Brake master cylinder GMC178

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.

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.