This high-quality heat shield is designed to fit Cummins Engine K19 K38 NT855. Made with durable materials, it provides efficient heat protection and ensures the optimal performance of your engine. The unit is easy to install and comes with a manufacturer part number of 3972989. Whether you're looking to replace a worn-out heat shield or simply upgrading your engine, this unit is the perfect choice. It is compatible with various engines and components, making it a versatile addition to your truck. Buy with confidence and enjoy the peace of mind that comes with a properly maintained engine.