Stop overpaying for obsolete original equipment and restore smooth, efficient shifting to your sterndrive with this Premium Aftermarket Replacement for OMC Cobra lower units. Built with Heavy-Duty marine-grade materials, this unit is engineered to meet or exceed OEM specifications, ensuring reliable power transfer and minimizing downtime on the water.

  • Cruising & Watersports: Delivers consistent, efficient thrust for recreational boating.

  • Twin-Engine Setups: Perfectly engineered for vessels requiring a dedicated counter-rotation drive.

  • Brand: SEI
  • Part Number: SE117
  • Cross-Reference/OEM: Premium Aftermarket Replacement for OMC Cobra 117
  • Engine Compatibility: OMC Sterndrive
  • Year Range: 1986–1993
  • Physical Specs: Counter Rotation
  • Fits sterndrive boats manufactured between 1986 and 1993.
  • Designed exclusively as a Premium Aftermarket Replacement for OMC Cobra lower units.
  • Strictly for Counter Rotation setups; do not install on standard rotation drives.
  • Always verify your exact Shaft Length and Tooth/Spline Count prior to ordering to prevent incorrect fitment.

Mariners Warehouse vs Others

Built to match OEM standards while delivering reliable performance and peace of mind.

Features

Mariners Warehouse

Others

Performance ✔️
Warranty Support Reliable warranty Limited or unclear warranty terms
Customer Trust Trusted by thousands of marine customers Unverified buyer trust
Pre-tested before shipping for reliability ✔️
OEM performance standards ✔️
Simple return process ✔️

Related Products

Recently Viewed Products