This water inlet connection fit is compatible with Cummins engines K19, K38, K50, QSK N14, and NT855. It is designed for easy installation and use, ensuring a reliable connection for your engine's water intake. The hose type is ideal for use in cars and trucks, and it is made with high-quality materials to guarantee durability. With its OE/OEM part number of 3165407 and manufacturer part number of 3165407 , this water inlet connection fit is a perfect match for your Cummins engine. It is suitable for use in all conditions, and its compatibility with various Cummins engines makes it a versatile choice for car and truck owners.