This high-quality air crossover connection fit is designed for Cummins engines K19, K38, K50, QSK NT855, N14, and K60. It is manufactured in China and is a vital part for your heavy equipment, ensuring its optimal performance. This product is perfect for those looking for a replacement part for their Cummins engine, with a durable and reliable construction. It is compatible with a range of heavy equipment models, making it a versatile choice for your business needs.