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90-228-A25 - SE228 Lower Unit Mercury 3.0L V6 2-stroke, 1.75:1, 25 inch, Counter Rotation

SEI Marine 90-228-A25 - SE228 Lower Unit Mercury 3.0L V6 2-stroke, 1.75:1, 25 inch, Counter RotationSEI Marine 90-228-A25 - SE228 Lower Unit Mercury 3.0L V6 2-stroke, 1.75:1, 25 inch, Counter Rotation

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$1,865.00

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Part Number
90-228-A25

Manufacturer
SEI Marine

90-228-A25 - SE228 Lower Unit Mercury 3.0L V6 2-stroke, 1.75:1, 25 inch, Counter Rotation

3.0 Liter – V6 – 2-Stroke Standard or Fleet Master Gearcase with 13 spline drive shaft and 15 spline prop shaft

NOTE: You must confirm that your original gearcase has a 15 spline PROP Shaft.

SE228 does not replace some of the optional gearcases that were available including Torque Master, Torque Master 2 and the Sport Master. These units all have the “Fat Shaft” prop shaft with 19 splines.

The SE228 units are “Verado Style” gearcases. The SE228 is considered the Standard  gearcase and may also be referred to as Fleet Master. Around 2006, these engines changed from using  SE218 units to SE228 units. This changed occurred at serial number 1B504989.

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SEI Marine 90-228-a25 - Se228 Lower Unit Mercury 3.0l V6 2-stroke, 1.75:1, 25 Inch, Counter Rotation is equivalent to parts:

  • 880686A52 Mercury Marine
  • 1600880686A52 Mercury Marine
SEI Gearcases & Complete Outdrives
SEI Complete Trim & Tilt Units
SEI is the largest manufacturer of aftermarket sterndrives and outboard lower units in the world. Every SEI complete gearcase and outdrive carries a 3-Year No-Fault Warranty. SEI also manufactures complete tilt and trim uints as well as shafting and other individual parts. Their subsidiary company API Marine manfuactures a quality line of aftermarket outboard starter and trim motors.

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