Sierra International Carburetor w/ Base Gasket For MerCruiser 120/2.5L & 140/3.0L 18-7370N. 5L and 140/3.0L inboard engines. The carburetor includes the base gasket. Use with Sierra's 18-7098-1 Carburetor Kit and 18-0994 Carburetor Mounting Gasket. It...