Cummins Fluid Heating Hose 4354122

The Cummins Genuine DEF Heating Hose Assembly is engineered to maintain Diesel Exhaust Fluid (DEF) flow and prevent freezing in low-temperature environments. Featuring integrated electrical heating elements and sealed OEM connectors, this hose ensures efficient DEF delivery to the SCR system. Built with high-temperature insulation and durable sheathing, it offers dependable performance and long service life under demanding diesel emission conditions.