With a quantity of ten pieces, the Screw,tapping,(po)4x is the most used part in the DUCT diagram.
The Civic 2004 (4) 4dr Dx Air Conditioner (ka) Duct consists of eight pieces with the Duct Assy,inst being the most expensive.
A sample from the products for the Duct include: Duct,rear Heater, Seal B(side Def), Seal A, Duct Assy,inst.