Inline check valve 8781051 is for use on high-horsepower Mercury and Mariner 2-stroke outboards. This critical component ensures proper fluid flow in your engine system. Easy to install with common shop tools, it is produced to meet original equipment manufacturer specifications for peak performance.
- Fits select Mercury/Mariner 105-275hp 2-stroke DFI/EFI/Jet outboards
- Also fits 175hp XR2 JetDrive-SportJet models
- Ensures proper fluid flow and prevents backflow
- Easy to install with common shop tools
