The Screw,tapping,(po)4x is the most widely applied product in the CIVIC 1999 (X) 4DR LX (KA) HEATER CONTROL ( five times ).
The sub assemblies and components that make up this Heater Control include this Contl Assy *nh1l*, the most expensive part.
Some items from this specific schematic: Bolt Washer 5x12, Knob Turn, Knob (rr Def), Knob (rec).