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Upper Seal Kit Replace 26-16709A2 18-2643 Fit for MerCruiser Models Bravo 1 2 3 1988-1998, for Bravo XZ XR One, for Bravo X, for Blackhawk

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$29.99

$ 14 .99 $14.99

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  • 1.Compatible Model: Fit for MerCruiser Models Bravo 1 2 3 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998, for Bravo XZ XR One, for Bravo X, for Blackhawk
  • Replacement Models: Fit for MerCruiser Stern Drive 26-16709A1 26-16709A2, for GLM 87480, for Sierra 18-2643, for Mallory 9-74301
  • Strong Sealing: using excellent materials, it can effectively prevent water or other liquids from entering the inside of the gear box, and prevent lubricating oil in the gear box from leaking out. It has stable performance and better sealing.
  • Advantages: Used to seal the gearbox of the stern drive system to prevent water or other liquids from entering the inside of the gearbox, and to prevent the lubricating oil in the gearbox from leaking out.
  • Packing List: The sealing kit includes O-rings, seals, output seals, gearbox drain saw gaskets, spring kits, oil seals, retainers, sealing kits, and gasket seals. The complete replacement is faster, more convenient, and saves money. Save time and effort


Midship top seal kits are typically used to seal critical components on the top of an engine or outboard motor. These seals are critical to maintaining proper compression, preventing fluids such as oil or coolant from leaking, and ensuring efficient engine operation.
Gaskets: Gaskets create a tight seal between mating surfaces to prevent fluid leakage and maintain proper compression in engine cylinders or other components.
Seals: Seals are used to prevent the leakage of liquids such as oil, coolant or fuel in various engine components. They ensure that fluids are retained in appropriate channels and chambers.
O-rings: O-rings are used to create a seal between two mating surfaces, typically in areas where there is dynamic movement or pressure changes. They prevent fluid leaks and maintain pressure within the system.
Bearings: Bearings in the upper part of an engine or outboard support the rotating shaft and reduce friction between moving parts. They may be included in seal kits for replacement during maintenance or repair.
Grommets and Gaskets: These parts may also be included in sealing kits to provide additional sealing or support in specific areas of the engine.
Overall, the functionality of the seal package on a vessel is critical to maintaining engine reliability and performance by preventing leaks, maintaining proper compression, and ensuring efficient operation. Regular inspection and replacement of seals and gaskets as part of routine maintenance can help extend the life of your engine and avoid costly repairs down the road.


William Hill
Reviewed in Canada on August 2, 2024
Everything seemed in order!