
The Gates molded upper engine-to-radiator coolant hose for 2009–2018 Freightliner Cascadia with Detroit Diesel DD15 replaces the factory upper routing to restore proper coolant circulation in heavy-duty applications. Offered as a direct-fit molded hose, it addresses age-related wear and helps maintain cooling-system integrity for road use and scheduled maintenance.
Gates 09-18 Freightliner Cascadia Detroit Diesel DD15 Diesel Upper - Eng To Rad Molded Coolant Hose