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Mercruiser Alpha One Upper Driveshaft Assembly MRAU165N

You save $170.00. (9%) $1860
(4) Product Variations available
5+ IN STOCK
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  • This is a Crowley Marine brand product
  • Flat rate shipping, no hidden fees
  • 30 day return policy

Product Description

New upper drive for Mercruiser Alpha One Gen I from 1969 to 1990. Includes a one year warranty. Fits Alpha I drives with serial numbers 0D494569 and below.

Note: Older "R" style 4 & 6 cylinder units require that you reuse your input shaft.

Read more about our new and remanufactured sterndrives.

Gear Ratio Chart:
  • 1.98 - 120 (I4), 130 (I4)
  • 1.84 - 165 (I4), 175 (V6), 180 (I4), 205 (V8)
  • 1.65 - 200 (V8)
  • 1.50 - 230 (V8), 260 (V8), 270 (V8)
Lower Unit & Sterndrive Break-In Procedure Lower Unit & Sterndrive Break-In Procedure Mercruiser Alpha One Indentification Mercruiser R-Style Identification

This product is mentioned in 1 document:

Lower Unit & Sterndrive Break-in Procedure

4 Product Variations available

Name SKU Condition Gear Ratio
Ships immediately
5+ IN STOCK
1690
1969-1990 Alpha One Upper Driveshaft Assembly -- 1.65 Gear Ratio - New MRAU165N new 1.65
Ships immediately
5+ IN STOCK
1690
1969-1990 Alpha One Upper Driveshaft Assembly -- 1.50 Gear Ratio - New MRAU150N new 1.50
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5+ IN STOCK
1690
1969-1990 Alpha One Upper Driveshaft Assembly -- 1.84 Gear Ratio - New MRAU184N new 1.84
Ships immediately
5+ IN STOCK
1690
1969-1990 Alpha One Upper Driveshaft Assembly -- 1.98 Gear Ratio - New MRAU198N new 1.98
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