Sierra 18-0540 Exhaust Leg Rubber Seal for Johnson Evinrude Outboards

The Sierra 18-0540 is a high-quality exhaust leg rubber seal designed specifically for Johnson, Evinrude, and OMC outboard motors. This critical seal creates a watertight connection between the exhaust housing and lower unit gearcase, preventing exhaust leaks and water intrusion that can damage your outboard engine.

Key Features:

• Engineered to meet or exceed OEM specifications
• Constructed from durable marine-grade rubber for long-lasting performance
• Designed to withstand harsh marine environments and extreme temperatures
• Direct replacement for OEM part number 320936
• Fits Johnson and Evinrude outboards ranging from 60HP to 300HP (1976-2010)

Cross-References:

• OEM: Johnson/Evinrude/OMC 320936
• GLM 85830
• Sierra 47-0540

This exhaust seal is an essential component for maintaining proper exhaust system integrity on your outboard motor. Regular inspection and replacement of this seal during lower unit maintenance helps ensure reliable engine performance and prevents costly water damage.