Porsche (1989+) Plastic Nut (T5) Underbody Protective Coverings (x10 nuts) Plastic Nut (T5) for Underbody Protective Coverings (set of 10) Brand NEW part with full 1 year warranty. Porsche part# 999 049 007 40, supercedes# 999 049 022 40 Genuine Porsche part, recently made: not been lying around.