Schaeffer's 137ND Diesel Treat 2000™ Ultra Low Sulfur (1-Gallons) is an ashless, all-season fuel additive. It is formulated for use with all types of diesel fuel, especially low sulfur and ultra low sulfur diesel fuels.
Schaeffer’s Diesel Treat 2000 contains a highly concentrated, multi-functional additive package. It is blended with Schaeffer’s patented SynShield® formula. This unique formula disperses existing injector clogging and plugging. It provides superior keep clean performance throughout the entire fuel system. SynShield® surpasses industry standards for fuel lubricity and emissions. It also provides extra protection against fuel system wear and injector scoring. 
One Gallon Treats 2000 Gallons of Diesel Fuel
Meets Peugeot DW-10 detergency specifications
Improved fuel economy up to 5%
Upgrades #2 diesel to premium
Meets Cummins L-10 Superior Performance
Cleans Injectors
Cetane improver up to 4 points
Contains less than 15ppm of Sulfur