OE# SK121342,2710900982,2720900682,AIH1222M. OEM: SK121342,2710900982,2720900682,AIH1222M. Type: Air Intake Tube Cleaner Hose. ✔Important Role: The intake hose tube can ensure that the engine can get enough fresh air and work in coordination with other components to improve the performance, efficiency and stability of the engine.