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New OBR / Mercruiser 1991-2020 Alpha I Generation II 4-CYL/V6/V8 Lower Sterndrive Assembly
OBR

New OBR / Mercruiser 1991-2020 Alpha I Generation II 4-CYL/V6/V8 Lower Sterndrive Assembly

SKU: MC-AL-N

$2,099.99
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Description

This listing is for a New OBR Mercruiser Alpha I Generation II Lower Drive Shaft Assembly, which will fit models from 1991-2020 (Please note that Alpha II serial numbers are from OD494569 and forward). New lower 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. These are also available in counter rotating models. When placing an order, please specify gear ratio, number of cylinders, model and serial number. Please use chart below to help identify your model:

Alpha I Generation II Standard Production Models
ENGINE HP

DISPLACEMENT

LITRE/CID

CYLINDERS GEAR RATIO TOOTH COUNT YEAR
3 Litre 130 3.0 / 181 4-In-Line 2.0 24-24 1998-2020
3 Litre 130 3.0 / 181 4-In-Line 1.94 20-24 1991-1997
4.3 Litre 175 4.3 / 262 V-6 1.81 17-19 1991-2020
5.0 Litre 230 5.0 / 305 V-8 1.61 24-24 1991-2020
5.7 Litre 260 5.7 / 350 V-8 1.47 20-22 1991-2020
NA NA NA NA 2.4 20-24 1998-2020

Before ordering, please select the appropriate model from the list above and check for any price adjustments.


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/.