so last night I was trying to tighten my loose look koe spindele that was for sure loose, I forgot that one size is counter clock wise to tighten (i was trying to open it) and I have skipped the thread on the plastic part that holds the spindle in the pedal, can I get that pieces by it self? its the side that it looks like a star, please help!

Are you sure that the threading in the pedal body is still good?
You can get replacement axle kits. They have the collar already on them.