Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Black
Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Black
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Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Black
Enhance your vehicle's performance and protect your engine with the Mishimoto 6.6L Duramax L5P Performance Intercooler. Specifically designed for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P, this intercooler offers superior cooling capabilities that are crucial for maintaining optimal performance and preventing potential engine damage.
Key Features:
- Durable Construction: Made with high-quality cast-aluminum end tanks, this intercooler is engineered to withstand extreme temperatures and boost pressures.
- Superior Cooling: The intercooler features a massive 68mm-thick bar-and-plate core, which is 70% thicker than the stock unit, ensuring maximum cooling efficiency.
- Reduced Restriction: Experience over 64% less restriction compared to the factory intercooler, allowing for improved airflow.
- Improved Flow: Enlarged intercooler inlet and outlet sizes (6mm and 12mm increase, respectively) further enhance fluid dynamics for better performance.
- Versatile Installation: Comes with an adapter cold-side pipe fitted with DuraCore™ boot and constant-tension T-bolt clamps, making installation straightforward.
- Sensor/Bung Compatibility: Two additional bungs on the adapter pipe can be drilled and tapped for sensors or water/meth injection systems, offering customization options.
- Stylish Finish: Available in both Sleek Silver and Stealth Black powder-coated finishes to match your vehicle’s aesthetics.
Upgrade your Duramax with confidence knowing it is backed by the Mishimoto Lifetime Warranty. Equip your truck with this innovative intercooler and enjoy enhanced performance and reliability on every journey!
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

