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.
Fuel stabilizer additive W23912 (250 ml). Specifically formulated to protect and stabilize gasoline during long periods of storage or inactivity for classic cars, motorcycles, marine engines, and stationary equipment. Pr
High-performance engine protective oil additive PRO Engine Protector W48044 (325 ml). Enhances lubricating and detergent properties, reduces friction and wear, and protects wet timing belt systems from premature degradat
Potassium-based lead substitute additive W70612 / W70611 (250 ml). Protects unhardened valve seats and prevents premature wear and micro-welding when using unleaded gasoline in classic or traditional engines. Inhibits fu
Remove deposits from intake valves and manifolds with Wynn's Air Intake Cleaner. Restore engine performance and fuel economy. Shop professional additives.
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,
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 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 ch
Wynn's DPF & GPF On-Car Cleaner (code W29079) is a non-flammable, fast-dissipating professional foam treatment formulated to clean and restore diesel (DPF) and petrol (GPF) particulate filters without removing them f
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 1:15
Wynn's Dry Fuel (code W71896) in a professional 5-litre container safely absorbs and neutralizes moisture contamination within fuel storage tanks and delivery networks. Recommended for all petrol and diesel engines (incl
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.
High-yield foaming cleaner Pro Intake System Cleaner W29979 (500 ml). Effectively removes gum, varnish, and carbon deposits from the air intake system, manifold, turbo, EGR valve, and mass airflow sensor. Compatible with
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 lubric
Professional MAF sensor and air flow meter cleaner W28579 (200 ml). Powerful, fast-drying, residue-free cleaning solution designed to safely remove deposits and restore the air-fuel ratio. Safe for plastic and rubber com
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 clean
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,
Diesel treatment 25
Gasoline Treatment Additive 18
Oil Treatment 8
Cooling System Treatment 5
