Pump (Impeller): The driving member that is attached for the engine. It spins Along with the motor and moves transmission fluid throughout the torque converter. The stator sends the fluid coming back from the turbine for the pump. This enhances the effectiveness in the torque converter. Take note the spline, https://torqueconverterclutch54074.full-design.com/the-2-minute-rule-for-torque-converter-clutch-76627976