Need a dependable replacement to help keep your International DuraStar's cooling system in check? This lineup of coolant reservoirs is made for popular models like the 4300, 4400, and many more. Made for both durability and efficiency, these reservoirs will help the engine maintain optimum temperatures while fighting against overheating, meaning your truck will keep working. Each reservoir is pressurized with a vented cap made from rigid, long-lasting plastic to handle day-to-day wear and tear. Installation is, therefore, simple with direct-fit compatibility, saving you time and hassle. Whether you need to replace your broken-down reservoir or just want to upgrade to a better cooling system, these high-quality units would be up to the challenge. Keep your engine cool and your truck running at its optimum with parts that bring reliability and performance for the long haul. These coolant reservoirs are built to go the distance.