1、Vehicle Fitment: Engine coolant reservoir is replacement for Civic 2006‑2011, please confirm whether your model is applicable before buying. 2、OE Number: The part number of coolant reservoir for reference are 19101 RNA A01, please confirm whether it is consistent with the OE you need. 3、Sturdy Material: The coolant reservoir is made from sturdy material that is not easy to break and is well sealed. This ensures long term reliability and a prolonged lifespan. 4、Ideal Replacement: By replacing your current inferior or faulty unit, you can ensure the efficient and peak performance of the entire cooling system, ultimately extending the lifespan of your vehicle. 5、Easy to Install: Designed for easy installation, coolant reservoir requires a few simple steps. It saves you time and effort, allowing your vehicle to be upgraded quickly.