M50-6039-4412950
Heated DEF Return and Supply Hose Assembly (4 x 2950mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is a critical component designed for efficient diesel exhaust fluid management in Kenworth trucks. Crafted with durable materials, this hose assembly ensures reliable transfer of DEF between the tank and aftertreatment system, even in extreme temperatures. Its heating feature prevents DEF freezing and crystallization, maintaining optimal flow and system performance. Available in various lengths, each assembly is engineered for a perfect fit, reducing installation time and enhancing vehicle reliability. Whether you're performing maintenance or replacing worn-out hoses, this assembly guarantees a secure connection and long-lasting operation. Trust Source One Parts Center for genuine OEM parts that meet Kenworth's strict standards, ensuring your truck runs smoothly and efficiently. Our extensive inventory and expert support make us the best choice for sourcing authentic parts to keep your fleet on the road.