Designed to prevent back-flow, the Mercury Check Valve Assembly 424811 fits Mercury 150-300hp EFI TwoStroke outboards. Material tested for durability and longevity in tough marine environments, this assembly is specifically made to obtain required blowoff pressures for your engine's fuel system.
- Fits Mercury 150-300hp EFI TwoStroke outboards
- Specifically made to obtain required blowoff pressures
- Prevents harmful back-flow in engine systems
- Material tested for durability in harsh marine conditions
- Mercury parts ensure the best fit and function
