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It also interchanges with Sierra 18-3058 and Mallory 9-45280
3 x Drain Screw Gasket (90430-08020)
0kW 60Hz Up to 2004 034440 For pumps with irregular cover only 12
MB20C 875575
especially for engines made around transition years
Bellow Retainer Ring Installation Tool – Fits Mercury MerCruiser Alpha 1 Gen 2, Bravo, Blackhawk (Replaces 91-818162) 55hp It also interchanges with SierraProduct 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
