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

Off-Highway Engines

With HEUI Fuel Systems


Part # CAT4090

FREE ! - SHIPPING !

Ag Diesel Solutions - Dealer
Lowest Price - Purchase Here ! Free Ship ! - Pay No Sales Tax !


  • UP to 20% Fuel Savings. 
  • - Save .50 Cents a Gallon.
  • 30% Horse Power Gain ! ( dyno )
  • - Stock / 15% / 30%
  • Torque is Double HP Gain! 
  • - Lets You Move Loads Safer.
  • Low Exhaust Gas Temps. 
  • - Cooler Engine / Longer Engine Life.
30 day Customer Satisfaction - CAT Diesel Chips
You have 30 days to be Satisfied with the RESULTS
Life Time Warranty - Cat Power Performance Chips
Free From Defect in Materials & Workmanship.

Order Securely on Line / or Phone: 1-877-788-8359


The CAT4090 Performance Module fits C9 ACERT Caterpillar off-highway engines with HEUI fuel systems . This diesel performance module is designed for fuel economy with up to 30% increase in hp and fuel savings up to 10%-20%. Adjustable with a three position switch, Stock, +15%, & +30% hp. The module doesn’t flash the ECM, instead it receives the data from the ECM, optimizes the signal to the engine improving the fuel efficiency and power. So it does indeed promise to pay for itself in pretty short order. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.


10 Minute Install - UP TO 30% HP - UP TO 20% Fuel Savings !
NO FOOTPRINTS WHEN REMOVED - ON SALE NOW !


CAT4090

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