The OEM number is an abbreviation for Original Equipment Manufacturer, which means the manufacturer of the vehicle's original equipment. Also known as the manufacturer's reference number, it is found on all car parts. Thus, it is the reference to be taken into account to find an original part for your car ex: "1738E0".
| OE |
1738E01738 E0 |
a carbon copy of the old one. (Translated review)