A-B1594974-AI SUMP-ENGINEOne New Aftermarket Replacement Engine Sump Fits Briggs & Fits Stratton Small Engines This aftermarket replacement engine sump (crankcase cover) Fits Briggs & Fits Stratton small engines used in lawn and garden equipment. The engine sump forms the lower crankcase closure, containing and managing engine oil to ensure proper lubrication of crankshaft bearings and internal engine components. Superseded numbers 594973 and 84007282 have both been