This Mercury Mercruiser Retainer 92817-C or 79448 Washer Lock Ring is a crucial component for your boat's transmission and drive system. It is designed to securely hold the washer in place and ensure optimal performance of the engine. Crafted from high-quality materials, this retainer is built to last and withstand the rigors of all types of marine environments. Whether you're a professional mechanic or a recreational boater, this retainer is an essential part of your boat's maintenance program. Get yours today and keep your engine running smoothly and reliably.