Mercury 1980 1981 - 1997 Lower Unit 20" 35 40 45 50 60 70 HP 1 YEAR WARRANTY✨

• 20" Inch Driveshaft  
• Unit is fully relsealed and pressure checked with a new impeller installed
• Extended Warranty with exchange of a spinning core (see below for more info)

• Shifts and spins smoothly without binding
• Shafts checked for straightness
• Driveshaft splines show light wear
• Gears & clutch are in good condition with light wear on clutch surfaces
• Freshwater Condition
• New Impeller installed
• Fully Resealed & Pressure checked to 12 PSI 

Driveshaft splines: 11

Propeller shaft splines: 13

Driveshaft length from top of the water pump to top of the driveshaft pin: 21-1/2"

Please add oil before use. This unit is shipped empty. 

This part is sold with a 1 year working warranty.  This warranty is upheld by Southcentral Outboards. If you need to use, or have any questions regarding this warranty, you must contact us directly.

Location: Southcentral Outboards, Altamont, Illinois

1980-1997 - 35 40 45 50 60 70 - 20" - 2-Stroke

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!