STP Diesel Ultra 5in1 Treatment 400ml GST77400EN

Our most advanced diesel system cleaner — five benefits in one bottle.

STP® Ultra 5-in-1 Diesel System Cleaner is engineered with a special blend of high-performance detergents, cetane and lubricity improver. One treatment saves fuel, restores performance, cleans deposits, reduces friction and inhibits corrosion — giving your diesel engine the ultimate clean-up.

• Saves fuel and reduces fuel consumption
• Restores engine performance
• Cleans harmful deposits from the fuel system
• Reduces friction with STP® WEARGUARD technology
• Inhibits corrosion with added cetane improver
• Ideal for retail and trade