Mercury - Quicksilver 8M6007998 Aluminum Anode Kit Volvo 280 Duoprop Sterndrive Series Cast Aluminum Finish 8M6007998. Overview. There is a quiet comfort that comes from knowing your sterndrive is protected long before you even back away from the dock. Every boater understands that feeling the peace that comes from trusting the parts guarding your boat beneath the surface. Whether you are running through open water or idling back toward shore after a long day, you want protection that works with