The Screw,tapping,(po)4x is the most widely applied product in the CIVIC 2003 (3) 3DR SI SIDE SRS (KA) HEATER CONTROL ( five times ).
The sub assemblies and components that make up this Heater Control include this Contl Assy,htr, the most expensive part.
The lowest price component in this Heater Control parts-list fiche is the Screw,tapping,(po)4x.