51078 – 2003 – 2009 LG4 7.8L Duramax Performance Module
7.8L Duramax

LG4 Engines


2003 - 2009

Part # 51078

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 / 10% HP / 20% HP / 30% HP
  • 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 51078 Performance Module fits LG4 7.8L Duramax from 2003 thru 2009.  This diesel performance module is designed for fuel economy with up to 90 increase in hp and fuel savings up to 1-3 MPG. Adjustable with a four-position switch you can adjust the power on the fly, Stock, +10%, +20%, & +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. These savings ensure a quick return on investment so you can enjoy greater efficiency and less cost. Plug-and-play connectivity means there’s no need to cut, splice or modify engine wiring.  All Ag Diesel Solutions modules are Made in the U.S.A.

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

51078

51078 – 2003 – 2009 LG4 7.8L Duramax Performance Module