Liqui-Moly Marine Diesel Protect is a highly effective fuel treatment developed to eliminate and prevent bacteria, yeast, and mould contamination in marine diesel fuel systems. Designed for reliable long-term fuel preservation, it ensures optimum cleanliness throughout the entire fuel system while protecting all metal components against corrosion. The integrated cetane number booster improves cold starting after lay-up periods and restores maximum engine performance. Ideal for marine diesel engines exposed to long storage times and harsh operating conditions. Use biocides safely and always follow label instructions.

• Highly effective diesel fuel treatment for marine applications
• Eliminates bacteria, yeast, and mould in diesel fuel systems
• Decontaminates infested fuel tanks and fuel systems
• Actively prevents future bacterial infestation
• Cleans and maintains the entire diesel fuel system
• Provides corrosion protection for all metal components
• Boosts the cetane number for easier starting after storage
• Improves engine performance and operational reliability
• Offers excellent ageing protection for long-term fuel preservation