SKU: MMINT-DMAX-17BK | UPC: 840197701454
Mishimoto 2017-2019 GM 6.6L L5P Duramax Intercooler – Black
Engineered for 2017-2019 Chevrolet Silverado 2500 HD 3500 HD and GMC Sierra 2500 HD 3500 HD with 6.6L L5P Duramax diesel this Mishimoto intercooler delivers maximum cooling to combat high intake temperatures that sap power and risk engine damage. The bar-and-plate design with cast-aluminum end tanks handles extreme boost and heat while slashing airflow restriction by over 64% for noticeable gains in performance and reliability. Paired with a cold-side adapter pipe this direct-fit upgrade ensures seamless installation and long-term durability.
Key Features
- 68mm Thick Bar-and-Plate Core: 70% thicker than stock for superior heat dissipation and reduced exhaust gas temperatures under heavy load
- Cast Aluminum End Tanks: Precision-machined to resist cracking from high boost pressures and temperatures up to 500°F
- Enlarged Inlet Outlet: Hot-side inlet increased 6mm cold-side outlet by 12mm for unrestricted airflow and quicker turbo spool
- Cold-Side Adapter Pipe: Includes DuraCore™ boot constant-tension T-bolt clamps and two bungs for sensors or water-methanol injection
- Stealth Black Finish: Powder-coated for corrosion resistance and aggressive underhood style
Product Notes
- Direct bolt-on replacement no cutting or permanent modifications required
- Bungs on adapter pipe are plug-sealed drill and tap as needed for custom tuning
- Core measures 27.5in x 11.0in x 2.7in overall 39.5in x 13.0in x 4.0in
Installation Notes
- Professional installation recommended.
- Requires basic hand tools 2-4 hours for experienced installers
- All necessary hardware brackets and clamps included for direct fit
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?
- Proven track record in diesel performance with dedicated Duramax lineup
- Bar-and-plate core construction for real-world cooling gains
- Lifetime Warranty covers defects in materials and craftsmanship
Frequently Asked Questions
- Q: Does this fit my 2018 Silverado 2500 HD L5P Duramax?
A: Yes it bolts directly to all 2017-2019 Chevy Silverado 2500 HD 3500 HD and GMC Sierra 2500 HD 3500 HD models with 6.6L L5P diesel engine regardless of submodel - Q: What material is the intercooler made from?
A: Durable cast aluminum end tanks with high-density bar-and-plate core and TIG-welded construction finished in black powder coat - Q: What warranty comes with this intercooler?
A: Mishimoto Lifetime Warranty protects against defects when installed and used properly registration recommended
Shipping & Handling
- Method: Freight carrier truck shipping due to size
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed 50 x 14 x 14 inches
- Weight: 52 lbs shipping weight 45.2 lbs product weight
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