SKU: MMINT-DMAX-17SL | UPC: 840197701461
Mishimoto 2017-2019 GM 6.6L L5P Duramax Intercooler – Silver
Engineered for 2017-2019 Chevrolet Silverado and GMC Sierra 2500HD 3500HD models with 6.6L L5P Duramax diesel this Mishimoto intercooler combats high intake temps that hurt power and risk engine damage. The bar-and-plate design with cast aluminum end tanks handles extreme boost and heat while slashing restriction for better airflow and cooling. Direct-fit installation upgrades your heavy-duty truck’s forced induction system with proven Duramax performance gains.
Key Features
- 68mm Thick Bar-and-Plate Core: 70% thicker than stock for superior heat dissipation and lower charge air temps during heavy towing or tuning
- 64% Less Flow Restriction: Larger core volume improves turbo efficiency and throttle response over factory intercooler
- Expanded Inlet Outlet Ports: Inlet increased 6mm outlet by 12mm for unrestricted airflow and easier high-horsepower builds
- Cast Aluminum End Tanks: Resist cracking under high boost pressures and temperatures common in L5P Duramax applications
- Included Cold-Side Adapter Pipe: Features DuraCore boot T-bolt clamps and two bungs for sensors or water-methanol injection ports
Product Notes
- Silver powder-coated finish resists corrosion in harsh truck environments
- Direct replacement design requires no cutting or permanent modifications
- Ships fully assembled ready for bolt-on install
Installation Notes
- Professional installation recommended.
- Bolt-on fit uses factory mounting locations and hardware
- Adapter pipe connects turbo to intercooler with provided clamps no custom fab needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 3500 HD | LT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2017-2019 | GMC | Sierra 2500 HD | Base |
| 2017-2019 | GMC | Sierra 2500 HD | Denali |
| 2017-2019 | GMC | Sierra 2500 HD | SLE |
| 2017-2019 | GMC | Sierra 2500 HD | SLT |
| 2017-2019 | GMC | Sierra 3500 HD | Base |
| 2017-2019 | GMC | Sierra 3500 HD | Denali |
| 2017-2019 | GMC | Sierra 3500 HD | SLE |
| 2017-2019 | GMC | Sierra 3500 HD | SLT |
Why Choose Mishimoto?
- Backed by Lifetime Warranty on all performance parts
- Cast in-house with bar-and-plate construction for Duramax reliability
- Direct-fit engineering tested on 6.6L L5P platforms
Frequently Asked Questions
- Q: Does this fit all 2017-2019 L5P Duramax trucks?
A: Yes direct fit for listed Chevrolet Silverado 2500HD 3500HD and GMC Sierra 2500HD 3500HD submodels with factory L5P 6.6L diesel no modifications required - Q: What finish options are available?
A: Silver powder-coated for corrosion resistance also available in black powder-coated finish - Q: What warranty coverage applies?
A: Mishimoto Lifetime Warranty covers defects in materials and workmanship when installed and maintained properly
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed 38.5 x 14.2 x 9.8 inches
- Weight: 52.6 lbs product 60 lbs shipping
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