About this item This Electric Vacuum Pump Fits Ford Diesel HVAC & 4WD Hubs Only; Fits for Ford Excursion, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford F-350 Super Duty, Ford F-450 Super Duty, Ford F-550 Super Duty, Dodge Ram 2500, and Dodge Ram 3500 pick-ups from 2007 to 1999; Replaces Part Numbe 6C3Z2A451A,904-214,4C3Z2A451BA,53032373AA,53032373AB,53032373AC,6C3Z2A451BA,F81H2A451B,F81Z2A451BA,4C3Z2B925AA; Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards; Please check the part number to compare whether it suits your car before you purchase.