Torpedo Ring Installer for Mercury – Replaces 91-8M0039309

Install the torpedo ring on a Mercury 5.44-inch gear housing squarely, without damaging the ring or the case. The Marine Tech Tools AMT0171 is a direct replacement for Mercury torpedo ring installer 91-8M0039309, made from nickel-plated steel for corrosion and wear resistance. Backed by the Marine Tech Tools lifetime warranty.

Reference part numbers: 91-8M0039309, 8M0039309

Fits These Motors

• Mercury outboards with the 5.44-inch gear housing, including Verado 350hp