Diesel Kleen cleans dirty fuel injectors and boosts cetane for improved power, fuel economy, and faster cold starts. The concentrated formula treats up to 100 gallons of diesel fuel and works in both high-pressure common rail (HPCR) and older injection systems.

• Cleans internal and external fuel injector deposits
• Boosts cetane up to 6 numbers for better combustion
• Restores lost power and fuel economy
• Slickdiesel Lubricator protects pumps and injectors from ULSD wear
• Prevents injector sticking in HPCR and older systems
• Reduces need for downshifting
• Safe for all diesel engines, ULSD, and biodiesel blends
• 26 oz treats up to 100 gallons

Note: For year-round use. In cold weather below 30 deg F, use Power Service Diesel Fuel Supplement for anti-gel protection.