e-Golf. Flexible Hose that is part of the engine cooling system. From 07/21/2015. From 12/12/2016. Hose that attaches to the Drive Motor Inverter Radiator. Incl.Adapter. To 12/11/2016. and Amplifier; tube. and Amplifier; tube Assembly. By - Passenger. Connector. Drive Motor Inverter Radiator. Radiator Coolant. Return tube. Water Assembly.