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Remove and install the driveshaft bearing retainer nut (824519-1) on MerCruiser sterndrives and Mercury outboard gearcases. The Marine Tech Tools AMT0071 replaces Mercury driveshaft bearing retainer wrench 91-43506T and is made from nickel-plated steel for corrosion and wear resistance. Backed by the Marine Tech Tools lifetime warranty.
Reference part numbers: 91-43506T, 91-43506, 90240
Fits These Motors
- MerCruiser sterndrives and Mercury outboard gearcases that use retainer nut 824519-1
Fits These Parts
- Mercury driveshaft bearing retainer nut 824519-1
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