S04-1118100-L05-08 Turbocharger for Yuchai YC4G-L05A four-cylinder National VI turbocharger assembly whose identification plate carries four distinct fields. The drawing number, model line, serial and short code each serve a different purpose, and the field a buyer quotes is rarely the one that identifies the physical unit. Two revisions of the same drawing sit one digit apart, while the eleven-figure group in the middle is shared by several unrelated Chinese engine