Feature: 1. Applicable Models: Headlight control module is fit for Navigator, for Mondeo IV and for Octavia II 1Z. Please confirm whether your model is applicable before buying. 2. OE Number: The part numbers of reference are 35xT5 3 D1, 1Z0941641A , please confirm whether it is consistent with the OE you need. 3. Advance Technology: The control unit uses advanced microelectronics technology and accuracy CNC manufacturing to effectively control and stabilize the lamp's operating current, providing long lasting and stable performance. 4. Enhance Driving Experience: By controlling and stabilizing the operating current of the lights, headlight ballast module provides brighter and more stable headlight brightness, which improves the night driving vision and provides a better driving experience. 5. Perfect Fit: Comply with OEM specifications to ensure that the shape and function match the original vehicle, perfect replacement without additional modifications are required. Specification: Item Type: Headlight Control ModuleMaterial: MetalOE Number: 35xT5 3 D1, 1Z0941641AInstallation Method: Direct ReplacementFitment:For Navigator 2003-2006 For Town Car 2003-2006 For Mondeo IV 2007-2010 For Octavia II 1Z 2004-2010. Package List: 1 x Headlight Control Module Note: Please double check the part number of your item, matching information is for reference only.