10/20/2026
Not all diesel fuel additives are designed to do the same job! ⛽
Whether you're looking to maintain peak performance or give your fuel system a much-needed deep clean, 4+ has a solution for both.
🔴 Looking for Everyday Performance? Choose 4+ Premium.
Our all-in-one, all-season diesel fuel additive is designed for ongoing fuel system protection and performance, helping to:
- Clean fuel injectors and prevent deposits
- Improve lubricity and boost cetane
- Stabilize fuel during operation and storage
- Support fuel economy and engine performance
🚜 Perfect for regular use in trucks, tractors, heavy equipment, generators and other diesel-powered machinery.
🟡 Need a More Intensive Clean? Choose 4+ Super Clean.
Our highly concentrated, super-strength diesel fuel system cleaner is designed to tackle stubborn deposits and restore performance, helping to:
- Rapidly clean injectors and fuel system components
- Remove and prevent gum, varnish and deposits
- Address rough running and recover lost performance
- Lubricate and protect the fuel system while cleaning
🔧 Ideal for equipment experiencing performance issues, preventative shop maintenance or a periodic deep clean.
💡 DID YOU KNOW? THEY WORK GREAT TOGETHER! 💡
Start with 4+ Super Clean for a concentrated fuel system clean-up, then switch to 4+ Premium for continuous maintenance, protection and performance.
One cleans things up. The other helps keep them that way.
🇨🇦 Proudly formulated in Canada for the equipment that keeps Canadians moving. 🇨🇦
👉 Find the right 4+ Fuel Additive for your equipment:
https://www.dieselservices.com/pages/4-fuel-additives