Cummins Flexible Sleeve Hose 4970037

Cummins Plain Hose/Sleeve (Part No. 4970037). A short, straight, red/brown silicone or reinforced rubber hose designed as a flexible connector (sleeve) in the engine's fluid or air systems. It is commonly used in high-temperature or high-pressure applications (e.g., air intake or intercooler piping) on Cummins ISX/QSX 15L engines.