Lower Unit Gasket SIERRA 18-3752

Which engines is it compatible with?

The drive shaft washer SIERRA 18-3752 is a critical component ensuring tightness and stable operation of the lower unit. Although raw data does not specify exact models, compatibility must be verified by the manufacturer's catalog number (18-3752) or original OE number. If you have any doubts, we recommend contacting our support team to select the part perfectly matched to your outboard motor.

Installation and Maintenance

Replacing the washer is a simple but key preventive measure. We recommend regular inspection, especially after winterization or hitting an obstacle. Use new washers every time you replace the propeller to avoid oil leaks and premature wear of seals.

• Original SIERRA quality – guarantee of durability and compliance with standards.
• System tightness – effective protection against water entering the transmission.
• Precise dimensions – perfect fit to the drive shaft socket.
• Easy installation – quick replacement without special equipment.
• Unique identifier – EAN: 030999975959 facilitates verification.