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