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Description
AirDog® Caterpillar Secondary Fuel System Upgrade Kit
Give your engine the performance, efficiency, and life expectancy boost both you and your big rig deserve with AirDog® Fuel Systems!
- AirDog® Caterpillar Secondary Fuel System Upgrade Kit
- Fits AirDog® FPII & Champ II™ Systems (Caterpillar Engines Only)
- Available for Standard or 40-Pin ECM Versions (Choose Above)
- Promotes Optimal Fuel Flow To The Injection System, Ensuring The Engine Is Never Starved For Fuel
- Pressure Shim Kit Included For Adjusting Fuel Rail Pressure
- Includes Fuel Line And Ported Fittings
- Prevents Injector Lag And High Fuel Consumption
- Replaces #6 To #8 Line
- Sold As A Kit
- High-Quality American Made Product
If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990
Warranty Information
The AirDog® Fuel Preporator® fuel system comes with a four-year limited warranty.
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AirDog Caterpillar Secondary Fuel System Upgrade Kit How would you rate this product?
Please fix above errors. 
Aziz K. Verified Customer 
12-03-23
All good
Gary G. Verified Customer 02-06-23
Easy install. Really helped the rough idle. Sounds like a different truck. Haven't checked fuel mileage yet. Very pleased.
Shane W. Verified Customer 11-02-24
Great service and a very good product
