Genuine OEM Audi sliding gear, part number 0B4311158. This gear is a vital component within the transmission assembly, responsible for engaging specific gear ratios during operation. It is engineered to withstand high mechanical stress while maintaining precise engagement timing. Built to strict factory tolerances to ensure smooth shifting and prevent premature wear of the transmission internals. Genuine OEM parts provide the exact metallurgical properties and tooth profile necessary for reliable, vibration-free service life.