This listing is for a New OBR Mercruiser Alpha I Gen II Complete Drive Shaft Assembly, which will fit models from 1991-2022 (Please note that Alpha I Gen II serial numbers are from OD494569 and after). New drive shaft assemblies are assembled with a combination of all new OEM and new aftermarket parts using only high grade American steel for gears and shafts. Bolt Kit Included. For a Counter Rotating assembly, add $300. This item is available in the following Gear Ratios:
- 3.0L 4 cylinder 2.0 Ratio
- 3.0L 4 cylinder 1.94 Ratio
- 4.3L V6 1.81 Ratio
- 5.0L V8 1.61 Ratio
- 5.7L V8 1.47 Ratio
When placing an order, please specify gear ratio, number of cylinders, model and serial number.
| ENGINE | HP |
|
CYLINDERS | GEAR RATIO | TOOTH COUNT | YEAR |
| 3.0L | 130 | 3.0/181 | 4-In-Line | 2.0 | 24-24 | 1998-2022 |
| 3.0L | 130 | 3.0/181 | 4-In-Line | 1.94 | 20-24 | 1991-1997 |
| 4.3L | 175 | 4.3/262 | V6 | 1.81 | 17-19 | 1991-2022 |
| 5.0L | 230 | 5.0/305 | V8 | 1.61 | 24-24 | 1991-2022 |
| 5.7L | 260 | 5.7/350 | V8 | 1.47 | 20-22 | 1991-2022 |
| NA | NA | NA | NA | 2.4 | 20-24 | 1998-2022 |
A Limited One-Year Warranty is included in the order. An additional Twelve-Month Extended Warranty is available. See options and pricing above. Please read the terms of OBR's New and Remanufactured Parts Warranty at https://obparts.com/obr-red-rhino-new-and-remanufactured-parts-warranty/.
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. To ensure that the proper product is ordered, please include your sterndrive's model and serial number in any message.
