Gunk M2412 Fuel Conditioner, 12 oz, Bottle (Pack of 12)

Diesel-Tone diesel fuel conditioner is a new and improved diesel fuel conditioner formula for automotive and all diesel engine fuel systems. Designed to keep injectors clean, prevent rust and corrosion, restore proper combustion and dissolve gum and varnish. This diesel fuel additive complies with the federal low sulfur content requirements for use in diesel motor vehicles and non-road engines.