Power Trim Cylinder O-Ring Kit for a Mercruiser Sterndrive. It will fit the following application: Mercruiser Model MC-1, 1970-80 using cylinder # 87173 & # 77442. This item replaces OEM: # 25-60342A2.
Power Trim Cylinder Overhaul Kit for Mercruiser Applications. It will fit MC-1 1970 thru 1980 with cylinder # 87173 & 77442. This item replaces OEM: # 45522A3.