Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow at 90 GPH. 10 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems. Display packaged.

Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow at 90 GPH. 10 micron filters are recommended to prevent damage to sensitive inboard and outboard fuel injection systems. Display packaged.

Sierra thermostat kits Mercury and Mariner outboard engines.

Replacement aluminum anodes for Mercury outboard and Mercruiser stern drive applications. May be used in brackish water, or if boat is used in both fresh and salt environments.

Sierra lower unit seal kits for Mercury outboard engines.

Thermostat gaskets for Mercury

Sierra voltage regulators for Mercury/Mariner outboards.

Sierra replacement thermostats for Mercury outboards.

Sierra replacement sensors

Sierra replacement sensors

Sierra replacement sensors

Replacement magnesium anodes for Mercury outboard and Mercruiser stern drive applications. For freshwater use only.

Replacement zinc anodes for Mercury outboard and Mercruiser stern drive applications. For saltwater use only.

Sierra tune up kits. Content varies depending on application.

Sierra spanner nut for Mercury.