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USD 229
Part #: HYP752503

Hypertech 752503 Speedometer Calibrator

2007.5-2017 Dodge 6.7L Cummins
Part #: HYP752503
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The Hypertech 752503 Speedometer Calibrator for your 2007.5-2017 Dodge 6.7L Cummins will correct the speedometer and odometer for tires up to 44 inches (depending on the application), and/or non-stock rear gear ratios. The Hypertech Calibrator is specially engineered for consumers that want the speedometer recalibration functions of the Max Energy Programmer without the additional expense of the other tuning features. 

The Speedometer Calibrator includes a USB cable and a CD containing software to allow for quick updates and upgrades over the internet. For an added fee, the Speedometer Calibrator can be upgraded to a Max Energy Power Programmer via the internet to include all the Max Energy features available for that vehicle. Easily plug Hypertech's Speedometer Calibrator into the vehicles under-dash connector, select the new tire height and/or new rear gear ratio, and in a matter of minutes, the vehicles computer is reprogrammed for accurate readings (as required by law).

  • Internet Updateable
  • Return Back To Stock
  • Read and Clear DTC's
  • Included Computer Software
Additional Options:
Speedometer\Odometer Correction For Gears 3.31, 3.55, 3.73, 3.90, 4.10 & 4.30, 4.56,4.88:1
Speedometer\Odometer Correction For Tire Sizes 31.5-34 inches 1/4 inch increments
Return Back To Factory Settings - Return Back To Stock


  • MFG. Number 752503
  • Manufacturer Name Hypertech
  • Shipping Weight 1.00 lb.
  • Shipping Length 2.25 in.
  • Shipping Width 8.75 in.
  • Shipping Height 5.25 in.
  • Fuel Type Diesel
  • UPC 759609048578
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

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Most Popular Questions

Will this work on 2015 Rams? I have a 2015 Ram 2500 6.7L Cummins with 35 inch tires. Will this correct the speedometer on this model year?
View Staff Answer 

Yes, the Speedometer Calibrator would offer corrections for tires sizes 22.5-44 inches on this application.

Why do I need to change the gear ratio when changing from 3.42 to 4.10? Speedo shouldnt change?
View Staff Answer 
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Can you use this on 2 different trucks to adjust the tire size?
View Staff Answer 
This speedometer calibrator will VIN lock to the first truck you use it on. In order to use it on another truck, you would have to return the original truck back to stock. If you want to adjust tire size for two trucks, they would each require their own calibrator.
This cover allows about 6 quarts of capacity
Your trucks speedometer is programmed from the factory for the gears and tire size it was built with. Whenever you change one or both, your speedometer will be wrong. This speedometer calibrator allows you to change the parameters for your gears, tire size, or both in the ECU to correct the speedometer.
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.