Looking for a direct replacement injector for your 7.3 Powerstroke from 1994-1997? Look no further than the Alliant AP63800AA OBS Single Stock AA New Injector! This injector is a stock flow new AA code injector, meaning it's an exact replacement for your original injector, and is ready to install with no modification necessary. Don't trust just any replacement injector for your Powerstroke – trust the experts at Alliant!