DYNO & STREET PROVEN
INCREASED HP & TORQUE
Optimized Fuel Efficiency
BETTER THROTTLE RESPONSE
1998-2005 CAT 3126 C7 & C9 RV Ag Diesel Solutions Performance Module 51000
$589.89
Module for RV / Motorhomes
Up to 10-13% MPG fuel savings
On the fly horsepower adjusting!
TUNER & TUNES PROCESS
Order & Receive Your Tuner
Place an order for your tuner with custom tunes from 5 Star Tuning today. Once your order is confirmed, we’ll promptly send you a blank tuner device that’s ready to be personalized just for your vehicle.
ECU Strategy & Calibration Form
Connect your tuner to your vehicle to pull the ECU strategy code and ECU SWPN (if needed). Then, complete our simple calibration form with your vehicle details, and we’ll create the perfect custom tune.
Download & Install Your Custom Tune
Once we’ve created your custom tune, we’ll email you the file. Simply download it to your PC, use the device updater software to load the tune into your tuner, and then install it into your vehicle for an optimized performance experience. If you need help, visit our support page. Now you’re ready to hit the road with a fully optimized tune!
5 STAR TUNING
Let our valuable customers do the talking..Frequently asked questions
The 51000 Truck Edition Performance Module fits Caterpillar 3126, C7 & C9 engines from 1998 thru 2005 . 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 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 PSI Power Modules are Made in the U.S.A.
Best of all PSI Power Modules includes:
30-day money-back guarantee
3 Year warranty
U.S. based customer service
Install Videos
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Install Instructions
| 51000.install.instructions updated 2/15/2023 |
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Additional information
| Medium Duty/RV Manufacturers | Caterpillar |
|---|---|
| Medium Duty/RV Engines | 7.2L CAT 3126 B & E, C7 CAT w/HEUI Fuel System, C9 CAT ACERT w/HEUI Fuel System |
| Years | 7.2L CAT 3126 B & E (1998-2002) C7 CAT w/HEUI Fuel System (2003-2005) C9 CAT ACERT w/HEUI Fuel System (2004-2005) |
| Weight | 4 lbs |
|---|---|
| Dimensions | 12 × 8 × 3 in |
| brand |
How Long Does Installation Take? The installation will take approximately 5-10 minutes for SCT, around 30 for HP.
Do I Need A Shop To Install? The installation process of the tuner is simple and can be performed by anyone. No tools are required for the installation.
What If I Have Other Technical Questions? We can always be reached at (843) 536-1244 or via email at [email protected] for questions on concerns on the tuning process. We also feature a support page with information and videos pertaining to loading your custom tunes, updating your device, installation, etc at https://5startuning.com/support/.
Note: SCT’s software is only compatible with Microsoft’s Windows operating systems. For OS other than Windows, we recommend the SCT/Bully Dog/5 Star Tuning The Bully Dog BDX will support custom tuning via Wi-Fi. *** FOR HP RTD TUNERS: Wi-Fi is required to read and write to your vehicle. Ensure you have a strong Wi-Fi connection and your Windows laptop (required) battery is charged or that your laptop is currently charging.









