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Ignitions and Electrical› Computers, Chips, Modules and Programmers

PSI Power

~(2 lbs. 10X8X4)~ 21700 (2017-2020) GM L5P Duramax Engine Module)

$535.50 $428.40 Save $107.10

SKU: P05A 21700

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Agricultural Diesel Solutions ARE21700 Tuner is designed for 2017-2019 6.6L L5P Duramax engines, offering up to 90hp gains and 3-4 mpg improvement with a four-position adjustable switch.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandPSI Power
Part NumberP05A 21700

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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