- Brand: Mercruiser
- Size: Alpha I Gen II
- Style: Standard Rotation - 13/15 splines - 1.62:1 Ratio
- Condition: Re-manufactured
- Notes: Fully Resealed & Pressure Checked With New Impeller!
- SKU: 26-71021 LRU
- Manufacturer Part Number: 1623-815822A53 815822A43 825822A5 812822A32
- Inventory Number: 26-71021 LRU
- Shipping: $75.00
UP Alpha I Gen II Mercruiser Lower Unit Outdrive 1.62:1
UP Alpha I Gen II Mercruiser Outdrive 1.62:1 lower unit for 1991 & Up outboards. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained.
SPECS
| Gear ratio: 1.62:1 | Driveshaft length: 7-3/4″ |
| Driveshaft splines: 13 | Prop shaft splines: 15 |
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 ❖ Professionally cleaned ❖ Stripped, primed and ready for paint |
FITMENT
UP Alpha I Gen II Mercruiser
| Years | 1991 & Up |
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

