Rated 5/5 by our customers

DIESELR Commander Tune Files (2017-2019 Duramax L5P)

Overview: The DIESELR Commander Tune Files for 2017-2019 Duramax L5P engines are expertly crafted to unlock your truck's full potential. These tune...

Regular price $1,181.32
SKU: DSLRT-200610
In stock

Shipping calculated at checkout.

Final Sale — No Returns or Exchanges

Product Description

Overview:

The DIESELR Commander Tune Files for 2017-2019 Duramax L5P engines are expertly crafted to unlock your truck's full potential. These tunes are designed to provide significant gains in power, torque, and efficiency, ensuring your Duramax performs at its best in any driving condition.

Compatibility:

Specifically designed for 2017-2019 Duramax L5P engines. Ensure your vehicle is compatible before purchasing.

Installation:

Unlock the ECM & Flash the tune files directly using the GDP Commander device. No need to send in your ECM.

What's Included:

  • Tune files only

What You Need:

  • GDP Commander
  • 8 Commander Credits (To Flash Tune Files)
  • 4 Commander Credits (To Unlock ECM)
Please Note: If you purchase the GDP Commander device, it comes with 8 credits included.

Levels available:

  • Level 1 - 0 HP
  • Level 2 - 50 HP
  • Level 3 - 80 HP
  • Level 4 - 120 HP
  • Level 5 - 180 HP
  • SOTF

Features:

  • Significant improvements in horsepower and torque
  • Enhanced fuel efficiency and throttle response
  • Reliable and safe power delivery, optimized for your vehicle

Unmatched Tech Support:

We pride ourselves on having the biggest tech support team in the industry, ready to assist you at every step.

Why Choose ProTech Diesel?

Trusted diesel performance parts & expert support for your truck upgrades

  • Premium Performance Parts

    Every part in our catalog is hand-picked — tested, trusted. Shop Now →

  • Shipping & Delivery

    Fast, reliable shipping across the U.S & Canada. View Shipping Policy →

  • Support & Help

    Got questions about a part, tune, or your order? Contact Us →