- Brand: SEI
- Condition: Used
- SKU: 26-71197 LRU
- Motor & Engine Type: Mercruiser
- Part Type: Motors, Engines & Components
- Warranty: 6 month
- Inventory Number: 26-71197 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- Shipping: $50.00
SEI Lower Unit — Fits MerCruiser Alpha I Gen II
SEI aftermarket replacement lower unit (outdrive) that fits MerCruiser Alpha I Gen II, 1.62:1 gear ratio. This is an aftermarket SEI drive, not a genuine MerCruiser unit. Pressure tested and fitted with a new water pump impeller; shifts smoothly with straight shafts and good splines. Saltwater unit.
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
|
❖ Pressure checked to 12 PSI ❖ New water pump impeller installed ❖ Shifts smoothly through gears |
❖ Driveshaft and prop shaft checked straight ❖ Driveshaft and prop shaft splines in good condition |
FITMENT
Fits MerCruiser Alpha I Gen II
| Years | 1991 & Up |
| Drive | Alpha I Gen II |
| Gear ratio | 1.62:1 |
| Unit | Aftermarket SEI replacement drive |
Verify by drive model and serial number before purchase to confirm this is the correct unit for your application.
Backed by Southcentral Outboards. This 6-month working warranty covers the gears, bearings, and shafts — it does not cover seals. Warranty validated by core return; we provide the shipping label.
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