Genuine OEM Volkswagen Oil Strainer, part number 09Q325429. This strainer is a critical component of the transmission, filtering debris from the transmission fluid to protect internal components. It is located within the transmission oil pan. Ensures smooth transmission operation and longevity. Genuine OEM transmission strainers are designed with the correct mesh size and flow rate to effectively filter contaminants without impeding fluid circulation, protecting the transmission from premature wear.