Update your semi truck with properly inflated tires, with the Stemco 19.5" Straight Tire Inflation System Replacement Hose that ensures you're Ready for the Road Ahead™. Due to its easy-to-access fill and pressure check port, this replacement hose is the ideal solution for maintaining optimal tire pressure. Constructed with excellent tensile strength for resistance to cuts and heat. FleetPride is your First Click in Heavy Duty®.