Mounting Nut Mercruiser Alpha One / Alpha One Gen II / Bravo 11-817618 11-859135

Mounting Nut for Mercruiser

This mounting nut for Mercruiser Alpha One, Alpha One Gen II, and Bravo outdrives secures the lower gear casing to the stern drive. It is a direct replacement for OEM part numbers 11-817618 and 11-859135, ensuring a precise fit for your Mercruiser outdrive.

Overview

This mounting nut is an essential fastener for Mercruiser outdrives, holding the lower gear casing securely to prevent leaks and maintain gear alignment. Compatible with Alpha One, Alpha One Gen II, and Bravo models, this Mercruiser mounting nut is built to withstand harsh marine conditions. It is a must-have for any Mercruiser owner seeking reliable performance.

Built For Performance

• Precision-engineered to meet OEM specifications for Mercruiser outdrives
• Corrosion-resistant coating for long-lasting durability in saltwater
• Threads match factory specifications for a secure, vibration-resistant fit
• Replaces OEM parts 11-817618 and 11-859135

Fits These Machines

• for Mercruiser Alpha One
• for Mercruiser Alpha One Gen II
• for Mercruiser Bravo

On-The-Job Use

• Used during outdrive lower unit servicing and gear case replacement
• Ideal for marine mechanics and boaters performing DIY maintenance
• Helps ensure a watertight seal on the lower gear casing

Specs At A Glance

Good To Know

Q: What is the function of this mounting nut? A: It secures the lower gear casing to the outdrive, ensuring proper alignment and preventing oil leaks. It is a critical component for maintaining your Mercruiser outdrive.

Q: Can I use this nut on my Bravo III? A: This nut is listed for Bravo models, but always verify your serial number and outdrive model to ensure compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.