Cobra Marine Bellow Retainer Ring Install Tool - Replaces Mercruiser 91-818162

Working on a Mercruiser Alpha or Bravo stern drive?

If you're replacing the bellows, you know that getting that big retainer ring seated right can be a total pain.

This tool from Cobra Marine makes it a whole lot easier.

It's a brand new bellow retainer ring installation tool, designed specifically for the job.

It replaces the factory Mercruiser tool part number 91-818162 and is also known as Sierra part number 18-9870.

This tool helps you stretch and seat that large retaining ring perfectly, ensuring a watertight seal for your bellows.

Made by Cobra Marine, it comes with a 1-year warranty.

A must-have for any DIY boat mechanic doing bellows work.