This injector fuel supply tube fit is designed for use with Cummins QSC8.3 ISC engines, made in China. It is a high-quality replacement part for your heavy equipment, ensuring optimal performance and reliability. The tube fit is precise and secure, ensuring that your fuel supply is consistent and reliable. This product is perfect for those in need of replacement parts for their heavy equipment, and is a must-have for those who want to keep their Cummins QSC8.3 ISC engines running smoothly.