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18-9817 91-31107T Shift Shaft Bushing Tool for Mercury Mercruiser Alpha 1 Gen I

18-9817 91-31107T Shift Shaft Bushing Tool for Mercury Mercruiser Alpha 1 Gen I

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Shift Shaft Bushing Tool for Mercury Mercruiser Alpha 1 Gen I

This shift shaft bushing tool for Mercury Mercruiser Alpha 1 Gen I is a precision service tool designed to extract and install the shift shaft bushing, matching OEM cross-reference numbers 18-9817 and 91-31107T.

Overview

The shift shaft bushing tool is an essential accessory for servicing the shift shaft on Alpha 1 Gen I outdrives. This tool ensures precise installation without damaging the bushing, making it a must-have for marine mechanics and DIY enthusiasts. Whether you are rebuilding a lower unit or replacing worn bushings, this shift shaft bushing tool simplifies the job.

Built For Performance

  • Precision-machined steel construction for consistent fit
  • Hardened tips resist wear and deformation
  • Tapered pilot for accurate alignment during installation
  • Compatible with standard wrenches and sockets
  • Corrosion-resistant coating for marine environments

Fits These Machines

  • for Mercury Mercruiser Alpha 1 Gen I

On-The-Job Use

  • For removing worn shift shaft bushings during outdrive rebuilds
  • For installing new bushings without damaging the housing
  • Used in workshops and by mobile marine technicians

Specs At A Glance

Part Number(s) 18-9817, 91-31107T

Good To Know

Q: Will this tool work on other Alpha One models? A: It is designed specifically for Alpha 1 Gen I, so confirm your outdrive model before ordering.

Q: How do I use the bushing tool? A: Place the tool over the bushing, then turn with a wrench to ease the bushing out without scoring the bore.

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

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