GENUINE FORD PART NUMBER: 3F2Z-15K859-BA. These are GENUINE FORD BACK UP SENSORS IN THEIR ORIGINAL PACKAGING. Not cheap unreliable/ aftermarket parts. The item "(4) OEM FORD Reverse Backup Parking Assist Rear Sensor Ford 01-2014 3F2Z15K859BA" is in sale since Friday, May 18, 2018.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Safety & Security\Other Safety & Security". The seller is "autoproamerica" and is located in Paterson, New Jersey. This item can be shipped worldwide.