need part number!
 

ok i replace my air filter in my boxster s today was real simple job, but when i remove the carpet top covers that goes before the mian engine cover ,, one of the secure plugs ONE IS MISSING,,,,I MEAN THE BLACK CIRLCLE SECURE PLUGS THAT HOLD THE CARPET OF THE TOP OF ENGINE BAY THE ONES THAT ARE KIND BIG AND THEY KIND FOLD I N HALF !! NEED PART NUMBER TO ORDER IT !THANKS

Sounds to me like you're missing one of four "panel fasteners" that secure the cover.

Part number 986 551 339 00 01C

You can order it right here at Pelican for $6.25 ea...while you're at it, make a list of everything you need (or will need) and order it from Pelican, at the same time, to show your appreciation for this forum.