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MerCruiser Spanner Nut & Bearing Carrier Retainer Wrench (AMT0057)

Genuine Part # : 91-17256, 91-36235, 9-79801, 90100

In Stock
  • Free Shipping


  • 1 YEAR


  • ISO 9001 Certified
    ISO 9001


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This tool is used for the easy installation and removal of drive shaft bearing retainers.

Replaces genuine tool #: 91-17256, 91-36235, 9-79801, 90100.

This tool suits the following: MerCruiser MC-1, Alpha One, Alpha One Gen II, Blackhawk and Bravo sterndrives.

Made of professional quality polished stainless steel. Lifetime warranty on body. Designed and assembled in the USA.


About The Brand

Marine Tech Tools specialise in high quality specialty workshop tools for marine mechanics and boat owners alike. Based in Charleston, South Carolina USA their engineering attention to detail is second to none.

  • Standard Shipping is free on all orders. Oils & Lubricant products can only be sent via Standard Shipping.
  • Express Shipping is $10 flat rate.
  • Pick up is available from our warehouse at 1/84 Brunel Road, Seaford VIC 3198 between the hours of 8:30am to 3:30pm weekdays. You will be notified by email when your order is ready for pick up.

Delivery Time

Orders are dispatched same business day if ordered before 3:00pm AEDT. All orders are dispatched from Melbourne, Victoria and are sent via Australia Post.

For delivery time estimates with Australia Post please use their delivery calculator here:

If you have any questions relating to shipping, please contact us by emailing

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