OEM Black Plastic Push Clip used on many Nissan and Infiniti Models including the 300ZX, 350Z, 370Z, G35, G37, and GTR.   

On the Z32, they are specifically found holding the inner fenders to the body.

On the 350Z, 370Z, Infiniti G35, and G37 they are found in various places of the vehicle including the engine compartment.  

Buy a pack of 10 at a discounted price as an option below.