M50-6039-4414550
Heated DEF Return and Supply Hose Assembly (4 x 4550mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is a crucial part of your Kenworth truck's emission control system. Built to handle high temperatures and chemical exposure, this hose ensures the safe and efficient transfer of Diesel Exhaust Fluid (DEF) between the tank and aftertreatment components. Its durable construction and accurate dimensions provide a secure fit, minimizing leaks and wear over time. Using genuine OEM parts like this hose assembly guarantees compatibility, performance, and longevity, helping you stay compliant with environmental standards. Whether for maintenance or repair, sourcing authentic parts from Source One Parts Center ensures quality and reliability. We are dedicated to offering the best Kenworth truck parts, supported by expert knowledge and competitive prices, to keep your vehicle operating at peak performance.