WTB round vacuum ball in front left

[rs/ss 67]

I need the round vacuum ball in the left front bumper area in front of the tire. Does anyone have on laying around.I don't know what it does but I thought I would replace it. Let me know if you have one and what you want for it.
Thanks,
Steve

 

[rs/ss 67]

Thanks everyone, I have located the peice at a local dealer