- Brand: Mercury
- Size: 35 40 45 50 60 70 HP
- Color: Black
- Style: 2, 3 & 4 Cylinder - Long
- Condition: Seller Refurbished
- Notes: Fully Resealed & New Impeller!
- SKU: 33772 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
- Surface Finish: Painted, Black
- Warranty: 30 days
- Inventory Number: 33772 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
Mercury 20" Lower Unit 2 3 4 Cylinder
Mercury 20" 2 3 4 Cylinder lower unit for 1980–1997 outboards, 35 40 45 50 60 70 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained. Please note: The paint on the unit is scratched and chipped in some areas, but this is entirely cosmetic. There are some minor dings on the skeg but this is purely cosmetic and will not affect the overall performance. There are not any cracks or breaks in the unit. This does not come with the trim tab.
WHAT WE DID
| ❖ Fully resealed ❖ Pressure checked to 12 PSI ❖ New water pump impeller installed | ❖ Driveshaft and prop shaft checked straight ❖ Professionally cleaned ❖ Opened and inspected |
FITMENT
Mercury 20"
| Years | 1980–1997 |
| Shaft | 20" |
| Horsepower | 35 40 45 50 60 70 HP |
Verify by model and serial number before purchase to confirm this is the correct unit for your application.
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

