For MerCruiser Alpha One Gen ll Lower Gear casing mounting nut 11-817618 859135

Mounting Nut for MerCruiser Alpha One Gen II

This mounting nut for MerCruiser Alpha One Gen II secures the lower gear casing to the outdrive, ensuring a tight and reliable seal. It is an essential replacement part for maintaining your MerCruiser Alpha One Gen II stern drive. OEM cross-reference numbers 11-817618 and 859135 are included for easy identification.

Overview

This mounting nut is a critical fastener for the lower gear casing on MerCruiser Alpha One Gen II outdrives. It fits precisely to hold the casing in place, preventing leaks and maintaining gear alignment. Designed for marine environments, this nut for MerCruiser Alpha One Gen II offers dependable performance for boat owners and mechanics.

Built For Performance

• Precision-threaded for a secure fit on MerCruiser Alpha One Gen II lower gear casings
• Corrosion-resistant construction suitable for saltwater and freshwater use
• Meets OEM specifications for reliable torque retention
• Direct replacement for part numbers 11-817618 and 859135

Fits These Machines

• for MerCruiser Alpha One Gen II

On-The-Job Use

• Used during lower unit maintenance and gear case replacement
• Ideal for marine repair shops and DIY boat owners
• Ensures proper sealing of the gear casing to prevent water ingress

Specs At A Glance

Good To Know

Q: What is this nut used for? A: It secures the lower gear casing to the outdrive assembly on MerCruiser Alpha One Gen II stern drives. It helps maintain proper gear alignment and prevents lubricant leaks.

Q: Is this nut specific to a certain model? A: It is designed for MerCruiser Alpha One Gen II, but it may also be compatible with other MerCruiser models; always verify fitment with your serial number.

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