A-B1821069-AI PLUG-CAMSHAFTOne New Aftermarket Replacement Camshaft Plug Fits Briggs & Fits Stratton Small Gasoline Engines This camshaft plug seals the camshaft bore in the engine block, blocking oil passages and preventing oil leakage, and keeping dust, dirt, and debris out of the engine. It is a direct fit replacement Fits Briggs & Fits Stratton (B&S) small gasoline engines used in lawn mowers, riding mowers, lawn tractors, and outdoor power equipment. Compatible Fits Briggs