Complete Manual Gearbox Opel Insignia Sedan MR6 6-Speed Manual A20DTH Diesel 1956cc (08–17). The gearbox comes from a 2009 model and fits vehicles produced between 2008 and 2017. The MR6 transmission is known for its robust construction and smooth gear shifting, offering optimal performance for 2.0 CDTI diesel engines like the A20DTH. Designed to balance efficiency and drivability, this 6-speed gearbox delivers excellent torque handling, fuel economy, and comfort during both city and highway driving. As a used part, this gearbox has been removed from a fully operational vehicle and has undergone inspection to verify its mechanical integrity.