Mercury/Yamaha Mariner 1977-1987 Lower Unit 20" Long 8 HP 2-Stroke

• The driveshaft measures 17-1/2" long and has 11 splines.
• This unit is missing the water pump. 
• The prop shaft is bent but spins good and the driveshaft splines have slight wear but are in working order.
• The paint is a little banged up but is still structurally sound.
• The unit did pressure check.
  
   This unit has been drained and will need oil put in prior to use.  

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!