Briggs & Stratton 797017 Crankshaft Replaces 691450/498562/699010/694440 Briggs & Stratton 797017 Genuine Briggs & Stratton Crankshaft Fits Most 128000, 122000 Model Briggs & Stratton Engines Replaces Old Briggs # 691450, 498562, 699010, 694440, 493282, 493430