1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY

 
$1,125.00
International Shipping Quote
  • Brand: Mercury
  • Size: 75 80 85 90 HP
  • Style: 20" Shaft - L3 - 3 Jaw Reverse Clutch - 3 cylinder - 2.33:1 Ratio
  • Condition: Used
  • Notes: Fully Resealed & Pressure Checked With New Impeller!
  • SKU: 59509 LRU
  • Manufacturer Part Number: 9011A73 9011T73 9011A6
  • Country of Manufacture: United States
  • Motor & Engine Type: Mercury
  • Part Type: Motors, Engines & Components
  • Inventory Number: 59509 LRU
  • Website Category: Lower Units
  • Website Sub Category: Complete Lower Units
  • UPC: N/A
  • Shipping: $75.00

Mercury 20" Lower Unit L3 2.33:1Ratio

Mercury 20" L3 2.33:1Ratio lower unit for 1987–1997 outboards, 75 80 85 90 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained.

SPECS

Gear ratio: 2.33:1Driveshaft length: 20-1/4″
Driveshaft splines: 13Prop shaft splines: 15

Driveshaft length measured from the top of the water pump.

WHAT WE DID

Fully resealed
Pressure checked to 12 PSI
New water pump impeller installed
Driveshaft and prop shaft checked straight
Shifts smoothly through gears
IMPORTANT: Gear oil is NOT included. Oil must be added prior to use.

FITMENT

Mercury 20"

Years1987–1997
Shaft20"
Horsepower75 80 85 90 HP

Verify by model and serial number before purchase to confirm this is the correct unit for your application.

1Year Working Warranty

Backed by Southcentral Outboards. Warranty validated by core return — we provide the shipping label. Failures during normal use within the warranty period will be repaired or replaced.

DISCLAIMER

Listing info accurate to the best of our knowledge but not guaranteed. Fitment is the buyer’s responsibility — verify by model and serial before purchase.

SOUTHCENTRAL OUTBOARDS  ·  ALTAMONT, IL

1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY
1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY1987 - 1997 Mercury 20" Lower Unit 75 80 85 90 HP L3 2.33:1Ratio 1 YEAR WARRANTY