This listingis for a SEI / Mercruiser Alpha 1 1972-1990 Upper Unit With 9 9/16th New Style Input Yoke.
Replaces OEM Number 9412A23, 9412A20, 9412A21, 9412A22.
Replaces R, MR, Alpha One Uppers from 1972-1990, Up to 300 HP and is offered with the following ratios:
3.0L 4 CYL 1.94 Ratio
4.3L V6 1.81 Ratio
5.0L V8 1.62 Ratio
5.7L V8 1.47 Ratio.
Will not work for Alpha 1 Gen II drives.
Also includes a three year fault free warranty (click HERE for details)!!
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.
