Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC 18-4457
Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC 18-4457
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Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC
Includes: 4" exhaust flapper, clamp, installation hardware
Fits Models: OMC engines
Model Years: Various
Submodels: Compatible with multiple OMC configurations
Engine Options: Designed for OMC inboard and outboard engines
Description: The Marine 4" Exhaust Flapper Clamp Backflow Preventer is essential for maintaining optimal engine performance and preventing backflow in your marine vessel. This high-quality flapper is engineered to fit a range of OMC engines, ensuring a secure and reliable installation. By preventing water from entering the exhaust system, it enhances the longevity of your engine and improves overall functionality.
Features:
- Specifically designed for OMC engines, ensuring a perfect fit
- Provides essential backflow prevention, protecting your engine from water damage
- Easy installation with included clamp and hardware
- Durable construction for long-lasting performance in marine environments
Upgrade your marine engine's reliability and performance with this essential exhaust flapper clamp. Perfect for boat enthusiasts looking to enhance their vessel's functionality and protect their investment.

Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC 18-4457
Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC 18-4457
Marine 4" Exhaust Flapper Clamp Backflow Preventer for OMC
Includes: 4" exhaust flapper, clamp, installation hardware
Fits Models: OMC engines
Model Years: Various
Submodels: Compatible with multiple OMC configurations
Engine Options: Designed for OMC inboard and outboard engines
Description: The Marine 4" Exhaust Flapper Clamp Backflow Preventer is essential for maintaining optimal engine performance and preventing backflow in your marine vessel. This high-quality flapper is engineered to fit a range of OMC engines, ensuring a secure and reliable installation. By preventing water from entering the exhaust system, it enhances the longevity of your engine and improves overall functionality.
Features:
- Specifically designed for OMC engines, ensuring a perfect fit
- Provides essential backflow prevention, protecting your engine from water damage
- Easy installation with included clamp and hardware
- Durable construction for long-lasting performance in marine environments
Upgrade your marine engine's reliability and performance with this essential exhaust flapper clamp. Perfect for boat enthusiasts looking to enhance their vessel's functionality and protect their investment.