Complete Outdrives, Uppers and Lowers - SEI Mercury Replacement Outdrives, Uppers and Lowers

SE 206, 1.87:1, 20" Driveshaft

SE 206, 1.87:1, 25" Driveshaft

SE 206, 2:1, 20" Driveshaft

SE 206, 2:1, 25" Driveshaft

Replaces most Mercruiser Sterndrives 160/165 HP from 1967-1977.
Comes with a 8-1/8 old style input yoke.
Does not include Complete Install Kit or Anode Kit.
Up to 300 HP (SEI does not warranty applications over 300 HP)
Replaces Mercruiser Sterndrive 160 1967-1969 with trim and tilt.
Replaces Mercruiser Sterndrive 165 1970-1977 with trim and tilt.

SE104 1.62 Complete - Short Yoke C.R. (Replaces Mercruiser Alpha One)
Counter Rotation only. Do not use for Standard Rotation.
Comes with a 8-1/8 input yoke.
Does not include Complete Install Kit or Anode Kit.
This drive is generally used on older inline 6 and 4 cylinder engines.

Replaces most Mercruiser Sterndrives 170/185 HP from 1976-1982.
Comes with a 8-1/8 old style input yoke.
Does not include Complete Install Kit or Anode Kit.
Up to 300 HP (SEI does not warranty applications over 300 HP)
Replaces Mercruiser Sterndrive 470 1976-1982
Replaces Mercruiser Sterndrive 485 1980-1982

SE104 1.81 Complete - Short Yoke C.R. (Replaces Mercruiser Alpha One)
Counter Rotation only. Do not use for Standard Rotation.
Comes with a 8-1/8 input yoke.
Does not include Complete Install Kit or Anode Kit.
This drive is generally used on older inline 6 and 4 cylinder engines.

Replaces most Mercruiser Sterndrives 120/140 HP from 1967-1982.
Comes with a 8-1/8 old style input yoke.
Does not include Complete Install Kit or Anode Kit.
Up to 300 HP (SEI does not warranty applications over 300 HP)
Replaces Mercruiser Sterndrive 120 1967-1969 with trim and tilt.
Replaces Mercruiser Sterndrive 140 1967-1969 with trim and tilt.
Replaces Mercruiser Sterndrive 120 1970-1982 with trim and tilt.
Replaces Mercruiser Sterndrive 140 1970-1982 with trim and tilt

SE104 1.94 Complete - Short Yoke C.R. (Replaces Mercruiser Alpha One)
Counter Rotation only. Do not use for Standard Rotation.
Comes with a 8-1/8 input yoke.
Does not include Complete Install Kit or Anode Kit.
This drive is generally used on older inline 6 and 4 cylinder engines.

Replaces most Mercruiser Sterndrives 228 HP and up from 1974-1990.
with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit.
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

Replaces most Mercruiser Sterndrives 205 HP from 1983-1990.
Comes with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit.
Up to 300 HP (SEI does not warranty applications over 300 HP)
Replaces Mercruiser Sterndrive R/MR/Alpha One 1983-1990
Typical Mercruiser Sterndrive engine liter applications from 1983-1990 include 5.0L (2 barrel carb)
Typical Mercruiser Sterndrive engine cubic inch applications from 1983-1990 include 305 (2 barrel carb)
Typical Mercruiser Sterndrive engine horsepower applications include 205 HP

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.
Comes with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit.
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

Comes with a 9-9/16 new style input yoke.
Does not include Complete Install Kit or Anode Kit.

Replaces R, MR, Alpha One lowers from 1972-1990
Has 13 Spline Driveshaft
The tooth count is 13-21
Up to 300 HP

The 1.47 ratio also replaces the 1.5 ratio

The 1.62 ratio also replaces the 1.65 ratio

The 1.62 ratio also replaces the 1.65 ratio

The 1.81 ratio also replaces the 1.84 ratio

The 1.81 ratio also replaces the 1.84 ratio

Comes with a 8-1/8 input yoke.
This drive is generally used on older inline 6 and 4 cylinder engines.