Audi A4 A6 A8 01J Gearbox Multitronic Gearbox Code GHZ 2.5L TDI Tested fully working condition Gearbox still on the car Collection only. The item "Audi A4 A6 A8 01J Gearbox Multitronic Gearbox Code GHZ 2.5L TDI" is in sale since Monday, June 11, 2018. This item is in the category "Vehicle Parts & Accessories\Car Parts\Transmission & Drivetrain\Gearboxes & Gearbox Parts". The seller is "valdis_baufals" and is located in Hull. This item can be shipped to United Kingdom.