Not so for the mechanic in a viral TikTok clip, who looked at a spray-painted black compressor and joked that he might as well reserve the Chevrolet’s next appointment immediately. The mechanic’s pessimism came from more than the fact that the Chevrolet needed another air-conditioning repair. Bad Parts ExperiencesThe mechanic saw the black paint differently. Not everyone considered rebuilt components an automatic gamble. The financial argument for parts remanufacturing is strong: AAA estimates rebuilt parts can cost 20% to 50% less than new replacements.