Genuine OEM Volkswagen transmission valve body, part number 01M325039B. This component serves as the hydraulic control center for the automatic transmission, directing fluid to engage the correct gear ratios. It is located inside the transmission housing assembly. This unit is manufactured to strict tolerances to ensure accurate pressure regulation and responsive shifting. Genuine OEM valve bodies are critical for transmission longevity, as they are pre-calibrated to match the specific hydraulic requirements of the transmission control unit.