A-B1820351-AI GASKET-CYLINDER HEADOne New Aftermarket Replacement Cylinder Head Gasket Fits Briggs & Fits Stratton Small Engines This cylinder head gasket seals the joint between the engine block and cylinder head on Fits Briggs & Fits Stratton (B&S) small engines. It maintains combustion pressure and prevents oil or coolant from entering the cylinders, ensuring proper engine performance. Always verify your exact engine model number and type code before ordering, as Fits Briggs & Fits