New SEI Mercruiser Alpha 1 1972-1990 5.7L V8 1.47/1.50 Ratio Gear Set. Replaces OEM number 43-18410A4. Fits Type I, R, MR, Alpha I drives (Also replaces Gen II Serial #s 0L00039 and below).
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.
