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Ignitions and Electrical› Computers, Chips, Modules and Programmers

PSI Power

~(2.5 lbs. 14X10X5)~ SISU1684 (16.8L Tier IV V12 Engine Module)

$3,243.75 $2,595.00 Save $648.75

SKU: P05A SISU1684

In Stock
In Stock
Ships by Jun 10
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Ag Diesel Solutions SISU1684 Performance Module optimizes 16.8L Sisu Tier IV engines for increased power, improved efficiency, and enhanced reliability. It features a plug-and-play design with a 3-position switch for adjustability, does not require ECM flashing, and does not bypass, delete, or defeat any emission control systems. Developed, tested, and manufactured in the U.S.A., it includes a 3-year limited warranty and a 30-day satisfaction guarantee.

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 SISU1684

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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