Wynn's DFSC+ (code W46796) in a professional 5-litre container is a heavy-duty fuel system cleaner and lubricant for diesel and hybrid engines. It cleans fuel pumps and injectors, increases the cetane number, and minimizes black exhaust soot. Formulated to counteract low-sulfur fuel dryness, it prevents filter clogging and reduces diesel knocking. Standard dosage: 1 to 2 litres per 1000 litres of diesel fuel every 7,500 km.

Wynn's Supremium® Diesel is a highly concentrated professional formula additive package engineered to upgrade standard EN 590 diesel and agricultural red diesel to premium-grade fuel quality. With an ultra-efficient 1:1500 mixing ratio (0.066% dosage), just 1 litre treats 1,500 litres of fuel. This multifunctional treatment increases the cetane number by 2 to 4 points, improves cold starts, and reduces fuel consumption by up to 4% while cutting $NO_x$ and exhaust emissions by up to 20%. Additionally, it cleans injectors, reduces diesel foaming by up to 60%, and features advanced corrosion inhibitors and lubricating agents to fully protect the fuel pump and injection system.