Sierra 18-2780-1 Exhaust Hose 4 Inch Marine Sterndrive

The Sierra 18-2780-1 is a heavy-duty marine exhaust hose designed for demanding sterndrive applications. This 4-inch inside diameter hose provides a reliable connection for exhaust systems on Volvo Penta and OMC sterndrive engines, handling the high temperatures and corrosive marine environment that exhaust components must endure.

Key Features:

• 4-inch inside diameter for proper exhaust flow
• Black marine-grade rubber construction resists heat, salt water, and exhaust gases
• Engineered for Volvo Penta and OMC sterndrive exhaust systems
• Durable reinforced design for long service life
• Direct replacement for OEM exhaust hose components

This exhaust hose is a critical component of your marine exhaust system, providing the flexible connection needed between rigid exhaust components while maintaining proper sealing and exhaust flow. Sierra marine products are manufactured to meet or exceed OEM specifications, ensuring reliable performance and proper fit.