The Sierra 18-1973 Elbow is constructed with precision. Designed to be interchangeable with the following: Barr MC-20-55538, Mallory 9-40553, Mercruiser 55538A2, 39920A1, 39920, Osco 5538. Each Sierra product meets or exceeds the original equipment part it replaces. Fits: Most early Model 120hp Mercruiser applications.
Sierra Elbow
Meets or exceeds the original equipment quality
Built with precision
Interchangeable with the following: Barr MC-20-55538, Mallory 9-40553, Mercruiser 55538A2, 39920A1, 39920, Osco 5538
Fits: Most early Model 120hp Mercruiser applications
