Description
The Mishimoto MMINT-DMAX-17KBKP Performance Intercooler Kit is purpose-built for the 2017-2019 Chevrolet and GMC 6.6L Duramax L5P, replacing the factory intercooler system with a 68mm-thick bar-and-plate core and cast-aluminum end tanks. Engineered to reduce restriction by up to 64-percent versus the stock intercooler, this kit pairs the massive core with 3.0-inch mandrel-bent aluminum piping and Mishimoto DuraCore silicone boots for a direct-fit forced induction upgrade.
Whether your L5P is bone stock or heavily modified, this forced induction system is designed to keep charge air cooler under sustained towing and hauling loads. The 68mm core is 70-percent thicker than the factory unit, and larger end-tank inlets and outlets work together with the mandrel-bent piping to improve flow by up to 55-percent over the stock induction system. CNC-machined quick-disconnect fittings with new O-rings and spring clips let the Mishimoto pipes retain the factory fit and sensor/harness mounting locations, while three additional bungs give tuners room to add sensors or water/meth injection without hunting for space in a cramped engine bay. As a performance induction upgrade from Mishimoto, this kit is engineered specifically for the L5P’s cooling limitations rather than as a generic bolt-on.
Vehicle Applications
This kit is a specific fit for the 2017-2019 Chevrolet Silverado 2500 HD and 3500 HD, covering the WT, LT, LTZ, and High Country trims, and the 2017-2019 GMC Sierra 2500 HD and 3500 HD, covering the Base, SLE, SLT, and Denali trims. All covered trucks use the 6.6L Duramax L5P engine, identified by engine code L5P and chassis code GMT K2. No other years, makes, or models are covered by this kit.
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 the stock intercooler system
- 68mm-thick bar-and-plate core is 70-percent thicker than stock for maximum cooling
- 3.0-inch mandrel-bent aluminum pipes eliminate restrictive bends and the stock resonator, improving flow by up to 55-percent over stock
- 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 secure wire routing
- CNC-machined quick-disconnect fitting with new O-ring and spring clip for a leak-free fit
- Includes Mishimoto silicone boots with DuraCore technology and constant-tension T-bolt clamps
- Available in Black Intercooler with Polished Pipes finish option
- Protected by the Mishimoto Lifetime Warranty
Specifications
- Core Construction: Bar-and-Plate
- Core Material: Aluminum
- Core Color: Black
- Core Height: 11 in
- Core Length: 20 in
- Core Thickness: 2.67 in
- Intercooler Type: Air-to-Air
- End Tank Material: Aluminum
- End Tank Construction: Cast
- Outlet Diameter: 3.25 in
- Cold-Side Pipe Inside Diameter: 3.25 in
- Pipe Material: Aluminum
- Pipe Color: Polished
- Pipe Finish: Powder Coated
- Coupler Material: Silicone
- Coupler Color: Black
- Hose Clamps Included: Yes
- Grade Type: Performance
- Overall Length: 45.8 in
- Overall Width: 4.92 in
- Overall Height: 23.85 in
- Weight: 80 lbs
- Engine Code: L5P
- Chassis Code: GMT K2
- Installation Note: Some trimming of the fan shroud may be required for installation
- Clamp Torque: 27 in-lbs (3NM) recommended for all T-bolt and constant-tension T-bolt clamps; operating range 18-35 in-lbs (2-4NM); do not exceed 35 in-lbs (4NM)
- Patent No. US D1,077,860S
- 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
Frequently Asked Questions
What vehicles fit the Mishimoto MMINT-DMAX-17KBKP intercooler kit?
It’s a specific fit for 2017-2019 Chevrolet Silverado 2500 HD and 3500 HD (WT, LT, LTZ, High Country) and 2017-2019 GMC Sierra 2500 HD and 3500 HD (Base, SLE, SLT, Denali), all with the 6.6L Duramax L5P engine.
What is included in the kit?
The kit includes one Mishimoto intercooler, one cold-side intercooler pipe adapter, two cold-side intercooler pipes, two hot-side intercooler pipes, three cold-side intercooler boots, three hot-side intercooler boots, 13 constant-tension T-bolt clamps, two intercooler core spacers, mounting bolts and washers, and the Mishimoto Lifetime Warranty.
How much thicker is the Mishimoto intercooler core than the factory unit?
The 68mm-thick bar-and-plate core is 70-percent thicker than the stock L5P intercooler core.
Does installation require any modifications?
Some trimming of the fan shroud may be required for installation.
What is the recommended clamp torque for installation?
Mishimoto recommends 27 in-lbs (3NM) for all T-bolt and constant-tension T-bolt clamps, with an operating range of 18-35 in-lbs (2-4NM); do not exceed 35 in-lbs (4NM).
What warranty covers this intercooler kit?
This kit is protected by the Mishimoto Lifetime Warranty.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.














