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Crafted by our team of expert tuners
Includes CCD harness brackets
Hot Shot’s Secret NANO PRECISION CLP is a one-step cleaner
9L Cummins is built with OE style gaskets that are a direct replacement for your Cummins OE parts
DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) Platform:MPVI3 Crafted by our team ofImportant Compatibility & Unlock Information 20192023 L5P Duramax trucks, do not require the unlock cable. These models can be unlocked and tuned directly using HP Tuners standard MPVI3 process. Unlocking and flashing the ECM requires 6 Universal Credits. DIESELR MPVI3 Tune Files for 20202023 Duramax L5P 6. 6L For owners of 20202023 GMC Sierra and Chevrolet Silverado 2500 3500 trucks equipped with the Duramax L5P 6. 6L, DIESELR MPVI3 Tune Files