The Fleetguard 5.28" Water Filter is designed to provide superior filtration and protection for your engine. This filter is designed to reduce wear and maintain effective heat transfer, especially important for coolants that stay in the engine longer. Additionally, this filter provides a convenient and reliable method for delivering supplemental coolant extenders into the cooling system, helping to improve performance and extend coolant service life. This filter is designed to provide superior filtration and protection for your engine, helping to keep it running at peak performance. FleetPride is your First Click in Heavy Duty®.