This threaded plug fit is designed for use with Cummins engine models K19, K38, K50, N14, and NT855. It is an essential component for ensuring proper engine function and performance. Made by S966E, a trusted manufacturer in the industry, this unit is a reliable choice for commercial truck owners and mechanics alike. With a unit quantity of 1, this plug fit is perfect for those looking to replace a damaged or worn out component. It is compatible with a variety of commercial truck models and is made in China. Don't miss out on this opportunity to keep your engine running smoothly and efficiently.