GH Marine  |  SKU: 21B1001

U-Joint Bellows Sleeve Installation Tool for MerCruiser Alpha, Bravo — 91-818162

Regular price $20.50


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GH MARINE / BELLOWS & RELATED PARTS

About this part

U-joint bellows sleeve installation tool referenced to Mercury / Quicksilver 91-818162 for installing the aluminum retaining sleeve into the U-joint bellows on MerCruiser Alpha, Bravo, and Blackhawk sterndrives.

This product is the installation service tool only, not the aluminum sleeve itself, a sleeve removal tool, or a bellows repair kit.

Match the application

Used during U-joint bellows service on the following MerCruiser sterndrive families when the aluminum retaining sleeve needs to be installed. Confirm your drive model and bellows sleeve design before ordering.

  • MerCruiser · Alpha Drives

    Installs the aluminum retaining sleeve into the U-joint bellows.

    Application match

  • MerCruiser · Bravo Drives

    Installs the aluminum retaining sleeve into the U-joint bellows.

    Application match

  • MerCruiser · Blackhawk Drives

    Installs the aluminum retaining sleeve into the U-joint bellows.

    Application match

Numbers to compare

Mercury / Mariner / Quicksilver 91-818162, 818162, 91818162
Sierra Marine 18-9870
GLM 90470
Mallory 9-79821, 79821
Recmar REC91-818162
Other reference number BRSIT-D23
Do not confuse a sleeve installation tool with a sleeve removal tool. Sierra 18-9870 is the installation tool reference; Sierra 18-9871 is a separate removal tool and is not a replacement number for this product.

Technical details

Product type U-joint bellows sleeve installation tool
Brand GH Marine
Service function Installs the aluminum retaining sleeve into the U-joint bellows
Target drive families MerCruiser Alpha, Bravo, and Blackhawk sterndrives

Supplied contents

  • U-joint bellows sleeve installation tool

Workshop sequence

General workshop guidance only; use the service procedure for your exact drive or engine configuration.

  1. Verify that your U-joint bellows and aluminum retaining sleeve match the tool interface before starting the installation stage.
  2. Support the transom assembly properly and position the U-joint bellows and aluminum retaining sleeve according to the MerCruiser service manual for your specific drive.
  3. Use the installation tool to seat the aluminum retaining sleeve into the U-joint bellows, then remove the tool and inspect the seated sleeve and bellows seating surface.

About GH Marine

GH Marine focuses on bellows and related marine service parts. Compare the application details, reference numbers and supplied contents together to select the part for your repair.

Delivery information

Estimated delivery: 7–15 calendar days.

Help with your order

For application questions, have your drive or engine identification and required part number ready.

Contact GH Marine / fitment help · Returns policy

Payment & Security

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