What are Aftermarket Car Parts? A Complete Guide Aftermarket car parts play a significant role in the automotive industry, offering vehicle owners an alternative to original equipment manufacturer (OEM) parts. These components are designed and manufactured by third-party companies rather than the car’s original manufacturer. Whether for repairs, performance enhancements, or aesthetic modifications, aftermarket parts provide a wide range of options to suit different needs and budgets. https://www.deviantart.com/engineeredracing/journal/What-Are-Aftermarket-Car-Parts-A-Complete-Guide-1154924886