Product OEM Code:

0B5 325 330 A / 0B5325330A

The external oil filter used in DL501 transmissions effectively filters contaminants, metal particles, and deposits from the transmission oil, ensuring that the oil remains clean. This filtration allows clean oil to be delivered to the hydraulic system, mechatronic unit, and clutch components. Proper oil circulation helps maintain stable hydraulic pressure, ensures smooth gear shifts, and minimizes internal wear. A clogged or inefficient external oil filter may restrict oil flow, cause pressure loss, reduce performance, and lead to serious long-term transmission damage. Therefore, inspecting and replacing the DL501 external oil filter at recommended service intervals or during repairs is essential for reliable and long-lasting transmission operation.