PDI Big Boss Charge Air Cooler- 2008- 2015 Freightliner Cascadia / Western Star 5700

The PDI Big Boss Charge Air Cooler – 2008–2015 Freightliner Cascadia / Western Star 5700 is a premium, high-efficiency upgrade engineered to deliver superior cooling performance, improved airflow, and long-lasting durability. Designed to outperform factory intercoolers, this charge air cooler enhances turbo efficiency, reduces intake air temperatures, and improves overall engine performance.

Constructed with a heavy-duty bar-and-plate aluminum core, the Big Boss Charge Air Cooler provides maximum heat dissipation and strength under extreme boost and vibration conditions. Its precision-welded design ensures leak-free performance, lower intake temperatures, and improved fuel economy for both stock and performance-tuned diesel engines.

Engineered for direct OEM fitment, this cooler installs seamlessly into 2008–2015 Freightliner Cascadia and Western Star 5700 models, providing consistent, reliable cooling that helps extend engine life and maintain optimal power output mile after mile.