Features a unique detergent that prevents injector deposits by dispersing particles and contaminants in the fuel, allowing them to pass through injectors without clogging. Not only does Injector Defender Diesel provide protection against new deposits, it can also clean up current ones, restore diesel engine performance and improve fuel mileage. In addition, Injector Defender Diesel boosts Cetane, improves low temperature fuel flow, and increases lubricity to reduce injector and fuel pump wear. Injector Defender Diesel is a true all-in-one Diesel performance fuel additive. Each 10-ounce bottle of Injector Defender Diesel treats up to 100 gallons of fuel.