Product Details: Prepare your semi to be Ready for the Road Ahead™, with the Donaldson P551034 Fuel / Water Separator that maintains a clean and contaminant-free fuel line. Due to its specialized design, this spin-on fuel filter is able to protect the fuel injection system by seizing harmful contaminants and water before the fuel is combusted in the engine. Constructed with solid materials to endure demanding conditions and lengthen the interval time between each component change. The air conditioning and heating system in heavy duty trucks has a major impact on drivers’ safety and comfort level. Whether you are looking for A/C compressors, condensers, driers, freon, or blower motors, FleetPride has the part you need to make sure your air conditioning and heating are well maintained. Keep your heavy duty fleet operations working as productively and efficiently as possible by finding the right air conditioning and heating part for you. FleetPride is your First Click in Heavy Duty®.