Our inventory is huge, and our prices are small! We donít just carry car parts. We also feature truck parts and accessories. Each part is checked thoroughly to ensure it is functioning properly. Save money on parts for your vehicle. Stop in to M & J Auto Parts, LLC in Hidalgo, Texas, for the finest in used and rebuilt auto parts, all with a 30-day warranty. Put our more than eight years of experience to work for you. We only provide parts from our salvage yard that are in proper working order. You will find everything from motors, transmissions, alternators, mirrors, fenders, and other parts that may be expensive or difficult to locate.