Mercruiser GKN U-Joint | Sierra 18-6406

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Mercruiser GKN U-Joint | Sierra 18-6406

Replacement U-joint with external style clips for various Mercruiser Alpha I Gen II & Bravo stern drives.

  • Sierra replacement U-joint
  • GKN new style with external retaining clips
  • Fits Mercruiser Alpha I Gen II model stern drives from serial number 0L949779 and up and Mercrusier Bravo model stern drives from serial number 0M111208 and up
  • For Mercruiser Vazer
  • Replaces Mercruiser 865496A01, 865493A01, 865496A02

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