This high-quality fuel supply tube fit is designed to work seamlessly with Cummins engine models K19, K38, K50, QSK, NT14, and NT855. Made in China, this tube fit is a reliable and durable choice for heavy equipment owners in need of a replacement part. With its precise design and compatibility with multiple engine models, this fuel supply tube fit is a must-have for any business or industrial setting. Don't let a faulty tube fit disrupt your equipment's performance - upgrade to this top-of-the-line option today.