AUDI 6R0423812A, 6R0423812AS1. VW 6R0423812A, 6R0423812AS1. 1x Febi Tie Rod End (39939). 1x Febi Nut (39159). Type Tie Rod End. External Thread Size M12 x 1,5. Internal Thread Size M14 x 1,5. These products are designed to be used as originally intended and not modified for purpose.