31637-ZY6-010 Alternator Stay - Overview. The 31637-ZY6-010 Alternator Stay is a vital mounting bracket engineered for Honda marine engine systems. This component's primary role is to securely position and support the alternator, ensuring proper function and alignment within the marine engine setup. By maintaining the alternator's position, it plays a crucial part in the engine's electrical system, supporting consistent power generation essential for marine operations. Its design guarantees seam