M50-6039-4414450
Heated DEF Return and Supply Hose Assembly (4 x 4450mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is a vital component for ensuring efficient and reliable operation of your Kenworth's aftertreatment system. Designed to withstand high temperatures and chemical exposure, this hose facilitates the safe transfer of Diesel Exhaust Fluid (DEF) within the emission control system. Its robust construction and precise dimensions provide a secure fit, preventing leaks and ensuring durability over time. Using genuine OEM parts like this hose assembly guarantees compatibility and optimal performance, helping you maintain compliance with environmental standards. Whether for routine maintenance or repair, sourcing parts from Source One Parts Center ensures you receive high-quality, authentic components backed by expert support. Trust us to supply the best Kenworth truck parts to keep your vehicle performing at its best and on the road longer.