A-B11101360MA-AI S-CBL-C 42.00 20RBP COne New Aftermarket Replacement Engine Stop Cable Fits Briggs and Stratton (B&S) Murray 20 Inch Walk Behind Lawn Mowers This aftermarket replacement engine stop cable (also called an engine control cable or kill cable) connects the operator presence handle bar to the engine's stop mechanism on 20 inch walk behind push mowers. When the handle is released, the cable triggers the engine to stop, a critical safety function on any walk behind mower.