STP Diesel Fuel Treatment and Injector Cleaner: Is formulated to help prevent deposit build-up and corrosion in diesel engines. Without cleaning, deposits can harm performance and waste fuel. STP stands for Scientifically Treated Petroleum. Formed in 1954 in the United States the company has a strong history with motor racing that has allowed it to demonstrate the high quality nature of its products.
Save fuel by keeping injectors clean
Maintain performance by preventing deposit build-up, corrosion and rust
Fight fuel line freeze and wax gel formation
Fight injector and pump wear by improving the lubricity of diesel fuel
Specifically formulated for diesel engines