The Performance Friction U Shaped Retrofit Rotor is the perfect choice for your Freightliner trucks. This rotor is made with premium materials for increased durability and helps to dissipate heat more efficiently. The smooth surface finish allows for better braking performance and reduces brake pad wear. This rotor is more durable and has better heat dissipation than other rotors on the market. With an outside diameter of 15", this rotor is sure to provide you with the performance you need. FleetPride is your First Click in Heavy Duty®.