A-B1797793-AI PLUG-OIL DRAINOne New Aftermarket Replacement Oil Drain Plug Fits Briggs & Fits Stratton Small Engines This aftermarket replacement oil drain plug fits the engine oil sump on Fits Briggs & Fits Stratton (B&S) small engines used in lawn mowers, generators, pressure washers, and other outdoor power equipment. The plug seats in the threaded drain port at the base of the engine oil sump and must be removed during routine oil changes. A properly sealing drain plug