Enjoy 6–10% better fuel economy and maximize power and response with AR6500 Diesel Treatment.

Upgrade Your Diesel with AR6500
- AR6500’s detergent package removes internal and external deposits from injectors and restores turbo and DPF function.
- Corrects injector spray patterns for improved power, response and MPG.
- AR6500 boosts cetane by up to 8 points, raising standard U.S. diesel (CN 40–45) to the range modern engines require (CN 48-55) for improved MPG, reduced soot, and fewer DPF regens.
- Use at every fill-up. 1 oz of AR6500 treats 10 gallons of diesel.
WHAT YOU'LL NOTICE
- More miles per tank (6–10% fuel economy improvement is typical)
- Stronger throttle response and less turbo lag
- Longer intervals between active DPF regenerations
- Quieter, smoother-running engine operation
AR6500 Diesel Treatment enhances all aspects of diesel performance – including lubricity.
Independent ASTM testing shows AR6500 reduces wear by 43%, protecting high-pressure pumps (including the CP4) and injectors from catastrophic failure.
AR6500 is the #1 Best-Seller
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For more information and test results, visit the AR6500 Diesel Treatment page.