A-B1793497-AI GASKET-EXHAUSTOne New Aftermarket Replacement Exhaust Gasket Fits Briggs and Stratton (B&S) Small Engines This aftermarket replacement exhaust gasket seals the connection between the engine block and the exhaust system on Fits Briggs and Stratton small gasoline engines. A properly functioning exhaust gasket prevents exhaust leaks that can cause loss of power, increased emissions, and engine damage over time. Replace when you notice exhaust leaks, excessive smoke,