Spark plug 99917001091

An OEM number is a unique code containing letters and digits. Car manufacturers use them to mark every part inside their cars. A non-original car part carrying an OEM number demonstrates that the part meets stringent car manufacturer standards and its parameters and technical specifications are identical to original equipment.

All spare parts in the list below are equivalent to OEM number 999 170 010 91:

• 999 170 010 91 (original number of PORSCHE)

Spark plug OEM 999 170 010 91: Cost and Alternatives