This high-quality fuel supply tube fit is compatible with Cummins engines K19, K38, K50, QSK NT14, and NT855. It is designed to ensure optimal performance and reliability, making it a crucial component for any heavy equipment owner. Crafted in China, this fuel supply tube fit is made to last and withstand tough conditions. It is perfect for those in need of replacement parts for their Cummins engine or for those looking for a reliable fuel supply tube fit. With its precision engineering and durable construction, it is a smart investment for any heavy equipment owner.