The Alliant Power AP63803AD New AD Fuel Injector is an ideal replacement for the worn fuel injector in your Ford 7.3L Powerstroke. This brand-new, direct-fit HEUI injector is designed to provide precision fuel delivery and meet stringent industry standards. Whether you're replacing a worn injector or a complete set, this injector provides the quality and reliability today's diesel owner's demand.
Features:
- 'AD' Injector Code
- Direct-Fit Replacement
- Brand New Fuel Injector
- Maintains Factory Function
- Sold Individually
1999-2003 Ford 7.3 Injector Code Guide:
'AB' Fuel Injector - 1999 Ford 7.3L Powerstroke (Early Models
- Built before 12/7/98) & 1997 Ford 7.3L Powerstroke (California
Models)
'AD' Fuel Injector - 1999.5-2003 Ford 7.3L Powerstroke
'AE' Fuel Injector - 1999.5-2003 Ford 7.3L Powerstroke (Cylinder # 8 - Long Lead)
'AE' Fuel Injector Note (Cylinder # 8 - Long Lead):
For 1999.5-2003 Models use (1) 'AE' Long Lead Fuel
Injector in cylinder # 8, along with with (7) 'AD' Fuel Injectors in
cylinders # 1-7.
The Long Lead Injector helps resolve the "cackle" or knock sound as described in Ford TSB 00-22-1.
7.3L Powerstroke Engines after serial number 1311240 were built with a long lead injector in cylinder # 8.
To verify if you have a long lead injector you can verify by looking for an "LL" stamp on top of the cylinder # 8 injector.
Note:
Long Lead injector in the number 8 cylinder, used in conjunction with AP63803AD injectors to help the Ford cackle problem. Must look for LL on top of the injector in cylinder number 8