Original equipment parts (OEM) parts are components used on or in a vehicle that come from the original equipment manufacturer. Understanding the difference between OEM parts and aftermarket parts can ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

Aftermarket parts are generally less expensive than OEM parts, although the price varies by brand. Regardless of the brand, using aftermarket parts will typically cost less than OEM parts. According ...

While there are certainly limits on how—and how much—aftermarket sellers can use OEM trademarks to communicate key information about aftermarket parts, the legal boundaries for aftermarket sellers are ...