Briggs & Stratton 796172 Piston Assembly Replaces 796003/791937/792147 Briggs & Stratton 796172 Genuine Briggs & Stratton Piston Assembly Fits Most 319000, 31A000 Model Briggs & Stratton Engines Replaces Old Briggs # 796003, 791937, 792507, 699052, 697552, 792118, 699025, 697159, 792147