Sierra 18-5816 Solenoid (Flat Bracket) Sierra Solenoid (Flat Bracket) Meets or exceeds the original equipment quality Sierra part number: 18-5816 Interchangeable with the following: Arco SW054, GLM 72390, Mallory 9-15113, Mercruiser 89-96054B, 89-96054, 89-96054T Mercury 89-91975, 89-96054 Fit specific, check part numbers to ensure proper fit