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New SEI / Mercruiser 1972-1990 4-CYL/V6/V8 R/MR/ & Alpha 1 Complete Sterndrive Assembly

$1,705.00
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Shipping:
$40.00 (Fixed Shipping Cost)

Replaces most Mercruiser Sterndrives 228 HP and up from 1974-1990. 3 Year fault free warranty carried by manufacturer (click HERE for details). Comes with a 9-9/16 new style input yoke. If your Mercruiser Sterndrive is between 1967-1969 you must verify that you have 13 splines on your upper driveshaft.

Does not include Complete Install Kit or Anode Kit. You can re-use your old install kit (bolts to connect the upper and lower). Or a new kit is $55.00. A new anode kit is $37.00 Up to 300 HP.

No warranty on applications over 300 HP.

Replaces:

  • Mercruiser Sterndrive 225-S 1974
  • Mercruiser Sterndrive 233 1975-1977
  • Mercruiser Sterndrive 250 1977
  • Mercruiser Sterndrive 260 1978-1982
  • Mercruiser Sterndrive 898/228 1977-1982 R
  • 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.

Available in all gear ratios:

  • 1.47 / 5.7L V8 20:22 Tooth Count
  • 1.62 / 5.0L V8 24:24 Tooth Count
  • 1.81 / 4.3L V6 17:19 Tooth Count
  • 1.94 / 3.0L 4 CYL 20:24 Tooth Count

Please specify which size engine you have when you are placing an order.

SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping.)

For any questions, please email us at customerservice@marinepartswarehouse.com. Please provide your sterndrive model and serial numbers to help confirm compatibility.