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 breakdowns or downtime caused by crystallization. Compatible with all approved AdBlue® and DEF fluids. Instructions: ADD ONLY TO THE ADBLUE® TANK at every refill. One 125ml bottle treats up to 15 litres of AdBlue®.

Wynn's Diesel System Cleaner (code W46751) cleans and lubricates fuel pumps and injectors in diesel and hybrid engines. It restores original spray patterns for better combustion, reduces black smoke and diesel knocking, and prevents fuel filter clogging while protecting against rust. Safe for DPF, valves, and turbo. Instructions: add to the fuel tank (treats up to 60 litres) every 3,000 km or 3 fill-ups.

Wynn's Dry Fuel (code W71851) is a specialized treatment formulated to absorb and neutralize moisture and condensation within petrol, diesel, and hybrid fuel systems. It protects vital components from rust and corrosion, prevents the fuel filter and carburetor from freezing, and delivers improved cold-start performance. Instructions for use: add directly to the fuel tank (treats up to 60 litres of fuel) once every 6 months.

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 significantly lowers the cold filter plugging point in diesel and hybrid systems. Instructions: add to the tank before refueling at a 0.1% ratio (25 ml per 25 litres), ideally when the ambient fuel temperature is above 0°C.

Prevent crystal formation and expensive SCR repairs with Wynn's W21090. Improves AdBlue efficiency and extends component life. Find out more on Raim professional.

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 immediate cleaning to the injectors and pump, dissolves combustion chamber deposits, and cuts black smoke and soot. It restores compression in diesel and hybrid systems. Instructions: fill fuel filter housing, start engine, and drive for 3 km. Use every 6 months.

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 starts, and cuts black smoke while restoring engine power. It also reduces fuel foaming by up to 60%. Instructions: add to the tank at every fill-up using the built-in dosing bottle at a 0.1% ratio (25 ml per 25 litres of fuel).

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 water, it prevents filter clogging in trucks, boats, and stationary engines. Preventative use: 1 bottle treats 500 litres of diesel. Curative use: 1 bottle treats 250 litres (let it work for 3 days, then filter out destroyed organic deposits).

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 improves fuel economy while protecting vital components (including DPF, EGR, and turbo) from water contamination in fuel. Instructions: pour 1 bottle into the fuel tank for up to 60 litres, repeat every 3,000 km.

Wynn's Diesel Extreme Cleaner (part W12292) is a curative treatment for Common Rail injectors and EGR systems. It instantly cleans and protects high-pressure setups (TDI, HDI), restoring optimal spray patterns. It lubricates pumps, prevents starting issues, and ensures a smooth idle. Compatible with all diesel and hybrid diesel engines (up to B30). Instructions: add 1 bottle for up to 60 litres of fuel every 3,000 km.

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 engine power and throttle response while lowering soot emissions. Safe for all diesel and hybrid engines (up to B30). Instructions: pour 1 bottle into the tank for up to 60 litres of fuel every 3,000 km.

Wynn's DPF Regenerator (code W28392) clears and regenerates blocked diesel particulate filters without dismantling. It acts as a catalyst to lower soot combustion temperature, triggering an immediate and ultra-fast cleaning cycle. It also maximizes efficiency for turbochargers, EGR valves, and oxidation catalysts. Instructions: pour 1 bottle into the fuel tank for up to 60 litres, repeat every 3,000 km.

Wynn's Diesel Pre-Emission Treatment is an ultra-concentrated, professional-grade fuel additive designed as a pre-inspection curative treatment to help diesel engines pass strict emissions and smoke opacity regulations. Formulated with 4 targeted emission-reducing agents, this high-strength cleaner thoroughly purges the entire fuel system, restores optimal injector spray patterns, and sharply reduces black smoke, exhaust soot, and harmful particulates. It is fully compatible with all common-rail and pump-injector systems, catalytic converters, DPF/FAP filters, SCR setups, and biodiesel blends up to B30. The specially shaped bottle features an ergonomic neck compatible with modern capless fuel tanks.

Wynn's Direct Injection Valve Cleaner (code W28879) is a powerful professional cleaning foam engineered to safely eliminate stubborn carbon buildup from the air intake system, inlet valves, valve seats, and combustion chambers. Suitable for GDI, petrol, diesel, and hybrid engines, it restores original airflow and engine responsiveness. Usage notes: sprayed directly into the intake manifold at stable RPMs on a warm engine. Engine oil and filter replacement is mandatory post-treatment.

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 reduces black smoke. It prevents EGR fouling while assisting in DPF regeneration and turbo cleaning. Instructions: add 1 bottle directly to the fuel tank (treats up to 60 litres) every 3,000 km or 3 fill-ups.

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 of wax crystals throughout the injection network, protecting against freezing failures. Safe for all exhaust after-treatment systems. Instructions: add to the tank before refueling when above 0°C. Standard dosage: 1 litre treats 1,000 litres of diesel.