Mercruiser 43-96084A-7 Forward Gear Set Genuine OEM Mercruiser part. Application: R/MR/Alpha One (Sterndrive) 1983-1990 (s/n 6225577 thru 0F386995) R/MR/Alpha One (Transom Assembly) 1983-1990 (s/n 6216687 thru 0F386995) .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before placing your order. No returns or cancellations once processed.