M50-6039-4414350
Heated DEF Return and Supply Hose Assembly (4 x 4350mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is designed for reliable operation within Kenworth's aftertreatment system. Made from high-quality, heat-resistant materials, this hose facilitates the safe transfer of Diesel Exhaust Fluid (DEF) under demanding conditions. Its precise dimensions and robust construction ensure a secure, leak-free connection that resists wear and chemical degradation. Installing genuine OEM parts like this hose assembly is essential for maintaining emission standards and system efficiency. At Source One Parts Center, we provide a wide selection of authentic Kenworth parts, backed by expert support and competitive pricing. Trust us to supply the components that keep your truck performing reliably and efficiently on the road.