Diesel Fuel System Cleaner

Diesel Fuel System Cleaner

Nulon Diesel Fuel System Cleaner is a superior fuel additive that provides a high level of protection and performance for all diesel engines. The advanced additive cleans injectors and inhibitor technology protects against corrosion and algae formation whilst lubricating the fuel system - including ultra fine common rail injectors. 


  • Cleans & lubricates entire fuel system in one tankful
  • Improves diesel combustion performance
  • Improves fuel economy
  • Protects against wear, corrosion and algae contamination
  • Treats up to 100 litres - over treatment will not cause damage
  • Compatible for all modern diesel vehicles and bio-diesels

DIRECTIONS FOR USE: Simply add to a full tank of fuel. 1 bottle treats 100 litres. Use as required or once every 10,000 km. 

For advice, contact a Poisons Information Centre (Phone e.g. Australia 131 126; New Zealand 0800 764 766) or a doctor (at once).

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Frequently Asked Questions

My diesel is blowing black smoke, what product can help this?

4 years ago

Black exhaust smoke is often caused by fouled injectors. Diesel Injector Cleaner, Diesel Fuel System Cleaner and Pro-Strength Diesel Fuel System Extreme Clean can remove injector deposits and help reduce black exhaust smoke.

19 of 25 people found this helpful
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Related Questions

Will Nulon fuel treatments give my vehicle better fuel economy?

4 years ago

By cleaning fuel system deposits Nulon fuel treatments can restore fuel economy that has been lost do to fuel system deterioration. Nulon octane and cetane boosters can improve fuel quality which can lead to increased fuel economy.

19 of 20 people found this helpful
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What if I accidently place a fuel treatment in my engine oil?

4 years ago

It will dilute the engine oil, effecting its viscosity and ability to protect vital components. We recommend replacing engine oil and filter before driving.

19 of 21 people found this helpful
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My car needs a lead replacement product to protect valves. What can I use?

4 years ago

Lead Substitute Valve Saver makes unleaded petrol suitable for use in older cars which were designed to operate on leaded petrol. It is also suitable for valve protection of LPG powered engines when added via under-bonnet lubricator kits.

7 of 8 people found this helpful
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