This listing is for hexagon head cap screw, part number 3175576, made in China. These screw are designed to fit Cummins engines K19 and K38, as well as NT855 and QSK models. The unit type is a hexagon head cap screw, and the manufacturer part number is 3175576. The country/region of manufacture is China. This screw are perfect for those looking to replace or upgrade their current engine components. They are compatible with a variety of Cummins engines and are made with high-quality materials to ensureis durability and longevity. Whether you're a professional mechanic or a DIY enthusiast, these hexagon head cap screws are a great choice for your engine needs.