A-B1843954-AI SUMP-ENGINEOne New Aftermarket Replacement Engine Sump Fits Briggs & Fits Stratton Small Engines This aftermarket replacement engine sump (oil pan) Fits Briggs & Fits Stratton small engines commonly used in lawn and garden equipment including lawn mowers, riding mowers, and outdoor power equipment. The engine sump seals the bottom of the engine block, houses and retains engine oil, and supports the crankshaft making it a critical component of the lubrication