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90-206-A20 - SE206 Lower Unit Mercury 2.0, 2.4, 2.5L, 1.87 to 1, 20 Inch

SEI Marine 90-206-A20 - SE206 Lower Unit Mercury 2.0, 2.4, 2.5L, 1.87 to 1, 20 InchSEI Marine 90-206-A20 - SE206 Lower Unit Mercury 2.0, 2.4, 2.5L, 1.87 to 1, 20 Inch

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$1,095.00

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Part Number
90-206-A20

Manufacturer
SEI Marine

See Recommended Installation Components below.

90-206-A20 - SE206 Lower Unit Mercury 2.0, 2.4, 2.5L, 1.87 to 1, 20 Inch

The SE 206 gear case replaces most Mercury 2.0, 2.4 and 2.5 liter gear cases with 4-3/4 Bullet Diameter.

  • Part Number : 90-206-A20
  • Gear Ratio : 1.87:1
  • Gear Count : 15/28
  • Shaft Length : 20"
  • Bullet Diameter : 4-3/4"

Most SEI gear cases use "water intake screens".

Use your existing screens or check your engine drawings by serial number or model code for the correct replacements.

Replaces OE#: 9148A69

IMPORTANT NOTE: See additional image above for driveshaft length measurement procedure.

Technical information (PDF)
Warranty (PDF)
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SEI Marine 90-206-a20 - Se206 Lower Unit Mercury 2.0, 2.4, 2.5l, 1.87 To 1, 20 Inch is equivalent to parts:

  • 9148T84 Mercury Marine
  • 1647  9148T84 Mercury Marine
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.

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