GM Duramax

Get Connected with The World's Most Powerful Vehicle Scan Tool. EZ LYNK puts your technician in the front seat whenever and wherever you choose and is the vehicle interface for all EZ LYNK apps. The EZ LYNK Auto Agent 3 Vehicle Diagnostic Scan Tool...

The HP Tuners MPVI4 is the next-generation, all-in-one interface for scanning, diagnosing, data logging, and custom tuning your vehicle. Whether you're dialing in a diesel workhorse, a daily driver, a late-model muscle car, or powersports, the MPVI4 connects to your OBDII port and unlocks...

The HP Tuners RTD (Remote Tuning Device) is the easiest way to get professional, custom tunes loaded onto your truck — without a laptop and without a trip to the shop. Plug the RTD into your OBDII port, pair it with the free TDN...

HP TUNERS T87A TCM (UNLOCKED) for 2017+ GM vehicles.You will need this and (4) HP Tuners Universal Credits to tune your TCM/transmission.

FISH – 2011-16 DURAMAX LML SWITCH (BLACK/YELLOW)