Features: 1.OE Number: The referencing OE number of this coolant tank are 21721 JD00B, 21721 JD00B, which is molded and designed depend on the original data. 2.Fitment: The engine coolant expansion tank is a replacement for Dualis J10 2007?2016, please check the model and year before ordering. 3.Function: Plays the role of balancing the tank pressure, and there is a corresponding scale, indicating the level of the liquid, and intuitively knowing whether the water volume is sufficient. 4.Premium Material: The radiator expansion tank is made of high strength ABS plastic material, which is high temperature resistant, wear proof and durable. 5.Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency. Specification: Item Type: Engine Coolant Expansion Tank_x000D_ OE Number: 21721 JD00B, 21721 JD00B_x000D_ _x000D_ Material: ABS_x000D_ Fitment:_x000D_ Fits for Dualis J10 2007?2016 Note: Please double check the part number of your item, matching information is for reference only._x000D_ If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!