1、Applicable Model: Coolant overflow tank kit is fit for S13 S14 S15 All Models 1989 to 1994, please confirm whether your model is applicable before buying. 2、Durable material: This kit is made of aluminum, which is durable and resistant to rust, has stable performance and can be used to refresh the engine bay. 3、Tightly Sealed: This overflow expansion tank kit comes with a twist in cap design that creates the perfect tight seal to prevent coolant leakage. 4、Easy to Use: The coolant overflow tank is equipped with external level indicators to provide easy to read levels, making operation easier and convenient. 5、Easy installation: The radiator coolant overflow tank can be easily installed without instructions. The installation process is easy and does not require professional skills.