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Sterndrive Engineering (MW)
90-205-B20D

SEI Mercury Outboard DFI Alpha Repl Lower Unit 2.31:1 20" - MW

SKU S-E-90-205-B20D MPN 90-205-B20D UPC 489394319405 MFR Sterndrive Engineering (MW)

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
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SEI Mercury Outboard DFI Alpha Repl Lower Unit 2.31:1 20"

Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling.

The SEI 205 is designed for use with DFI Mercury engines between 70-115 HP from 1987 to present.

Specifications:

  • OE Part#: 45-888933A1
  • Spline Count: 13
  • OD of Spline: .873"
  • Length of Spline: 1.635"
  • D/S Measurement: 23"
  • Gear Ratio: 2.31:1, 2.33:1
  • Gear Teeth Count: 13-30/ 12-28

Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!

**Year, Serial Number, and Horsepower are required to order. Please contact us with this information after you place your order otherwise processing will be delay

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

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LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.