Abstract: Dynamically and intelligently identifying used parts and automatically locating actual used parts. A programmed computer system receiving an electronic vehicle repair estimate with a new part, type cross referencing a type of the new part in the estimate with a type of a used part, according to a used part type database, cross referencing the type of the used part with a used part identifier, according to a used part identifier database, identifying actual used parts corresponding to the new part by searching a used parts database based on the used parts identifier.