-10% Compare SE106, LOWER (Replaces Mercruiser Alpha One) Alpha One Gen I, Lower Only, ST, Surcharge-60 $1,082.25 Original price was: $1,082.25.$975.00Current price is: $975.00. SE106, LOWER (Replaces Mercruiser Alpha One) quantity Add to cart SKU: ST-90-106-02 Mercruiser Alpha One Lower Unit SE106 Mercruiser Alpha One Lower Unit SE106 is a premium quality lower unit that fits