Restores lost power & fuel economy. With Slickdiesel Lubricator. To protect pumps and injectors. Treats up to 40 gallons. Diesel Kleen +Cetane Boost is a total injector cleaner and performance improver. Endorsed by Cummins for diesel engines. Cleans dirty injectors and prevents injector sticking. Removes both internal and external deposits on fuel injectors. Boosts cetane up to 6 numbers. Boosts power. Restores lost power and fuel economy. Prevents asphaltene formation and thermal breakdown for diesel fuel. Contains Slickdiesel Lubricator to protect fuel pumps and injectors from increased wear caused by poor quality Ultra Low Sulfur Diesel (ULSD) fuel. Effective in all diesel fuels. Safe for use in all diesel engines. Will not void engine manufacturer's warranty when used as directed. This diesel fuel additive complies with the Federal low sulfur content requirements for use in diesel motor vehicles and nonroad engines. Performance. www.powerservice.com. Go to powerservice.com to learn more about our year-round maintenance schedule. Endorsed by Cummins.