Ultra Diesel Heavy Duty Fuel System Cleaner

This multi-functional STP® diesel fuel additive is a complete fuel system cleaner that helps increase everyday fuel economy and fights gelling and wax formation to give improved winter operation of modern diesel engines down to -35°C.

HIGH-PERFORMANCE DETERGENTS HELP:

• Save fuel by keeping fuel injectors clean
• Maintain performance by preventing and cleaning deposit buildup
• Prevent corrosion & rust in the fuel system
• Reduce emission and power deterioration

FRICTION MODIFIER HELPS:

• Fight injector & pump wear by improving diesel fuel lubricity

IMPROVED WINTER OPERATION:

• Fights fuel gelling and wax formation to give improved winter operation down to -35°C
• Helps prevent fuel line freeze & reduce filter plugging

TREAT RATE: 1.89 L bottle treats up to 568 L of fuel.  For biodiesel blends always use a double dose