20" Mercury 1991-2006 Lower Unit 50 55 60 HP 1.64:1 2 Stroke 3 Cyl

• From the top of the water pump to the end of the driveshaft, it measures approximately 20 5/8" long and has 11 splines.
• The spline count on the propeller shaft is 13. 
• This unit shifts and spins smoothly without binding.
• The gears and clutch are in good condition with light wear.
• The prop shaft is straight.
• The oil was milky but showed no signs of heavy metal.
• This unit is fully resealed and pressure checked with a new impeller installed.
  
  Please remember to add oil before use. You can purchase this lower unit with confidence with a 1 YEAR WARRANTY in exchange for your core.

General Information

• Freshwater condition
• Opened & Inspected
• Professionally Cleaned
• New Impeller
• Pressure checked to 12 PSI minimum
• Fully Resealed
• Shafts checked for straightness

This lower unit qualifies for a 1 year warranty.  The warranty is validated by your core.  In order to qualify for this, you must send in that core.  Both shafts must spin and it must be complete.  We will send a label for you to return your core in our box after receipt of the unit you’ve purchased.  If you do not have a spinning core, you may call in after your purchase and buy the 1 year warranty for 10% of the purchase price.  If you do not return a core or purchase a warranty, this unit will be sold with a 45 day warranty and nothing more or less.

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!