Exhaust Cover Gasket Starboard 14151-93J00

Function and Technical Context

The starboard exhaust cap gasket seals the joint between the exhaust cap and manifold in high-output Suzuki outboard engines, preventing combustion gas leakage outside the exhaust circuit. It operates within the exhaust gas evacuation system, a circuit subjected to continuous cycles of high temperature and mechanical vibrations that progressively degrade sealing materials. Its integrity is critical to maintaining engine performance: a leak at this point can result in power loss, localized overheating of the block, and corrosive gas intrusion into unintended areas of the engine compartment. Reference 14151-93J00 is specifically designed for the cylinder banks on the starboard side in large-displacement DF models, guaranteeing the exact dimensional fit required by the manufacturer.

When to Replace This Component?

The most common symptoms of deterioration in an exhaust cap gasket are visible blackening around the cap, smell of burnt gases in the engine room or on deck during operation, and in advanced cases, carbonization marks or deformation of the cap itself. It is recommended to inspect this gasket at each annual seasonal maintenance and replace it whenever the exhaust cap is removed for any reason, as exhaust gaskets must not be reused once compressed. Replacing it preventively when undertaking any work on the exhaust system avoids serious failures while underway and the cost of a second removal.

Compatible Johnson/Evinrude Engines

Equivalent Manufacturer References