- Brand: Mercury
- Size: 35 40 45 50 60 70 HP
- Style: 2, 3 & 4 Cylinder - 20" driveshaft
- Condition: Re-manufactured
- Notes: Fully Resealed & Pressure Checked With New Impeller!
- SKU: 70594 LRU
- Manufacturer Part Number: 9539A5 7406A35 7406A15 6459A11 9539A3 7406A31
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Motors, Engines & Components
- Other Part Number: 7406A18 6459A5
- Inventory Number: 70594 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $50.00
Mercury 20″ Lower Unit
Mercury 20″ lower unit for 1980–1997 outboards, 35–70 HP, 2 & 3 cylinder, 2.0:1 gear ratio. Professionally inspected, serviced, and tested in great working condition. Does not include trim tab, propeller, or propeller hardware.
SPECS
| Driveshaft Length: 21-3/4″ | Gear Ratio: 2.0:1 |
| Driveshaft Splines: 11 | Prop Shaft Splines: 13 |
Driveshaft length measured from the top of the water pump to the end of the pin.
WHAT WE DID
| ❖ Opened and inspected under magnification ❖ Fully resealed |
❖ Pressure checked to 12 PSI ❖ New water pump impeller installed |
FITMENT
Years: 1980–1997
Horsepower: 35, 40, 50, 60, 70 HP — 2 & 3 Cylinder
Shaft: 20″
WILL NOT FIT any 50, 55, or 60 HP 3-cylinder model from 1991 and newer. If you need that unit, please contact us — do not buy this one for it.
Interchangeable with 1971–1979 models, but this housing differs (squared cavitation plate).
This cross-reference is provided from available resources and likely will not fit every model in the listed years/HP. Match the part number to your motor; contact us before purchase if you need help. Verify by model and serial number before purchase.
6MONTH WORKING WARRANTY
Backed by Southcentral Outboards. Covers mechanical function only; failures during normal use within the warranty period will be repaired or replaced. Warranty begins on the date of purchase.
To validate: core must be of equal or greater value, must spin (not locked up), and be returned within 30 days of purchase. A signed copy of the warranty terms must be returned with your core. We inspect each core and reserve the right to accept or reject it at our discretion.
DISCLAIMER
Listing info accurate to the best of our knowledge but not guaranteed. NO RETURNS ACCEPTED. FITMENT IS THE BUYER’S RESPONSIBILITY — please be absolutely sure this is the correct unit for your motor, and verify by model and serial before purchase.
SOUTHCENTRAL OUTBOARDS · ALTAMONT, IL
