- Brand: Mercury
- Size: 90 100 115 HP
- Style: 15" Driveshaft - Inline 6
- Condition: New
- Notes: NEW OLD STOCK
- SKU: 70698 LRU
- Manufacturer Part Number: 2022A7 1891A6 2022A5 1780A3 1780A5 1891A4
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Motors, Engines & Components
- Inventory Number: 70698 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $75.00
Mercury 15" Lower Unit
Mercury 15" lower unit for 1962–1970 outboards, 90 100 115 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained.
SPECS
| Gear ratio: 2.33:1 | Driveshaft length: 16″ |
| Driveshaft splines: 8 | Prop shaft splines: 15 |
Driveshaft length measured from the top of the water pump.
WHAT WE DID
| ❖ Opened and inspected under magnification ❖ Pressure checked to 12 PSI | ❖ New water pump impeller installed |
FITMENT
Mercury 15"
| Years | 1962–1970 |
| Shaft | 15" |
| Horsepower | 90 100 115 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

