downdraft carburetor parts cut in this model: mixing chamber, float chamber, float-needle valve, idle speed channel, accelerator pump, pull- down and automatic choke. all parts can be easily moved description ordernumber 1006 see also: Mercedes-Benz A Class diesel engine with common rail technique mixture control unit of KE-Jetronic high-pressure pump for engines with direct petrol injection (GDI) camshaft adjustment, Porsche