Quicksilver 816331 Motor Mount Adjustment Nut

The Quicksilver 816331 Motor Mount Adjustment Nut is a genuine OEM replacement component designed for MerCruiser sterndrive engine installations. This precision-engineered nut is used to adjust the height and alignment of engine mounts, ensuring proper engine-to-drive shaft alignment for optimal performance and reduced vibration.

Key Features:

• Genuine Quicksilver OEM part for guaranteed fit and quality
• Precision threads for smooth, accurate height adjustment
• Durable marine-grade construction resists corrosion in harsh saltwater and freshwater environments
• Critical component for proper engine alignment and coupler longevity
• Used on front and rear engine mounts of MerCruiser sterndrive installations

Proper engine alignment is essential for preventing premature wear on the drive coupler, U-joints, and gimbal bearing. This adjustment nut allows technicians to make precise vertical adjustments to the engine mounts, typically in half-turn increments, to achieve factory-specified alignment tolerances. Regular inspection and adjustment help maintain smooth operation and extend the life of sterndrive components.