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. Mishimoto's engineering team has specifically identified the L5P's intercooler system as one of these areas. As a result, they'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. Their 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, their 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.
Mishimoto's kit also includes hot-side and cold-side intercooler piping with DuraCore boots and constant-tension T-bolt clamps. Their 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. The 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 of their Duramax performance parts, this L5P intercooler kit is protected by their signature Mishimoto Lifetime Warranty.
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Specifications
- ManufacturerMishimoto
- MPNMMINT-DMAX-17KBKBK | MMINT-DMAX-17KSLBK | MMINT-DMAX-17KBKP | MMINT-DMAX-17KSLP | MMINT-DMAX-17BK | MMINT-DMAX-17SL
- 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% over stock intercooler system
- 68mm-thick bar-and-plate core is 70% thicker than stock for maximum cooling
- Larger intercooler inlet and outlet reduce restriction for improved flow
- Robust cast-aluminum end tanks resist cracking under high heat and pressure
- Available in durable silver or black powder-coated finish
- Patent Pending
- Mishimoto Lifetime Warranty
- Pipes include 3 additional bungs that can be drilled and tapped for sensors or water/meth injection
- 3.0" mandrel-bent aluminum pipes eliminate restrictive bends and resonators
- 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
- (1) Mishimoto Intercooler
- (1) Cold-Side Intercooler Pipe Adapter
- (1) Cold-Side Intercooler Boot
- (3) 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
- (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
*Some trimming of the fan shroud may be required for installation.
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Mishimoto Performance Intercooler 17-19 GM 6.6L Duramax L5P
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