12 mm Non Return Valve

The 12 mm Non Return Valve is a compact, one-way check valve designed for diesel fuel systems. It allows fuel to flow in one direction while preventing backflow, helping maintain consistent pressure and protecting the system from contamination. Built from durable, corrosion resistant materials, this valve features 12mm hose connections on both ends for quick and easy installation into standard diesel lines. Ideal for use in diesel vehicles, machinery, and generators. Always confirm compatibility before installation.