SIERRA 118-2541 Lower Unit Seal

Compatible Engines

The SIERRA 118-2541 lower unit seal is a critical component ensuring the integrity of your propulsion system. Due to the lack of official source data listing specific engine models compatible with this part, compatibility must be verified by the manufacturer's catalog number (118-2541) or the original OE number. We recommend contacting our support team if you have any doubts to select the correct part for your power unit.

Installation and Operation

Replacing the seal is a preventive measure that protects the gearbox from water intrusion. Regular replacement prevents bearing corrosion and expensive gearbox repairs. Before installation, ensure the shaft is clean and free of scratches. Use appropriate assembly lubricant to avoid damaging the seal during installation. After replacement, check for leaks before starting the engine.

• Original SIERRA quality – guarantee of durability and sealing
• Gearbox protection – effective protection against water and contaminants
• Easy installation – precise fit for standard designs
• Long service life – resistance to marine and inland conditions