Complete Manual Transmission Audi A6 Sedan Series C6 (4F2), coded HCK, is a robust and reliable 6-speed manual gearbox designed for vehicles produced between 2004 and 2012. This specific unit originates from a 2008 model and is compatible with Audi models equipped with the 1968cc CAHA diesel engine. Known for its durability and performance, the HCK 6-speed transmission offers smooth gear shifts and excellent torque handling, making it ideal for both city and long-distance driving. Engineered to work seamlessly with the 2.0 TDI diesel engine, this transmission enhances fuel efficiency while delivering consistent power to the wheels. Its 6-speed configuration allows for optimized gear ratios, resulting in improved performance, reduced engine strain at high speeds.