This check valve is designed to fit Cummins engines KTA19, KTA38, KTA50, and NT855 QSK. It is manufactured in China and comes with a unit quantity of 1. This valve is perfect for use in hydraulics, pneumatics, pumps, and plumbing applications. Its unit type is a unit and it operates as a check valve. In addition to its compatibility with Cummins engines, this valve is also suitable for other valves and manifolds, as well as business and industrial applications. So, whether you're looking for a replacement part or upgrading your equipment, this check valve is a reliable choice.