Hynautic K-13 Morse SeaStar Hydraulic Steering Cylinder Actuator Intakes Mercury 858584T / 858584A1 Exhaust

Mercury 858584T / 858584A1 Exhaust Tube (Stamped 858584-C or 858584-C1)

Crankshaft Used from 1981-1985 on all OMC & MerCruiser 3

but the part number according to the diagram is 2778809 and are the same part

20hp 1966-1973

7L 4cyl 170hp / 165hp 4

Hynautic K-13 Morse SeaStar Hydraulic Steering Cylinder Actuator Intakes Mercury 858584T / 858584A1 ExhaustPart Number(s) Included Hynautic Inc. K 13 Hydraulic Steering System Cylinder Actuator General Application Compatibility Appears to be from a "vintage 80's 90's" Hynautic Hydraulic Steering System 9" Stroke for the K 13 (K 14 Models had a 7" stroke) Other Details Freshwater Used Parts MOVES FREELY, BUT HAS NOT BEEN REBUILT The sticker is ripped around where the model number would be on this, and the only two hynautic cylinders that were manufactured