The Sierra 18-1997-1 Manifold is built with precision and with high-quality, marine-grade components. Designed to be interchangeable with the following: GLM 56230, Mallory 9-40110, Osco 994. Each Sierra product meets or exceeds the original equipment part it replaces.
Sierra Manifold
Contains: (1) 118-2854-1 Exhaust Elbow Gasket, (1) 18-2949 Exhaust Manifold Gasket
Built with precision
Interchangeable with the following: GLM 56230, Mallory 9-40110, Osco 994
Sierra Manifold
Contains: (1) 118-2854-1 Exhaust Elbow Gasket, (1) 18-2949 Exhaust Manifold Gasket
Built with precision
Interchangeable with the following: GLM 56230, Mallory 9-40110, Osco 994