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#CAT4090 – C9 ACERT Caterpillar off-highway engines with HEUI fuel systems – Performance Module

Regular price $1,933.00

The CAT4090 Performance Module fits C9 ACERT Caterpillar off-highway engines with HEUI fuel systems. This diesel performance module is designed for a fuel economy improvement of up to 20% and an adjustable horsepower increase of up to 30%. With the unique adjustable three position switch, you can adjust the power output on the fly from Stock, +15%,%, & +30% hp. The module doesn’t flash the ECM, instead it receives the factory data from the ECM, optimizes the signal to the engine improving the fuel efficiency and unleashes the horsepower your engine is capable of.

The inline Plug-and-Go connectivity means there’s no need to cut, splice or modify engine wiring. Best of all, all of our modules come with a Lifetime Warranty and a money back satisfaction guarantee.

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