Common Rail Nozzle G3S5 Common Rail Nozzle G3S50 (ARA) Whats--App 86--1--3--3--8--6--9--0--1--3--2--6 Alen----(at)----china-lutong---(dot)----net Inside the nozzle body is the nozzle needle which, when closed, blocks the injection orifices. For fuel injection, the nozzle needle is raised by the hydraulic servo system of the injector so that the injection orifices are opened. The faster the nozzle needle can be opened and re-closed, the more precisely the injection rate can be controlled. The injection rate and the shape of the injection spray have a decisive influence on fuel consumption and raw emissions from the engine. China-Lutong is one of the most important Chinese companies in the manufacturing and supply of products, parts, components and equipment for diesel injection systems. As well as the spare parts for common rail pumps and injectors. You can count on China-Lutong Diesel from the sale to the installation to provide award-winning customer service. Contact our sales or technical department at or send us an email. We offer you the best price guaranteed, in addition to expert technical support. China-Lutong Diesel is your one stop solution for diesel fuel injection parts.