Purpose and Specifications

LIQUI MOLY Super Diesel Additive 5L is a premium fuel treatment designed to clean and protect your diesel engine's fuel system. This powerful 5-liter canister tackles deposits on injectors, valves, and fuel lines for smoother fuel flow and better combustion. It boosts lubrication to cut wear on pumps and injectors, prevents rust and corrosion, and raises cetane levels for easier cold starts and more power. Safe for all diesel engines, including those with turbochargers, catalytic converters, and DPF filters.

• Cleans valves and combustion chambers - Removes built-up dirt for restored performance
• Improves fuel economy - Expect better mileage with regular use
• Reduces emissions and noise - Cleaner burn means less smoke and quieter operation
• Extends engine life - Protects components from wear and seizing

Use every 2,000 km (1,200 miles) for ongoing maintenance. The 5L size treats up to 1,250-3,750 liters of diesel fuel, perfect for high-volume users like fleets or large tanks. Shelf life is typically 3-5 years when stored in a cool, dry place away from extreme temps (-10°C to 40°C).

When to Use / Replace?

Add this additive every 2,000 km or monthly for preventive care, especially with low-sulfur diesel. Use it if you notice rough idling, power loss, hard starts, or rising fuel use - one treatment often restores performance. No need to replace; it's a maintenance additive, not a one-time fix. Drain old fuel if contaminated before adding.

FAQ

Q: How much do I add to my tank?
A: For the 5L product, mix with 1,250-3,750 liters of diesel. Scale down for smaller tanks - typically 40ml per 60 liters.

Q: Is it safe for modern diesels with DPF?
A: Yes, fully compatible with particulate filters, catalytic converters, and all diesel engines.

Q: When will I see results?
A: Many notice smoother running and better economy after the first tank, with full cleaning in 2,000 km.