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Ignitions and Electrical› Computers, Chips, Modules and Programmers

PSI Power

~(1.3 lbs. 9X7X3)~ CAPS8390 (Caps Pump-Ag use only)

$1,243.75 $995.00 Save $248.75

SKU: P05A CAPS8390

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 PSI Power CAPS8390 is a performance module engineered to enhance the power and efficiency of 8.3L and 9.0L Cummins engines equipped with a CAPS (Cummins Accumulator Pump System) fuel pump. This module is designed for heavy-duty applications, particularly in agricultural machinery manufactured by Case IH and New Holland. It aims to optimize engine performance through electronic tuning.

Fitment

Fitment Guaranteed

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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 CAPS8390

Videos

Case IH MX270 -- CAPS8390 Module Installation

Case IH MX270 -- CAPS8390 Module Installation

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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