Bardahl Common Rail Diesel Additive 500ml

Bardahl Common Rail Diesel Additive 500ml

In stock
£17.99
£17.99
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  • Additive
  • Diesel Engine
  • Add to Fuel

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What It Does

Bardahl Common Rail Diesel Additive protects and lubricates modern diesel injection systems. Improves performance, cold starting, fuel economy and reduces exhaust fumes.

Instructions For Use

Pour the entire bottle into the fuel tank before refuelling. Fill the tank with diesel fuel. Drive normally, no special driving cycle required.

Problem

Modern diesel engines rely on high-pressure common rail injection systems that are extremely sensitive to fuel quality and lubrication. Over time, drivers may experience:

  • Hard or poor cold starting
  • Increased fuel consumption
  • Rough running or reduced performance
  • Excess exhaust smoke
  • Accelerated wear of injectors, valves and fuel system components

Possible Causes

  • Reduced sulphur levels in modern diesel fuel (lower lubrication)
  • Water contamination in fuel
  • High-pressure injector wear
  • Frequent short journeys and cold starts
  • Lack of preventive fuel system maintenance

Solution

Bardahl Common Rail Diesel Additive is a preventive, multi-function diesel additive designed to be used regularly throughout the engine’s life.

It's advanced formulation restores lost lubrication, protects vital fuel system components, improves combustion quality and keeps the entire diesel fuel system clean, helping prevent costly repairs before they occur.

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Benefits:
  • Lubricates upper cylinders, piston rings and fuel system components
  • Compensates for reduced sulphur lubrication in modern diesel fuel
  • Protects injectors, valves and valve seats against wear
  • Contains a cetane booster for improved engine performance
  • Makes cold starting easier
  • Disperses water from diesel fuel
  • Contains antifreeze agents to protect in cold conditions
  • Limits fuel overconsumption
  • Keeps the fuel system clean
  • Reduces exhaust fumes and smoke

Vehicle Type

  • Suitable for all diesel engines
  • Compatible with common rail & high-pressure injection systems(HDI, CDI, TDC, DCI)
  • Safe for DPF and catalytic converters

One 500ml bottle treats up to 60 litres of diesel. Can be used preventively throughout the engine’s lifespan.

Product Downloads

Download Technical Data Sheet Download Safety Data Sheet
Bardahl Common Rail Diesel Additive 500ml

£17.99

What are diesel fuel additives and why should I use them?

Bardahl diesel additives are chemical treatments added to diesel fuel to clean and protect injection systems, improve combustion, reduce deposits and emissions, and help maintain performance and efficiency. They can also address water in fuel and support fuel system longevity.



How do Bardahl Diesel 5 in 1 Cleaner and Common Rail Injection Cleaner differ?

Diesel 5 in 1 Cleaner is a multi-function additive that cleans the injection system, turbo, particulate filter, EGR valve and catalytic converter without dismantling parts.

Common Rail Injection Cleaner is formulated specifically for modern high-pressure common rail diesel systems to clean injectors and improve spray performance.

What does EGR Valve Cleaner do?

Bardahl’s EGR Valve Cleaner removes soot and carbon build-up from the Exhaust Gas Recirculation (EGR) valve, restoring airflow and engine performance, reducing rough idling and helping prevent clogging problems.

When should I use Preventive DPF Treatment vs Turbo and Particulate Filter Cleaner?

Preventive DPF Treatment is added to the fuel to help prevent soot build-up and support regeneration of the Diesel Particulate Filter (DPF), extending its life.

Turbo and Particulate Filter Cleaner targets both turbocharger deposits and partially clogged filters, helping dissolve soot and residues to improve airflow and performance.

What benefits do Cetane Booster, Common Rail Diesel Additive and Water Remover provide?

Cetane Booster increases the cetane number of diesel, improving combustion quality, easing cold starts and enhancing engine performance.

Common Rail Diesel Additive lubricates and protects injectors and pumps, while reducing emissions and improving fuel economy.

Water Remover eliminates condensation water from diesel fuel, protects injectors and pump from corrosion, and prevents performance issues caused by water contamination.

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