Please help me find the p/n for this clip/fastener.

As you are all well aware, it's almost impossible to disassemble anything on a Prius (or any Toyota) without breaking a few plastic fasteners. Over years of junkyard trips, I have amassed a vast collection of clips. However, I can't find a particular clip I need in the yard, so I have to suck it up and buy some.

Because I can't figure out which sub-assembly to look under, I can't come up with the correct p/n for this particular clip, so I'd appreciate a little help.

Anyhow, three of these clips are used to hold a plastic panel to the radiator header. Thanks in advance for your help.

 

I was unclear and all of your links helped. What I actually need is the clips that hold the top of the bumper to the core support.

The answer is 52161C