The only treatment to clean, restore and boost the entire fuel system
AR6500 upgrades the quality of diesel fuel at every fill-up by providing a strong cetane boost, enhanced lubricity and a powerful detergent package.
AR6500 maintains clean injectors, and unlike other diesel additives, keeps your turbo and DPF free from carbon build-up.
Add at every fill-up to:
- Improve combustion efficiency
- Increase fuel economy
- Reduce DPF regeneration
- Protect the fuel system
- Extend component life
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Boost cetane to increase power and response
Most diesel engines require fuel with a cetane number (CN) of 48-50 to operate efficiently but fuel in the US typically has a CN of 40-45. A low CN results in poor combustion, causing soot deposits and carbon build-up in key fuel system components.
AR6500's cetane boost of up to 8 points is greater than other products on the market, helping to:
- Improve combustion efficiency
- Enhance fuel economy
- Increase power and performance
- Extend component life
Improve lubricity to extend fuel system life
Lack of lubrication in diesel fuel is a major issue for both older and newer vehicles, leading to excessive wear, costly repairs and potential failure of components including injectors and pumps.
AR6500 has been independently tested to reduce wear by 43%, reducing friction and wear on the fuel system in order to:
- Protect engine components
- Reduce maintenance costs
- Improve engine reliability
- Extend component lifespan
Clean injectors and restore spray patterns
Over time, carbon deposits form on diesel injectors. Dirty injectors can’t spray fuel into the engine correctly, leading to incomplete combustion and wasted fuel.
AR6500 not only keeps injectors clean but by increasing cetane and improving combustion, helps prevent further build-up of deposits.
- Improve fuel atomization
- Reduce carbon deposits
- Enhance fuel economy
The only treatment to clean the DPF and reduce regens
Carbon build-up in the Diesel Particulate Filter (DPF) reduces engine performance, lowers fuel economy, and leads to increased regeneration frequency.
AR6500 utilizes proprietary chemistry to remove carbon build-up from the DPF, in order to:
- Reduce regeneration frequency
- Restore MPG & performance
- Prevent DPF-related engine damage
- Increase DPF lifespan
Prevent turbo failure and restore boost
A dirty turbo restricts airflow, leading to reduced engine efficiency, increased fuel consumption, and turbo lag. Carbon deposits can also cause overheating and potential failure, resulting in costly repairs.
AR6500’s proprietary chemistry survives combustion and uses exhaust heat to remove carbon build-up from the turbo, helping to:
- Reduce turbo lag
- Restore boost
- Minimize wear and damage
- Restore optimal temperature
- Improve airflow efficiency
AR6500 FAQs
AR6500 improves lubricity in fuel, cleans and maintains the fuel system and adds cetane for a boost that can be felt at every fill-up. AR6400-D is a highly concentrated one-tank fuel system cleaner to be used every 5,000 miles for rapid cleaning of heavy carbon build-up.
AR6500 is suitable for all diesel vehicles, including newer systems such as High Pressure Common Rail.
AR6500 will remain stable indefinitely if kept away from sources of heat and sunlight.
No, AR6300 Winter Diesel Treatment is the product you need for cold weather. AR6300 contains all the benefits of AR6500 plus anti-gel protection up to -44ºF.
