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New OBR / Mercruiser 1969-1990 Alpha I 4-CYL/V6/V8 Upper Sterndrive Assembly

$2,240.00
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Shipping:
$65.00 (Fixed Shipping Cost)

This listing is for a New OBR Mercruiser Alpha I Upper Drive Shaft Assembly, which will fit models from 1969 to 1990 (Please note that Alpha I serial numbers are from OD494569 and before). 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: 1.50, 1.65, 1.84, and 1.98. When placing an order, please specify gear ratio. Please note that older "R" style 4 & 6 cylinder units require that you reuse your input shaft. Please use chart below to help identify your model:

Alpha I Standard Production Models
ENGINE HP

DISPLACEMENT

LITRE/CID

CYLINDERS GEAR RATIO TOOTH COUNT
2.5 Litre 120 2.5 / 153 4-In-Line 1.98 20-24
3 Litre 130 3.0 / 181 4-In-Line 1.98 20-24
165 165 3.7 / 224 4-In-Line 1.84 17-19
175 175 4.3 / 262 V-6 1.84 17-19
180, 470, 190 180 3.7 / 224 4-In-Line 1.84 17-19
200 200 5.0 / 305 V-8 1.65 24-24
205 205 4.3 / 262 V-6 1.84 17-19
230 230 5.0 / 305 V-8 1.50 20-22
260 260 5.7 / 350 V-8 1.50 20-22
350 Magnum 270 5.7 / 350 V-8 1.50 20-22


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. Please provide your engine model number to help confirm compatibility.