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Mishimoto 17-19 GM L5P Duramax Intercooler Kit | Chevrolet/GMC 6.6L Duramax L5P (14-19) (MMINT-DMAX-17KSL)

Mishimoto 17-19 GM L5P Duramax Intercooler Kit | Chevrolet/GMC 6.6L Duramax L5P (14-19) (MMINT-DMAX-17KSL)

SKU:MMINT-DMAX-17KSLBK

In stock

Regular price $1,932.19 USD
Regular price $2,258.00 USD Sale price $1,932.19 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Mishimoto 17-19 GM L5P Duramax Intercooler Kit is a high-performance upgrade designed to enhance the cooling efficiency of the 6.6L Duramax L5P engine found in Chevrolet and GMC trucks from 2017 to 2019. Constructed with a massive 68mm core and precision TIG-welded aluminum end tanks, this intercooler kit offers improved heat dissipation and reduced intake air temperatures. Its robust design ensures reliable performance under heavy payloads and demanding conditions, making it an ideal upgrade for towing, hauling, or high-performance applications. The kit's construction emphasizes durability and efficient airflow, contributing to increased engine power and longevity.

This intercooler kit is a direct bolt-on replacement for the factory component on 2017-2019 GM Duramax L5P models. It is compatible with vehicles equipped with the 6.6L diesel engine and is suitable for both street and off-road use. The kit includes all necessary mounting hardware and intercooler components for straightforward installation. Designed to improve overall engine efficiency and response, this upgrade is perfect for owners seeking to optimize their truck’s performance and reliability during heavy-duty tasks or extended driving.

Overview

Mishimoto Intercooler Kit

Fits 2017–2019 Chevrolet/GMC 6.6L Duramax L5P

Part #: MMINT-DMAX-17KSLBK

Overview

The Mishimoto 17-19 GM L5P Duramax Intercooler Kit is a high-performance upgrade designed specifically for the 6.6L Duramax L5P engine. Engineered to improve charge air cooling efficiency, this intercooler kit helps your heavy-duty truck achieve better power delivery, enhanced throttle response, and more consistent performance under demanding conditions. Whether you're towing, hauling, or seeking to optimize your vehicle’s reliability, this intercooler provides a robust solution that supports your vehicle’s heavy-duty capabilities while maintaining durability over years of service. This kit is ideal for truck owners looking to maximize their engine’s efficiency and response, especially during heavy payloads or extended driving sessions. Its design emphasizes improved airflow management and heat dissipation, helping to keep intake temperatures lower and engine performance steady.

Key Features

This Mishimoto intercooler kit features a thoughtfully engineered design with high-quality materials to ensure longevity and optimal performance. The core is constructed from aluminum for excellent heat transfer, and the assembly includes precision-welded WBK pipes for seamless airflow. The kit’s robust construction supports sustained high-performance operation, making it suitable for both daily driving and demanding workloads.
  • Heavy-duty aluminum core for superior heat dissipation
  • Precision-welded WBK pipes for optimal airflow
  • Designed specifically for the 2017-2019 GM Duramax L5P
  • Enhanced cooling capacity to support increased power and payloads
  • Durable construction for reliable long-term performance
  • Easy installation with factory-fit compatibility

Construction & Design

The intercooler features a high-density aluminum core designed for maximum heat transfer and durability. The WBK pipes are engineered for seamless integration, ensuring minimal pressure loss and efficient airflow. The overall design emphasizes structural integrity and effective heat management, supporting the engine’s performance under heavy loads.

Installation & Fitment

This kit is designed for straightforward installation on the specified model years, with precise fitment that aligns with factory mounting points. Proper installation may require basic tools and mechanical knowledge, but no custom modifications are typically necessary.

What’s Included

The package includes the intercooler core, WBK pipes, mounting hardware, and detailed installation instructions, providing everything needed for a secure and effective upgrade.
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