- Brand: Mercury
- Size: 35 40 45 50 60 70 HP
- Style: 2, 3 & 4 Cylinder - Short
- Condition: Re-manufactured
- Notes: Fully Resealed & Pressure Checked With New Impeller!
- SKU: 31234 LRU
- Manufacturer Part Number: 9539A4 7406A34 7406A14 6459A10 9539A2 7406A30
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Motors, Engines & Components
- Other Part Number: 7406A17 6459A4
- Surface Finish: Painted, Black
- Inventory Number: 31234 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $50.00
Mercury 15" Lower Unit
Mercury 15" lower unit for 1980–1995 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.
SPECS
| Driveshaft length: 17-11/16″ | |
| Driveshaft splines: 11 | Prop shaft splines: 13 |
Driveshaft length measured from the top of the water pump.
WHAT WE DID
| ❖ Opened and inspected under magnification ❖ Fully resealed | ❖ Pressure checked to 12 PSI ❖ New water pump impeller installed |
FITMENT
Mercury 15"
| Years | 1980–1995 |
| Shaft | 15" |
| 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. 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

