- Brand: Mercury
- Size: 20 HP
- Color: Gray
- Style: 15"
- Condition: Used
- Notes: Freshwater
- SKU: 47356 LRU
- Manufacturer Part Number: N/A
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Motors, Engines & Components
- Other Part Number: N/A
- Surface Finish: Painted, Black
- Inventory Number: 47356 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $50.00
Mercury Lower Unit 15" Driveshaft
Mercury 15" Driveshaft lower unit for 1980–2006 outboards, 20 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained. Please note: There are 8 splines on the driveshaft that show very light wear. Please note that this does not come with the trim tab, propeller or the propeller hardware. The paint is a little banged up and the cavitation plate has been ground but this is entirely cosmetic.
SPECS
| Driveshaft length: 22″ | Driveshaft splines: 8 |
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 ❖ Opened and inspected |
FITMENT
Mercury
| Years | 1980–2006 |
| Shaft | 15" |
| Horsepower | 20 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

