Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra reed block gaskets.

Sierra exhaust manifold gaskets for Mercury outboard engines.

Sierra adapter gaskets outboard engines.

Sierra exhaust cover gaskets.

Sierra powerhead base gaskets Mercury and Mariner outboard engines.

Sierra cylinder block gaskets.

Sierra cylinder block gaskets.

Sierra carburetor gaskets for Mercury outboards

Sierra head gaskets Mercruiser and OMC Sterndrive engines.

Switch boxes for Mercury outboards.

Switch boxes for Mercury outboards.

Sierra gaskets for Mercury outboard water pumps and impellers.

Sierra intake/exhaust manifold gaskets inboard, inboard/outdrive and sterndrive engines.

Sierra fuel line assemblies meet or exceed both USCG safety regulations and EPA evaporative emissions requirements. Assemblies consist of engine connector, low-perm primer bulb and tank connectors. Designed to be used in connection with 18-8078 large bore 13mm tank adapter. 2-stroke DT model complete with 13mm tank adapter to replace small (11mm) and large (13mm) bore fuel line assemblies. 4-stroke DF model designed with 13mm quick-disconnect tank connector and a prong engine connector to replace most 15 to 140HP assemblies. Hi visibility display packaging.