SKU: 81413435221

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

Sale price$1844.99 Regular price$2049.99
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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3

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Description

New OBR / Mercruiser 1969-1990 Alpha I 4-CYL/V6/V8 Complete Sterndrive AssemblyThis listing is for a New OBR Mercruiser Alpha I Complete Drive Shaft Assembly, which will fit models from 1969 to 1990 (Please note that Alpha I serial numbers are from OD494569 and before). 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. This item is available in the following Gear Ratios: 1. 50, 1. 65, 1. 84, and 1. 98.

This listing is for a New OBR Mercruiser Alpha I Complete Drive Shaft Assembly, which will fit models from 1969 to 1990 (Please note that Alpha I serial numbers are from OD494569 and before). 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. 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, number of cylinders, model and serial number. 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 Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 81413435221

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Reviewed in the United States on May 1, 2026
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I was looking for a sustainable alternative to plastic toothbrushes, and David’s Premium Bamboo Toothbrush absolutely delivers. It's a perfect mix of eco-conscious design and great performance. ✅ Quality: The bamboo handle is smooth, lightweight, and easy to grip — no splintering or rough edges. The bristles are soft yet effective, making them gentle on gums but still great at cleaning. 🌱 Eco-Friendly: Love that it’s biodegradable and made from responsibly sourced bamboo. It feels good knowing I’m reducing plastic waste without sacrificing dental care quality. 💰 Value: For a premium eco-toothbrush, the price is very reasonable. You’re getting a product that looks and feels high-end while supporting sustainable practices. Highly recommend for anyone looking to make simple, environmentally friendly swaps in their daily routine without compromising on comfort or effectiveness.
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