The International PayStar 5000 Charge Air Coolers category offers a selection of high-quality coolers for various International truck models, including PayStar, TranStar, and ProStar. These coolers enhance engine performance by cooling the air entering the engine, improving power and fuel efficiency. Key features include: - Durable, long-lasting construction - Corrosion-resistant materials for tough conditions - Easy installation with precise fitment for compatible models - Cooling capacities from 30.25 x 15.875 inches to 41 x 24.687 inches - Plug-and-play kits available for a complete solution Whether you're maintaining or upgrading your truck, these BESTfit Charge Air Coolers help keep your engine performing at its best.