1970-1977 Mercury Short Shaft Lower Unit 20 200 HP 2 Stroke

• The paint is banged up and holes are drilled in the cavitation plate
• The housing has been welded by the bearing carrier
• The unit shifts and spins without binding
• The oil was clean showing no signs of heavy metal or water
• The prop shaft is straight
• The driveshaft splines are showing light wear
• This unit did not pressure check and is leaking from the shift rod seal 
• The prop shaft seal is not leaking but does need replaced

Please note that we will not accept returns for this item if it is ordered incorrectly or if you change your mind. We guarantee this part to be in working condition if there are any issues, please contact us. However, please be absolutely sure this is the correct one for your motor prior to purchasing.

Location: Southcentral Outboards, Altamont, Illinois

We have provided this cross-reference with the resources we have available in regards to fitment. This most likely will not fit every model for the years and horsepowers we have listed. We urge you to make sure this is the exact item you need by matching the part number to what is required for your motor. If you need help doing so, please contact us prior to purchasing and we would be happy to help!