M50-6039-3234300
Heated DEF Return and Supply Hose Assembly (4 x 4300mm)
Kenworth®

The Heated DEF Return and Supply Hose Assembly is a vital component for maintaining optimal aftertreatment system performance in Kenworth trucks. Designed to withstand high temperatures and harsh conditions, this hose assembly ensures the efficient transfer of Diesel Exhaust Fluid (DEF) between the tank and aftertreatment components. Crafted with durable materials, it features precise dimensions, such as 4300mm in length, to fit specific vehicle configurations. Proper installation of this assembly helps prevent DEF leaks and contamination, extending the lifespan of your emission control system. Whether you're performing routine maintenance or repairing a damaged hose, sourcing genuine OEM parts like this ensures reliability and compatibility. At Source One Parts Center, we pride ourselves on offering authentic Kenworth parts, backed by quality assurance and expert support. Trust us to provide the best solutions for your heavy-duty truck needs, ensuring your vehicle remains compliant with emission standards and operates at peak efficiency.