M50-6039-4413650
Heated DEF Return and Supply Hose Assembly (4 x 3650mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is engineered to deliver diesel exhaust fluid efficiently in your Kenworth truck's aftertreatment system. Built with high-temperature resistant materials, this assembly prevents DEF freezing and ensures reliable operation in cold environments. The kit includes four hoses, each measuring 3650mm, designed for durability and precise fit. Installing this genuine OEM part enhances emission system performance, reduces maintenance needs, and ensures compliance with environmental standards. Source One Parts Center offers authentic Kenworth components that meet OEM quality and standards. Rely on us for expert support and the best selection of genuine parts to keep your truck running smoothly and efficiently.