Volvo Penta AQ 290A 290B DP-A DP-B SP-A SP-B. Suspension H Fork 854100, 852869. For square trim rams and gauges, or 18mm hinge pins. In fair condition. Has heavy pitting but still solid and functional. Bearing is dirty but still seems good with no damage to the roll pins or cage. Upper seal is ok still but lower seal is bad. A good canadate for a cheap replacement.