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(also the 40hp-75hp with the LARGE 4-1/4" gearcase)
Mercury 90hp (900) - 6cyl (1978-1986) WMK-23 / WMK-27 / WMK-30 / WMK-35 / WMK-39
1983-1990 Models DO NOT have a pre-load pin on the driveshaft
Stamped 54464
Measures around 17' / 17FT / 17 Feet 8-Pins (2 Big pins / 6 Small pins)
Hynautic K-13 Morse SeaStar Hydraulic Steering Cylinder Actuator Mercruiser Propeller (also the 40hp-75hp with thePart 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