SEI, SE106, Replacement Sterndrive, 1.81


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SEI, SE106, Replacement Sterndrive, 1.81
SKU: 156341
Mfg# 90-106-01B / 90-106-02
UNIT: Each
Type: Complete Upper and LowerRatio: 1.81
Ships from Manufacturer (Typically Ships Out in 1-2 Business Days)


  • Replaces most Mercruiser Sterndrives 165-205 HP and up from 1976-1990.
  • Typically used on V6 engines and the large 3.7L Mercruiser inline 4 cylinder engine.
  • 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 470 1983-1989
  • Replaces Mercruiser Sterndrive 485 1983-1989
  • Replaces Mercruiser Sterndrive 4.3L V6 262 C.I. 1983-1990
  • Replaces Mercruiser Sterndrive 3.8L V6 229 C.I. 1983-1984
  • Replaces Mercruiser Sterndrive R/MR/Alpha One 1983-1990
  • Typical Mercruiser Sterndrive engine liter applications from 1983-1990 include 3.7L inline 4, 4.3L V6
  • Typical Mercruiser Sterndrive engine cubic inch applications from 1983-1990 include 224, 262 CI
  • Typical Mercruiser Sterndrive engine horsepower applications include 165,170, 175, 180, 185,190 and 205
  • Includes Upper and Lower assembly

Drive Identification

Counter Rotation Identification



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Sterndrive Engineering / API Warranty


  • Restocking charge will apply at a minimum of 10% for all product returned.
  • All Returns must be returned within 30 days of receipt of the items.
  • Returns allowed for uninstalled unused product only
  • Some products are non-returnable, please contact us for further details.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine for Manufacture Defects, Returns and help with Warranties.