The Airsource 8 Mini Stat Seal with Rubber Insert is the perfect solution for your sealing needs. This seal is made with high-quality materials for maximum durability and longevity. It is designed for a perfect fit and easy installation, so you can get it up and running quickly and easily. This seal is also designed to resist a lot of use and tough environments while delivering enduring performance. With its I.D. of 7/16", this seal is the perfect choice for your Freightliner truck. FleetPride is your First Click in Heavy Duty®.