Mercruiser Replacement - Alpha One Gen 1 Complete 1.81 (1972-1990)

Replacement Mercruiser Sterndrive – 165–205 HP (1976–1990)

This brand new aftermarket replacement sterndrive is engineered to replace most MerCruiser sterndrives rated 165–205 HP from 1976–1990. Commonly used on V6 engines and the large 3.7L inline 4-cylinder MerCruiser, this unit is designed to OEM specifications for long-lasting performance. Rated up to 300 HP (note: SEI does not warranty applications over 300 HP).

• Direct replacement for MerCruiser sterndrives (1976–1990)
• Typically used on V6 engines and 3.7L inline 4-cylinder engines
• Ships in two boxes – includes 9-9/16" new style input yoke
• Does not include Complete Install Kit or Anode Kit (sold separately)
• Brand new aftermarket drive – not remanufactured
• Rated up to 300 HP

Replaces OEM Models

• MerCruiser Sterndrive 470 (1983–1989)
• MerCruiser Sterndrive 485 (1983–1989)
• MerCruiser Sterndrive 4.3L V6 262 CI (1983–1990)
• MerCruiser Sterndrive 3.8L V6 229 CI (1983–1984)
• MerCruiser Sterndrive R / MR / Alpha One (1983–1990)

Typical Engine Applications (1983–1990)

• 3.7L inline 4
• 4.3L V6
• 224 CI, 262 CI
• 165, 170, 175, 180, 185, 190, 205 HP