Premium™ Type DC-1 Dual Clutch Transmission Fluid, 1 Quart by Beck Arnley®. Oil Type: Type DC-1. Volume: 1 Quart. Quantity: 1 Bottle. Beck Arnley Premium Dual Clutch Transmission Fluid (DC-1) is designed for the demanding anti-wear and friction behavior requirements of Audi and Volkswagen’s DSG transmissions. The special base oil matrix provides stable friction level and maximum wear protection.