This standard specifies the size specifications of the inlet, outlet, crankcase vent, clogging indicator connector, etc. of the automotive air filter. This standard applies to truck air filters.
GB/T 14169-1993 history
1993GB/T 14169-1993 Automobile air filter connector type A and type B
GB/T 14169-1993 Automobile air filter connector type A and type B was changed to QC/T 761-2006 Car air filter connector type A and type B.