M50-6039-4413500
Heated DEF Return and Supply Hose Assembly (4 x 3500mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is essential for maintaining the proper flow of diesel exhaust fluid in your Kenworth truck. Made from high-quality, heat-resistant materials, this assembly prevents freezing and ensures consistent operation in cold climates. The kit includes four hoses measuring 3500mm, engineered for durability and flexibility. Installing this genuine OEM part helps optimize emission system performance, reduce downtime, and extend service life. When you choose parts from Source One Parts Center, you receive authentic Kenworth components that meet OEM standards. Our team is committed to providing top-quality parts and expert support to keep your vehicle in peak condition.