The product is a new genuine OEM Cummins Aftertreatment Injector Kit Doser with the manufacturer part number 5578983RX. This kit includes high-quality fuel injectors designed specifically for Cummins engines, ensuring optimal performance and efficiency. As a genuine OEM product, customers can trust that this kit will meet the highest standards of quality and durability, making it a reliable choice for maintaining or upgrading their vehicle's fuel injection system.