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Performance Intercooler, fits Chevrolet/GMC 6.6L Duramax L5P 2017-2019

Model
MMINT-DMAX-17K
As low as $1,732.95 Regular Price $2,041.39
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Key Features
Features
  • Direct fit for 2017-2019 Chevrolet/GMC 6.6L Duramax L5P
  • Includes performance intercooler, hot and cold-side intercooler pipes, and DuraCore boots
  • Reduces restriction by up to 64-percent over stock intercooler system
  • 68mm-thick bar-and-plate core is 70-percent thicker than stock for maximum cooling
  • 3.0-in mandrel-bent aluminum pipes eliminate restrictive bends and resonators
  • Larger intercooler inlet and outlet reduce restriction for improved flow
  • Pipes include 3 additional bungs that can be drilled and tapped for sensors or water/meth injection
  • Robust cast-aluminum end tanks resist cracking under high heat and pressure
  • Eliminates failure-prone stock throttle valve connector
  • Retains temp sensor harness mount for safe and secure wire routing
  • CNC-machined quick-disconnect with new O-ring and spring clip ensures precise, leak-free fit
  • Includes Mishimoto silicone boots with DuraCore technology and Mishimoto constant-tension T-bolt clamps
  • Available in durable silver or black powder-coated finish
  • Patent Pending
  • Mishimoto Lifetime Warranty

Installation Difficulty: Hard

Key Features
  • Direct fit for 2017-2019 Chevrolet/GMC 6.6L Duramax L5P
  • Includes performance intercooler, hot and cold-side intercooler pipes, and DuraCore boots
  • Reduces restriction by up to 64-percent over stock intercooler system
  • 68mm-thick bar-and-plate core is 70-percent thicker than stock for maximum cooling
  • 3.0-in mandrel-bent aluminum pipes eliminate restrictive bends and resonators
  • Larger intercooler inlet and outlet reduce restriction for improved flow
  • Pipes include 3 additional bungs that can be drilled and tapped for sensors or water/meth injection
  • Robust cast-aluminum end tanks resist cracking under high heat and pressure
  • Eliminates failure-prone stock throttle valve connector
  • Retains temp sensor harness mount for safe and secure wire routing
  • CNC-machined quick-disconnect with new O-ring and spring clip ensures precise, leak-free fit
  • Includes Mishimoto silicone boots with DuraCore technology and Mishimoto constant-tension T-bolt clamps
  • Available in durable silver or black powder-coated finish
  • Patent Pending
  • Mishimoto Lifetime Warranty

Product Description

Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolute workhorse. However, as with any factory vehicle, some systems have limitations and areas that can be improved. Our engineering team has specifically identified the L5P's intercooler system as one of these areas. As a result, we've developed a performance intercooler kit for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P.

This kit includes a massive 68mm-thick bar-and-plate intercooler with cast-aluminum end tanks and 3.0" mandrel-bent piping for maximum cooling and flow. Our intercooler is 70% thicker than stock and is designed to be a robust unit capable of withstanding high temperatures and boost pressures without cracking. In addition, our end tanks also feature larger inlets and outlets for even more flow. That, coupled with the larger intercooler core, reduces restriction by over 64% compared to the stock intercooler.

Our kit also includes hot-side and cold-side intercooler piping with DuraCoreâ„¢ boots and constant-tension T-bolt clamps. Our 3.0" mandrel-bent aluminum piping eliminates the restrictive stock resonator and improves flow by up to 55% over stock. The Mishimoto L5P Duramax intercooler pipes fit like stock thanks to the included CNC-machined quick-disconnect fitting with new O-rings and spring clip, bead-rolled pipe ends, and mounting locations for factory sensors and harnesses. Our pipes also include three bungs that can be drilled and tapped for sensors or water/meth injection.

The Mishimoto 6.6L Duramax L5P Performance Intercooler Kit is a direct fit for your 2017-2019 Chevrolet or GMC HD truck* and is a fantastic upgrade for both stock and heavily modified trucks. Like all our Duramax performance parts, this L5P intercooler kit is protected by our signature Mishimoto Lifetime Warranty.
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TECH SPECS

More Information
ApplicationsGMC Sierra 2500HD V8 (6.6L Diesel) 2017-2019
GMC Sierra 3500HD V8 (6.6L Diesel) 2017-2019
Chevrolet Silverado 2500HD V8 (6.6L Diesel) 2017-2019
Chevrolet Silverado 3500HD V8 (6.6L Diesel) 2017-2019
Engine CodesL5P
Chassis CodesGMT K2
Note
Some trimming of the fan shroud may be required for installation.
Overall Length (in)45.8
Overall Height (in)23.85
Overall Width (in)4.92
Core TypeBar-and-Plate
Core Thickness (in)2.67
Core Length (in)20
Core Height (in)11
Inlet (in)3
Outlet (in)3.25
Installation Notes
27 in-lbs (3NM) recommended for all T-bolt and constant-tension T-bolt clamps. These clamps have an operating range of 18-35 in-lbs (2-4NM). Do not exceed the maximum torque rating of 35 in-lbs (4NM).

Downloads

Downloads
Installation Guides
pdf
(Size: 9.1 MB)
Installation Guides

Purchase Includes

(1) Mishimoto Intercooler
(1) Cold-Side Intercooler Pipe Adapter
(2) Cold-Side Intercooler Pipe
(2) Hot-Side Intercooler Pipe
(3) Cold-Side Intercooler Boot
(3) Hot-Side Intercooler Boot
(13) Constant-Tension T-Bolt Clamp
(2) Intercooler Core Spacer
(2) M8 X 1.25 X 20mm Bolt
(2) M8 X 1.25 X 35mm Bolt
(2) M8 X 1.25 X 60mm Bolt
(6) M8 Washer
Mishimoto Lifetime Warranty

Note:

Some trimming of the fan shroud may be required for installation.

ENGINEERING

Warranty

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.

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