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90-104-01B - SE106, UPPER 1.81 w/ SHORT YOKE (Replaces Mercruiser Alpha One)

SEI Marine 90-104-01B - SE106, UPPER 1.81 w/ SHORT YOKE (Replaces Mercruiser Alpha One)SEI Marine 90-104-01B - SE106, UPPER 1.81 w/ SHORT YOKE (Replaces Mercruiser Alpha One)

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$965.00

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SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
90-104-01B

Manufacturer
SEI Marine

See Recommended Installation Components below.

NOTE: Unit has a short yoke on the upper driveshaft for inline 4 and inline 6 cylinder engines up to and including 1982. See photos for information on how to measure your existing yoke prior to ordering.

90-104-01B - SE106, UPPER 1.81 w/ SHORT YOKE

Replaces MerCruisers® R/MR/Alpha One® I/O

1.81 to 1 Ration with Short Yoke.

See tech info link for application information.

Technical information (PDF)
Warranty (PDF)
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SEI Marine 90-104-01b - Se106, Upper 1.81 W/ Short Yoke (replaces Mercruiser Alpha One) is equivalent to parts:

  • 9412A22 Mercury Marine
  • 1547  9412A22 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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