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:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

