Gearcase Leakage Tester Kit for Outboard Lower Units

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About this product

Check a compatible outboard gearcase for leaks before refilling it with gear lubricant using this genuine Mercury Marine tester kit. It applies pressure to the gear housing, allowing technicians to assess whether the assembly holds pressure as specified in the service manual. Useful when investigating water-contaminated gear oil or checking repairs after seal replacement, the tester helps identify sealing problems before the lower unit returns to service. It can also pressurise compatible oil-injection systems where specified by Mercury’s service procedure. Product details Type: Gearcase pressure leakage tester kit Primary function: Checks gear-housing sealing before filling with lubricant Application: Compatible outboard lower units Additional use: Pressurising specified oil-injection systems Intended use: Leak investigation, maintenance and checks following seal repairs Product status: Genuine Mercury Marine OEM special tool Check compatibility Confirm the tester connection and any required adaptor using your engine model, serial number and service manual. Different gearcases may require different connection fittings. Follow the manufacturer’s instructions for preparing the gearc

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