SEI Marine

Mercruiser Alpha One Gen 1 Complete 1.47 / 1.50 Replacement


Mercruiser Alpha One Gen 1 Complete Sterndrive / Inboard Outdrive 1.47 Ratio

Replaces Mercruiser 1.50 / 1.47 Ratio

Ships in 2 halves (upper and lower) UPS Ground

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Replaces most Mercruiser Sterndrives from 1974-1990.
Ships in two boxes. Comes with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit. Please see related items below.
Up to 300 HP (SEI does not warranty applications over 300 HP)
Replaces Mercruiser Sterndrive 225-S 1974
Replaces Mercruiser Sterndrive 233 1975-1977
Replaces Mercruiser Sterndrive 250 1977
Replaces Mercruiser Sterndrive 260 1978-1982
Replaces Mercruiser Sterndrive 898/228 1977-1982
Replaces Mercruiser Sterndrive R/MR/Alpha One 1983-1990
Typical Mercruiser Sterndrive engine liter applications from 1983-1990 include 5.7L, 5.0L (4 barrel carb)
Typical Mercruiser Sterndrive engine cubic inch applications from 1983-1990 include 350, 305 (4 barrel carb)
Typical Mercruiser Sterndrive engine horsepower applications include 260, 230, 228

Current stock: 0

3 Year fault free warranty
Typically ships in 24 hours
$0.00 (Fixed Shipping Cost)

18 Reviews

24th Sep 2015

Installed perfectly

Replaced the sterndrive on my 1982 Wellcraft Offshore 240. The installation went smoothly with the use of the Youtube videos. Shipped right away and seems to be working perfectly.

30th Jun 2015

On the water again Happy 4th ahead

Talked with owner when ordered,seemed very precise and up front on everything I needed and shipped it when he said.Arrived on time in great condition.Putting on water tomorrow for the test.Great expectations and hopefully a wonderful vacation on the water over the 4th.Let the good times roll and thanks for the great service. Beach_Chaser

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