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Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
Mishimoto Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver
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Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver

Mishimoto
MISMMINT-DMAX-17SL
840197701461
Intercoolers
20+ Units In Stock - Ships Next Business Day
$ 1,509.00 $ 1,371.95
$ 1,371.95

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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