Geico is making you an offer - full repair with aftermarket parts. You don't have to take it. You can demand OEM parts if you want. OEM auto parts is the industry identify for the "Original Equipment Manufacturer" parts. OEM auto elements designate the "Original Equipment Manufacturer" components. OEM auto parts is how we speak about the "Original Equipment Manufacturer" parts. OEM auto parts are often costlier than aftermarket parts; nevertheless, that is not at all times the case when you are shopping on eBay. What You Need To Know About OEM Auto Parts to have a look at the specifics of the half and your finances if you’re considering utilizing non-OEM auto parts.