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MerCruiser Alpha One - GEN II Outdrive - Ratio 1.62:1

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MerCruiser Alpha One - GEN II Outdrive - Ratio 1.62:1

Product Details

Item Number: 5-5121300TP

$2,445.00 plus shipping

Michigan Motorz has the New MerCruiser Alpha One - GEN II outdrive in stock, in all gear ratios. This Alpha One - GEN II sterndrive earned the title of “world’s most popular sterndrive” because it delivers reliable performance in a value package. Reliable performance means more family fun year after year without missing a beat. Alpha drives slice through the water with an efficient hydrodynamic profile producing very little drag. And because of the Alpha drive’s many maintenance-free features – you’ll enjoy a worry-free ownership experience.

GEAR RATIO - 1.62:1

The Alpha One - GEN II outdrive replaces Generation II (1991-current) outdrives.

Part #5-5121200TP (1.47:1 gear ratio)
Part #5-5121300TP (1.62:1 gear ratio)
Part #5-5121400TP (1.81:1 gear ratio)

Part #5-5121600TP (2.00:1 gear ratio)

Part #5-5121700TP (2.40:1 gear ratio)


  • Spiral-cut steel bevel gears for quiet operation and durability
  • XK 360 low copper alloy for corrosion resistance
  • Tri-Paint System (Irridite, EDP & Powder Paint) creates a tough, durable corrosion resistant barrier
  • Armored trim lines protect hydraulic system from debris
  • Flow-Torq II Propeller Hub The Weekend Saver protects the entire drive from damage, not just the lower unit


  • Hydrodynamic lower unit produces little drag to slice through the water efficiently
  • Trim limit switch sets drive angle for maximum performance every time
  • Through-Prop exhaust maximizes power and reduces noise levels
  • Wide range of 3-, 4-, and 5-blade propellers available in aluminum and stainless steel to maximize pulling power and top speed for any application


  • Drive Lube Monitor Alarm warns if drive lube is low. Engine mounting allows easy inspection and fill without the cost to pull a boat from the water.
  • Permalube® U-Joint Virtually no maintenance required
  • Maintenance Free Hinge Pins No added cost to pull a boat from the water
  • Greaseable Drive Coupler No added cost to pull a boat from the water
  • Greaseable Gimbal Bearing Do not need to remove the drive for service


  • Power Trim XD® Automatically Returns the Drive to the Water to Maintain Full Control of Boat in Case of an Emergency
  • MerCathode® kit monitors the galvanic potential of the drive and counteracts corrosion with a metered electrical charge providing continuous cathodic protection
  • Engine Guardian System® with MPI engines protects the drive from damage from low lubricant levels
  • 1-Year MerCruiser Factory Warranty included
  • Reverse rotation is no longer available on this Alpha One - Gen II outdrive.
    Shipping DIMS (Int.): 33" x 27" x 38" - 200 lbs.

Call Michigan Motorz now at (248) 524-9600 for more information, to place your order, or to get a shipping quote for the MerCruiser Alpha One - GEN II Outdrive. 

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