The A5HF1 transmission is a 5-speed automatic transmission that first appeared Hyundai and Kia vehicles in 2006. The A5HF1 transmission is similar in design to the earlier F5A51 transmission but has been upgraded to include 4 OD planet pinion gears, 4 direct planet pinion gears, a higher capacity torque converter, and a larger reduction band apply piston. See the full Raybestos Powertrain A5HF1 transmission parts listing below.