Mercury Mercruiser Bellow Ring Installation Tool 91-818162 18-9870

10 Reviews |
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Oni ToolsSKU: ONI226B
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Description

Enhance your marine maintenance toolkit with the Oni Tools Alpha 1 Gen 2 / Bravo / Blackhawk U-Joints Bellows Aluminum Ring Installer. Engineered as a superior replacement for Mercury / Mercruiser OEM Parts Number 91-818162 and Sierra 18-9870, this specialized tool streamlines the installation process with precision and reliability.

Features:

  • Seamless Replacement: Directly replaces Mercury / Mercruiser OEM Parts Number 91-818162 and Sierra 18-9870, ensuring compatibility and hassle-free installation.

  • Versatile Application: Designed to effortlessly install the aluminum ring into the Alpha 1 Generation 2, Bravo, and Blackhawk U-Joints Bellows, this tool offers versatility across multiple marine engine models.

  • Complementary Tool Compatibility: Works seamlessly with the ONI219B Outdrive Coupler Alignment Tool, enhancing efficiency and accuracy during installation procedures.

  • Gentle Installation: Unlike traditional aluminum installers, our specialty tool is engineered to prevent damage to your aluminum ring, ensuring longevity and reliability in every use.

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Customer Reviews
5.0 Based on 12 Reviews
5 ★
100% 
12
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Filter Reviews:
MC
04/09/2025
Matthew C.
United States

Impressive tool!

I was really impressed because it’s a specialized tool that makes installing the bellow rings easier and makes sure they’re sealed right to prevent leaks in the Mercruiser sterndrive system. Makes my task easy!

EE
03/20/2025
Emmett E.
United States

Top-notch quality!

This tool has made my job so much easier—it securely holds the bellows in place, prevents leaks, and guarantees a tight seal. Absolutely great!

OM
12/20/2024
Oscar M.
United States

High-quality product!

I’m really impressed with how it makes sure the rings are seated perfectly during bellow replacement, making the job easier and helping prevent leaks in the exhaust or drive system.

AT
05/10/2024
Azrael T.
United States

High-quality tool!

I'm delighted to have used such an exceptional tool because it offers versatility across various marine engine models. Truly impressive!

ZW
01/23/2024
Zakai W.
United States

Excellent item!

I used it to install the aluminum ring into the Alpha 1 Generation 2, Bravo, Blackhawk U-Joints Bellows. Really saves my time!

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