Quicksilver Aluminum Outboard Power Trim Anode.
Valuable protection against electrolysis! Anode degradation is a natural part of boat ownership. Proper maintenance of your Anodes can be the difference between paying a little now, or a LOT later.
Fits Mercury / Mariner 30/40 four-stroke, 40 (4-cylinder), 50 (3-cylinder 1987-1997), 55 (3-cylinder), 60-90 (3-cylinder 1987 and newer), 75 (4-cylinder), 75/90 four-stroke, 100-125 (4-cylinder), 115 (6-cylinder 1984-1988), and all V-6 and OptiMax outboard engines. Manufacturer's part # 710-818298Q 1. Made from aluminum for saltwater use.