Mercury Lower Unit SE221 Replacement for 3.0L V6, 2.6L I6, and 1.7L I4 Outboard Engines

Description

The Mercury Lower Unit is designed to replace some 3.0L V6, 2.6L I6, and 1.7L I4 engines with precision and reliability. This lower unit features a standard gearcase configuration known as the SE221, which includes a 15-spline prop shaft for optimal performance in various marine applications.

Specifically engineered for compatibility with multiple engine types, this product ensures smooth operation and durability on the water. The Mercury Lower Unit serves as an ideal replacement part that enhances your outboard’s efficiency while maintaining high-quality standards.

Features & Specifications

• Compatible with:
  • 3.0 Liter ? V6 ? Two Stroke (13 spline drive shaft)
  • 2.6 Liter ? Inline 6 Cylinder ? Four Stroke (20 spline drive shaft)
  • 1.7 Liter ? Inline 4 Cylinder ? Four Stroke (20 spline drive shaft)
• Standard gearcase type: SE221
• Spline count:
  • 15 splines for V6 models
  • 20 splines for I6 and I4 models

  
  < li > Designed to fit various horsepower ranges from 135 HP up to over 300 HP

• No installation kit or anode kit included
• Avoids use on Torque Master, Sport Master or larger Verado models
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  Quick Overview

  	Engine Compatibility	3.0L V6, 2.6L I6, and 1.7L I4
  Gearcase Type	SE221
  Spline Count	15/20 Spline Options
  Horsepower Range	135 – Over 300 HP
  Add-ons Included	No Installation Kit/Anode Kit

  This Mercury Lower Unit provides exceptional quality and performance that boaters can trust when replacing their outboard parts.
  With its reliable construction tailored specifically for select engine types, it?s an excellent investment for maintaining your vessel’s functionality on the water.
  Order now to ensure you have top-notch components that keep your boating experience seamless!

  Brand Name: SEI Marine
  OEM Part Number: SE221 (REPLACES SOME 3.0L V6, 2.6L I6 AND 1.7L I4)
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