Bellow Retainer Ring Installation Tool – Fits Mercury MerCruiser Alpha 1 Gen 2, Bravo, Blackhawk (Replaces 91-818162) 55hp or water intrusion that causes

or water intrusion that causes milky

and carburetor base connections as detailed in the "What's in the Box" section

especially for engines made around transition years

It also interchanges with Sierra 18-3058 and Mallory 9-45280

3857532) and visually comparing your old part to our product images

Bellow Retainer Ring Installation Tool – Fits Mercury MerCruiser Alpha 1 Gen 2, Bravo, Blackhawk (Replaces 91-818162) 55hp or water intrusion that causesProduct Details This specialized Bellow Retainer Ring Installation Tool is designed for installing the aluminum retainer ring inside the U joint bellows on Mercury MerCruiser Alpha One Generation 2, Bravo, and Blackhawk sterndrives (1988Present). It serves as a direct replacement for multiple part numbers, including Mercury Marine 91 818162, Sierra 18 9870, and Mallory 9 79821. Specialized tool for installing the aluminum retainer ring into U joint