Expansion tank cap 171121321J

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 171 121 321 J:

• 171 121 321 J (original number of AUDI)
• 171 121 321 J (original number of SEAT)
• 171 121 321 J (original number of SKODA)
• 171 121 321 J (original number of VW)
• 171 121 321 J (original number of CUPRA)