B, F81H-2A451-B, F81Z-2A451-BA, 904214, 4C3Z2A451BA, 6C3Z2A451A, 6C3Z2A451BA, F81H2A451B, F81Z2A451BA This is a compatible replacement part manufactured by AA Ignition. This vacuum pump is NOT a genuine Ford or Dodge part. Ford, Dodge and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this vacuum pump fits.
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