Diesel injection nozzles Hongbeng diesel pump factory offer world class automotive diesel injection nozzles that are made from industrial grade materials like en 31 metal and high speed steel . Function 1to diesel engine regulate the flow of diesel fuel to the ultimate ignition compartment 2to convert the diesel into the diesel vapors and spray into the piston Specialty 1help efficient functioning of dieselfuel injection systems 2made from world class and industrial grade materials 3unique construction design 4durable and easy to install 5low emission(iv standard) and low maintenance