A-B1337693MA-AI CABLE, LOWER CONTROLOne New Aftermarket Replacement Lower Control Cable for Murray Lawn Mowers This lower control cable is a direct aftermarket replacement for Murray walk behind lawn mowers. The lower control cable connects the operator bail handle to the engine zone control mechanism, enabling safe blade engagement and engine stop functions. A worn or broken cable will prevent the blade from engaging or cause the brake to fail to release when the lever is pressed.