Optimize the cleanliness, efficiency, and performance of your engine with the professional range of Wynn's Additives. The category is divided into two key sections: the Automotive line, offering specific treatments for diesel, petrol, LPG, engine oil, gearbox oil, and cooling systems for cars; and the Fleet line, featuring large-format packaging ideal for treating tanks, trucks, HGVs, boats, industrial, and agricultural vehicles. Wynn's is the leading choice for preventative maintenance and resolving contamination and performance issues.
Advanced PEA-based direct injection cleaner GDI Efficiency Restorer W37592 (500 ml). Quickly removes internal and external injector deposits and carbon residues from the combustion chamber, restoring injector efficiency.
Wynn's Diesel Turbo Cleaner (code W32092) clears blocked diesel turbochargers without dismantling. It eliminates carbon buildup to free sticky vanes and cleans the EGR valve and oxidation catalyst. It restores original e
Comprehensive multi-action gasoline additive Wynn's Petrol Power 7 W70711 (1000 ml). Delivers 7 distinct benefits in a single tank: cleans injectors and fuel system, removes combustion chamber deposits, protects EGR, tur
Wynn's Diesel Emission Reducer (code W50392) is a specialized fuel treatment formulated to decrease exhaust emissions and soot in diesel and hybrid engines. It optimizes combustion, prevents injector fouling, and improve
Wynn's Diesel Total Action Treatment (code W33092) is a comprehensive all-in-one cleaner that purges the entire fuel system before, during, and after combustion. It instantly cleans injectors, improves fuel economy, and
Wynn's W25241 is a highly concentrated diesel injection cleaner formulated for direct application into the fuel filter. DO NOT add to the fuel tank. By filling the empty filter housing with the product, it delivers immed
Wynn's Fuel Biocide (code W10601) is a specialized disinfectant treatment engineered to eliminate and prevent bacteria, algae, and fungal growth in diesel fuel and biofuel tanks. Soluble in hydrocarbons and residual wate
Wynn's Ice Proof for Diesel (code W22710) is a professional additive designed to improve diesel fuel fluidity in cold weather, providing protection down to -30°C. It prevents the formation of wax crystals and significant
Wynn's Supremium® Diesel (code W22910) is formulated to upgrade standard EN590 diesel into a premium-grade Super fuel. Engineered for diesel and hybrid engines (compatible up to B100), it cleans injectors, improves cold
Wynn's Commercial Vehicles Ice Proof for Diesel (code W22790) in a 1-litre bottle improves cold weather fuel fluidity, lowering the cold filter plugging point (CFPP) down to -30°C. It prevents the formation and settling
Wynn's Crystal Clean & Protect (code W21002) prevents crystal formation on AdBlue® system components, keeping the SCR catalyst clean. It enhances SCR efficiency, extends component lifespan, and prevents costly breakd
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 minimiz
Wynn's Diesel Power 7 (code W76411) in a 1-litre bottle is a premium multi-action additive designed to maximize results in just one tank of fuel. It delivers 7 distinct benefits: it cleans and lubricates high-pressure pu
Wynn's Air Intake & Carburettor Cleaner effectively removes dirt, grease, and carbon deposits from carburettors, throttle bodies, and air intake systems. Ideal for improving engine performance and combustion efficien
Additivo Wynn's Cooling System Stop Leak 1Lt
Supremium petrol fuel additive W22810 (250 ml). Upgrades regular gasoline to premium quality, cleans and maintains injectors and valves, compensates for the lower energy content of E10 fuels, provides extreme corrosion p
Diesel treatment 25
Gasoline Treatment Additive 18
Oil Treatment 8
Cooling System Treatment 5
