HyundaiPartsDeal.com offers the wholesale prices for genuine 2012 Hyundai Veloster parts. Parts like Transmission Control Unit are shipped directly from authorized Hyundai dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine Capacity: DOHC - GDI, DOHC - TCI/GDI. Body: Coupe - 4Door 4P (Door'S 1Door & Pass 2Door).