This high-quality alternator is a must-have for anyone who wants to keep their Mercury Outboard Optimax 200, 225, or 250 running smoothly. With a manufacturer part number of 875286A1 and a brand of Mercury, you can be confident that you are getting a reliable and durable product. This alternator is perfect for those who want to replace a worn-out part or upgrade their current one. It is compatible with a range of outboard engines and can be easily installed. So, whether you're a professional mechanic or a DIY enthusiast, this alternator is the perfect choice for your boat.