8mm 5/16 Aluminum One Way Fuel Check Valve – Non-Rreturn For Petrol, Diesel, Water – Universal Fit

Need a simple, solid way to stop fuel from flowing backward?

This little aluminum check valve does the job perfectly.

It's 8mm (or 5/16 inch) and works with petrol, diesel, or even water lines.

Brand new and built to last, it's an aftermarket OEM replacement with part number FYE037091.

Plus, it comes with a 1-year or 20,000km warranty—so you're covered if anything goes wrong.

It's universal fitment, meaning it'll slide right into most fuel systems without drama.

Whether you're rigging up a boat, a bike, or a custom project, this one-way valve keeps things flowing the right direction.

No more siphoning or backflow headaches.