Free Shipping Qualifying Orders Over $199 *
Secure Checkout
Shop by your truck

2017-2026 6.6L L5P Duramax Intercoolers


L5P Duramax intercoolers are engineered to maximize cooling efficiency, boost airflow, and increase horsepower on 2017+ Chevy and GMC 6.6L diesel trucks. Perfect for towing, performance upgrades, and high-demand applications, these heavy-duty intercoolers improve engine efficiency, reduce turbo heat, and enhance overall reliability—essential for diesel owners looking to unlock peak performance.