OEM parts are manufactured by the factory supplier for your vehicle for use in repair. LKQ parts are Like, Kind, and Quality recycled parts that are generally less expensive and help save our environment. Aftermarket parts are third-party equivalents of the original factory parts. While we aim to use mainly OEM parts, aftermarket parts are also an option if needed or requested. Often, this is at the discretion of the insurance company and your insurance policy guidelines, so make sure to consult with your agent.