Aftermarket parts, unlike original equipment manufacturer (OEM) components, carry brake disc parts. The parts can be from independent manufacturers and vary widely in terms of quality and price. Some aftermarket brake discs may qualify as being made from quality materials, and offer performance features surpassing OEM standards, while others do not. For many vehicle owners, these parts can be a budget-friendly option, but it is critical to use reputable manufacturers, and check the part's compatibility with the vehicle's brake system to ensure safety and reliability.