This accessory drive fit is compatible with Cummins K19, K38, K50, QSK NT14, and NT855 models. It is a reliable and efficient unit that ensures smooth performance of your heavy equipment. The drive fit is made in China and comes with a unit quantity of one. It also has a unit type of unit and belongs to the category of other heavy equipment parts and accessories. The accessory drive fit does not supersede 3005126 and 3005133RX models. It is a great addition to your heavy equipment parts and accessories collection. This product is perfect for those who want to enhance the performance of their heavy equipment.