This HEUI injector (AP63804AE) is a perfect fit for Ford vehicles from 1999 to 2003 with 7.3L Powerstroke or T444E engines. OEM part numbers include 1833639C1, 1833640C1, 1833644C1, 1833645C1, 1833646C92, and 1833647C91. It ensures reliable engine performance and smooth operation.

Using this HEUI injector is easy. Just install it in your 1999 - 2003 Ford with a 7.3L Powerstroke or T444E engine according to the vehicle's manual. When installing, make sure to check for any signs of damage. During use, if you notice any strange noises or a decrease in engine performance, it might be time to have it checked. For maintenance, it's a good idea to clean the injector regularly. You can use a recommended injector cleaner to keep it in good condition. This will help the injector work better and last longer.