U-Joint Bearing Retainer Wrench for MerCruiser Alpha, Bravo & Blackhawk

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About this product

Remove and install the U-joint bearing retainer nut on compatible MerCruiser sterndrives with this dedicated workshop wrench. It engages the retainer in the upper driveshaft housing, providing the purchase needed during dismantling and reassembly. Useful for upper-unit repairs involving the input shaft, bearings and seals, the wrench also supports tightening the retainer according to the manufacturer’s service procedure. Product details Type: U-joint bearing retainer wrench Function: Retainer-nut removal, installation and tightening Working location: Upper driveshaft housing, behind the U-joint assembly Applications: Compatible MerCruiser MC-I, R, MR, Alpha One, Alpha One Gen II, Bravo One, Bravo Two, Bravo Three and Blackhawk drives Intended use: Sterndrive servicing and upper-unit rebuilding Check compatibility Confirm the required tool using your sterndrive model, serial number and service manual. Match the wrench to the retainer design, particularly on Bravo X, XR and XZ versions, which may require a different tool. Ensure the wrench is fully engaged before applying force. Follow the specified tightening procedure, including any torque-wrench correction required by the tool arr

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