Wurth Diesel Treatment Additive AR 300ml
Restore Power, Efficiency & Precision with the trusted performance of Wurth Diesel Treatment Additive AR. Specifically engineered for all diesel systems using common rail or pump/nozzle injection technology, this additive combats deposits, enhances lubrication, and promotes smoother, more economical engine performance.
✔ Rated “Excellent” on Trustpilot – Trusted by thousands of satisfied UK motorists
✅ Key Features & Benefits:
- Combats Harmful Deposits: Prevents and removes build-up in the combustion chamber and injector systems.
- Improves Fuel Lubrication: Offsets the reduced lubrication of low-sulphur diesel, reducing wear and tear.
- Restores Injector Precision: Ensures optimal spray pattern for better combustion and efficiency.
- Reduces Fuel Consumption: Promotes cleaner, more efficient fuel burn to help save at the pump.
- Smoother Engine Running: Reduces noise and vibration for a more refined driving experience.
- Biofuel Compatible: Extends the storage life of biodiesel and protects the system.
- Clean Chemistry: Free from sulphur, phosphorous, metals, and acids – safe for all systems.
- Highly Economical: One 300ml can treats up to 70 litres of diesel.
Where to Use:
Suitable for all modern diesel systems with common rail or pump-nozzle technology. Fully safe with diesel oxidation catalytic converters.
How to Use:
- Ensure there is at least 10 litres of diesel in the tank.
- Pour the full 300ml contents into the tank before your next drive.
- Use every 2,000 km or after fuel system/engine repairs for preventive maintenance.
Recommended Usage:
Ideal for regular use to maintain peak fuel efficiency and cleanliness. Use after injector or engine repairs for best results.
Why Buy from Cox Motor Parts?
- Fast UK Shipping
- 100% Genuine Wurth Product
- Friendly Expert Support
- Safe & Secure Checkout
Keep your diesel engine performing like new – Order your Wurth Diesel Treatment Additive AR today and experience a cleaner, quieter, more efficient drive.











