This air crossover connection fit is a crucial component for your Cummins engine, ensuring optimal performance and reliability. Made specifically for the K19 K38 K50 QSK NT855 N14 K60 models, this connection fit is designed to meet the highest standards of quality and durability. Crafted in China, this connection fit is a must-have for any heavy equipment owner looking to maintain the performance of their equipment. Whether you're in need of a replacement part or simply looking to upgrade your current fit, this air crossover connection fit is the perfect choice.