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Description
New OBR / Mercruiser 1991-2020 Alpha I Gen II Upper Sterndrive AssemblyThis listing is for a New OBR Mercruiser Alpha I Generation II Upper Drive Shaft Assembly, which will fit models from 1991 to 2020 (Please note that Alpha II serial numbers are from OD494569 and forward). New upper drives are assembled with a combination of all new OEM and new aftermarket parts using only high grade American steel for gears and shafts. This item is available in the following Gear Ratios: 1. 47, 1. 61, 1. 81, 1. 94, 2. 0 and 2. 4. When
This listing is for a New OBR Mercruiser Alpha I Generation II Upper Drive Shaft Assembly, which will fit models from 1991 to 2020 (Please note that Alpha II serial numbers are from OD494569 and forward). New upper drives are assembled with a combination of all new OEM and new aftermarket parts using only high grade American steel for gears and shafts. This item is available in the following Gear Ratios: 1.47, 1.61, 1.81, 1.94, 2.0 and 2.4. When placing an order, please specify gear ratio, number of cylinders, model and serial number. Please use chart below to help identify your model:
| ENGINE | HP |
DISPLACEMENT LITRE/CID |
CYLINDERS | GEAR RATIO | TOOTH COUNT | YEAR |
| 3.0L | 130 | 3.0/181 | 4-In-Line | 2.0 | 24-24 | 1998-2020 |
| 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 | 1991-2020 |
| 5.0L | 230 | 5.0/305 | V8 | 1.61 | 24-24 | 1991-2020 |
| 5.7L | 260 | 5.7/350 | V8 | 1.47 | 20-22 | 1991-2020 |
| NA | NA | NA | NA | 2.4 | 20-24 | 1998-2020 |
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 Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy