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90-306-B - SE306 Lower Unit Johnson Evinrude V-6, 1.83 to 1

SEI Marine 90-306-B - SE306 Lower Unit Johnson Evinrude V-6, 1.83 to 1SEI Marine 90-306-B - SE306 Lower Unit Johnson Evinrude V-6, 1.83 to 1

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$1,195.00

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30-DAY RETURN
FULL WARRANTY

Part Number
90-306-B

Manufacturer
SEI Marine

Replaces OEM 5005401.

See Recommended Installation Components below.

90-306-B - SE306 Lower Unit Johnson Evinrude V-6, 1.83 to 1

SE 306 Replaces Johnson / Evinrude V6 w/ 1.83:1 Standard Ratio. High Altitude Ratio not available.

  • Part Number : 90-306-B
  • Engine Type : Johnson Evinrude V6
  • Gear Ratio : 1.86:1 / 1.83:1
  • Prop Rotation : RH
  • Bullet Diameter : 4 3/4”

 SPECIAL NOTES

  • YEARS: Fits 1979 and newer models only.
  • THRUST BUSHING/WASHER: When used on 1979 through 1990 models a new Thrust Bushing (behind the prop) is required. Order 0126870 – 3 Blade Prop Thrust Bushing or 0128777 – 4 Blade Prop Thrust Bushing accordingly.
  • DRIVE SHAFT: Uses the newer style two piece driveshaft system with a lower stubshaft and clip-in upper driveshaft. If your existing unit has a one piece driveshaft shaft, or if you have a two piece driveshaft without the clip together system, you will need to purchase a new upper driveshaft. Contact us with your Model Number for assistance.
  • Uses the Ocean Pro style water intakes.
  • Will not replace Magnum or Lightning cases.
  • Does not include a Water Pump or shift shaft.

See Tech Info link for installation instructions.

Technical information (PDF)
Warranty (PDF)
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SEI Marine 90-306-b - Se306 Lower Unit Johnson Evinrude V-6, 1.83 To 1 is equivalent to parts:

  • 5009308 Evinrude Johnson OMC BRP
  • 5005401 Evinrude Johnson OMC BRP
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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