The BD Diesel Stock Injector – DI Code AD Cylinders 1-7 (UP7002-PP) is a high-quality replacement injector designed specifically for the 1999.5 to 2003 Ford Powerstroke 7.3L diesel engine. Engineered to meet or exceed OEM specifications, this injector is built to restore factory performance and fuel efficiency while ensuring reliable operation under demanding conditions. Featuring the DI Code AD, it is calibrated for use in cylinders 1 through 7, providing precise fuel delivery and optimal combustion. Whether you’re maintaining a daily driver or restoring power to your work truck, the BD Diesel Stock Injector offers dependable performance and durability trusted by diesel enthusiasts and professionals alike.