Product OEM Code: 

0B5 325 429 E / 0B5325429E

The DL501 transmission internal oil filter effectively filters metal particles, friction residues, and other contaminants from the transmission oil, ensuring that the oil remains clean. This filter supports proper oil flow to the hydraulic system and mechatronic unit, helping maintain stable hydraulic pressure. Clean oil circulation enables smooth and precise gear shifting while reducing wear and the risk of mechanical failure. Since the filter may become clogged over time, inspecting and replacing the DL501 internal oil filter during transmission maintenance or overhaul is essential for ensuring long-lasting, efficient, and reliable transmission performance.