Feature: 1. Fitment: Power window control switch fits for FH FM series 1998‑2013. Please confirm whether your model is applicable before buying. 2. OE Number: The part number for reference are 22154286, 21489840, 22154285, 14050579, 14070684, 22154277. Please confirm whether it is consistent with the OE you need. 3. Convenient: Suitable for the front driver side, allowing the driver to control the window opening and closing conveniently, providing a more comfortable driving experience. 4. Solid ABS Construction: Made of ABS materials with anti aging and wear resistant features, ensuring a long use life and reducing unnecessary replacement troubles. 5. Original Standard: Window lifter switch is engineered to fit and perform just like the original control switch in your vehicle, perfectly fit your vehicle. Specification: Item Type: Power Window Switch OE: 22154286, 21489840, 22154285, 14050579, 14070684, 22154277 Position: Driver Side (Left) Fitment: Fit for FH Series 1998 - 2013 Fit for FM Series 1998 - 2013. Package List: 1 x Window Control Switch Note: 1. Please carefully check the OEM number and Fitment model before purchasing. 2. It is strongly recommended to have the installation done by a professional mechanic.