Purpose and Specifications

Kleen-Flo 993 Diesel Fuel Conditioner is a budget-friendly 1-liter treatment for diesel engines that cleans your fuel system, restores lubrication lost in low-sulfur diesel, and prevents freezing down to -40°C in cold weather. Just 100ml treats up to 227 liters of fuel, eliminating varnish, sludge, and moisture to keep injectors clean, reduce smoke, and boost starting ease.

• Cleans entire fuel system: Removes gum, varnish, and sludge for smoother running.
• Anti-gel protection: Stops fuel lines from freezing and icing in winter temps as low as -40°C.
• Reduces corrosion: Absorbs water from tanks to protect against rust.
• Improves performance: Easier cold starts, less stalling, and lower emissions.

When to Use / Replace?

Add every 5,000 km or monthly during winter for anti-gel protection, or whenever you notice hard starting, rough idling, or excess smoke. Shelf life is 3 years unopened; use within 6 months once opened. Ideal for trucks, tractors, and cars in cold climates.

FAQ

Is Kleen-Flo 993 safe for all diesel engines?
Yes, it works in all types including low-sulfur diesel vehicles, non-road engines, and older models without harming seals or components.

How much do I add per tank?
100ml per 227 liters of diesel; pour directly into the tank before filling for best mixing.

Does it improve fuel economy?
Users report better efficiency from cleaner injectors and stabilized fuel, often seeing noticeable MPG gains after regular use.