This air intake connection fit is compatible with Cummins engines K19, K38, K50, QSK NT855, N14, and K60. It is designed to provide reliable and efficient performance for your heavy equipment. The connection fit is made in China and is a vital component for the proper functioning of your equipment. It is suitable for use in various heavy equipment parts and accessories, including those for business and industrial purposes. The model number for this connection fit is K19 K38 K50 QSK NT855 N14 K60. Ensure that you choose the correct model number for your equipment before purchasing this product.