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Sierra 18-9831 Bearing Cup Driver for MerCruiser MC-I R-MR Alpha One

Manufacturer

Picture for manufacturer Sierra

Part Number

18-9831
11 reviews
Sale Price

$25.90

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-9831 Bearing Cup Driver is a precision marine service tool designed to properly install the forward gear bearing cup in the gear housing of MerCruiser stern drive units. Built to meet or exceed OEM specifications, this tool is an essential part of any professional or DIY marine technician's toolkit when servicing MerCruiser drive systems.

Key Features:

  • Installs the forward gear bearing cup into the gear housing with proper alignment and force
  • Compatible with MC-I, R-MR, and Alpha One stern drive units
  • Direct replacement for Mercury Marine OEM tool numbers 91-36577 and 91-36577T
  • Manufactured by Sierra to meet or exceed Mercury Marine's recommended specifications
  • Designed for precise, damage-free bearing cup installation

The Sierra 18-9831 is a direct aftermarket equivalent to Mercury Marine part numbers 91-36577 and 91-36577T, offering the same professional-grade performance at a competitive price point. It is an ideal tool for technicians performing gear housing rebuilds or bearing replacement on compatible MerCruiser drive units.

good experience

f

Excellent service

Easy

Easy

Was easy to find my original remplacement part and cheap

It was ease and simple.

It was fast and easy. I would definitely do business with again.

Best pricing I found anywhere on the part I needed, quick shipping, no hassle. Definitely going to be a repeat customer.

Great prices. Was a little hard to find bulbs for low beams, because it was not really descriptive.

I ordered this product and Wednesday in the morning and it was on my door step Thursday morning with regular shipping. The ordering process was super easy and the price was $35 cheaper than any other online retailer. The Rack is awesome, easy to assemble took me about 20 minutes by myself, put on my jeep hooked up the bikes and off I went, fantastic design, I highly recommend the Rola NV2 bike rack and highly recommend Autoplicity

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