Edelmann OE quality power steering hoses and components are crafted from long-lasting, high-performing materials that ensure durability under the harshest conditions on the road OE fit, form, and function ensures ease of installation, correct hose/tube routing and leak free performance Hose construction withstands internal oil temperatures of up to 300 degrees F and pulsation pressures up to 1,500 PSI, ensuring component integrity in high-heat, high-stress operating environments Tubing is coated with a Zinc-Aluminum Alloy with an Aluminum-Rich Epoxy topcoat, and the couplings and fittings are zinc-plated for rust and corrosion protection