This Expansion Tank is designed to fit Cummins Engine K19 K38 NT855 QSK. It is manufactured in China with high-quality materials to ensure durability and long-lasting performance. This unit is perfect for those who want to upgrade their engine's cooling system and improve their truck's overall performance. It comes in a unit quantity of 1 and is compatible with various engine models. The tank is specifically designed for commercial truck parts and components, making it a perfect fit for those who want to enhance their truck's performance. This product comes with a manufacturer part number of 3655883. Get this Expansion Tank today and take the first step towards improving your engine's performance.