Quicksilver 97-818298Q-1 Power Trim Anode Alum The Quicksilver 97-818298Q-1 Power Trim Anode is made from lightweight aluminum to provide excellent anodic protection against galvanic corrosion. Aluminum Located on the bottom of the external power trim pump assembly Application Fits MercuryMariner 3040 Fourstroke, 40 HP 4-Cyl, 50 HP 3-Cyl 1987-1997, 55 HP 3-Cyl, 60-90 HP 3-Cyl 1987 and newer, 75 HP 4-Cyl, 7590 HP Fourstroke, 100-125 HP 4-Cyl, 115 HP 6-Cyl 1984-1988, and all V-6 and OptiMax outboa