Sierra International 18-7291 Carburetor Kit Sierra Carburetor Kit Meets or exceeds the original equipment quality Sierra part number: 18-7291 Interchangeable with the following: Mallory 9-37501, Mercury 84475M, Nissan/Tohatsu 346-87122-0, Yamaha 6H1-W0093-01-00, 6H1-W0093-00-00