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Mercruiser Stern Drives

MerCruiser Stern Drives

MerCruiser stern drives are the result of over 40 years of refining and reengineering the world’s best outdrives. And over 40 years spent as the unquestioned technology, performance and propulsion leader. MerCruiser stern drive technology is designed to maximize your experience–whether through ease of maintenance or trouble-free operation.

MerCruiser Alpha One Gen I Sterndrives

Mercruiser Alpha One Gen One stern drives were produced from 1984-1990. Improved gear design and bearing arrangements made the Alpha One drive stronger than its "R" Drive predecessor. These Mercruiser Alpha One's come in four different gear ratios: 1.5:1, 1.65:1, 1.84:1 and 1.98:1. The lower housings for all of the Alpha One outdrives use the same lower unit as the gearing is changed in the upper housing.

MerCruiser Alpha One Gen II Sterndrives

These are an updated design on the first Alpha Ones which were manufactured by Mercruiser from 1991-2003. The complete Mercruiser sterndrives come in five gear ratios: 1.47:1, 1.61:1, 1.81:1, 1.94:1 and 2.0:1. The 2.0:1 gear ratio was only available from 1998-2003 and also has a Mercruiser lower unit with a ratio of 2.0:1 as opposed to the standard 1.62:1.

Latest Repair Stories and Reviews

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
The overall experience was excellent. There was a mistake made during packing but was remedied quickly.
by Jacob

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
I like the online schematics and links to the parts that I need. Very good experience.
by Kevin

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
by Timothy

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Paid for parts and two days shipping. Received partial delivery and got promised to send the other part soon. It has been a month of waiting. Still no part received. Will never buy again!!!
by Victor

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Horrible I waited for a part all summer and kept being told a couple weeks then a couple more as they said they were waiting on Yamaha. I finally had them ship what was on hand and went to another company that had the part I needed in stock.
by Roland

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
by Frank

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
never will I use you ever again. One star is way too much to rate you.
by arnie

Order Review

Repair Difficulty:
Easy
Repair Time:
Less than 30 mins
Andy was the only good thing about this company 😮 My order was received and processed on July 15/21, and only received partial order, it is not September 9/21, still have not heard from anyone whether when the rest of my order will be shipped or arriving ☹️ Definitely very disappointing to say the least 😧
by Willie