This rectangular ring seal is a high-quality part that fits perfectly with Cummins engines including KTA19, KTA38, KTA50, NT855, and QSK. It is manufactured in China and comes with a unit quantity of one. The seal is designed to provide superior performance and durability, making it a reliable choice for heavy equipment parts and accessories. Its unit type is a unit, and it is an essential part for any Cummins engine owner. Purchase this seal today to ensure your engine runs smoothly without any issues.