SEI Marine

Alpha One Gen 1 Upper Unit 1.81

( 1 Review )

SE-106 (Replaces MerCruiser's R/MR/Alpha One I/O) 1.81 (Standard / New Yoke)

Mercruiser Alpha One Gen 1 Upper Unit

-Available in both new and old style yokes

-Comes complete with all gears- shafts, and u-joints

-ready to bolt on

-unit is brand new, not remanufactured


How to determine if you need a new yoke or old yoke -

Inline 4, and 6 cylinders typically need an old yoke

How to measure



Current stock: 0

Installation Gasket
3 Year fault free warranty
Typically ships in 24 hours
$0.00 (Fixed Shipping Cost)

1 Review

18th Aug 2012

Didnt break the Bank

I didnt break the bank putting my outdrive back together after tearing up the upper. So far everything is going good. I bought for the price and the warranty, Its better than oem.

Add a Review