need a weird and maybe unique part number
 

Ok I looking for a small platic yellow cap that goes in one of the air mixture screws of the throttle body in 944 non turbo cars! maybe most of our car has that little yellow cap lost and some lucky people still have it in the throttle body!! if I want to buy new on cap.will that little part still available ?what is the part number?

in the PET i only see reference to a blue cap. What year 944? #944 606 935 01