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.
Oil-soluble engine flush additive Oil System Cleaner W47241 (325 ml). Dissolves sludge, dirt, and deposits in the crankcase, oil lines, and circulation system, frees piston rings and hydraulic valve lifters, and prevents
Additivo Wynn's Cooling System Stop Leak
Automatic transmission system cleaner Automatic Transmission Flush W64401 (325 ml). Cleans the entire automatic transmission system and restores optimal operation. To be used with Wynn's TranSERVE®. Recommended when chan
Additivo Wynn's Cooling System Flush
Catalytic converter and oxygen sensor cleaner W25692 (500 ml). Optimizes catalytic converter efficiency and ensures proper O2 sensor operation. Eliminates deposits, reduces emissions, and prevents OBD warning lights. Com
Oil-soluble automatic transmission treatment W64544 (325 ml). Improves shifting smoothness, stops and prevents leaks, and conditions cork, felt, paper, and rubber seals. Withstands temperatures from -40°C to 260°C withou
Additivo Wynn's Extreme Cooling System Degreaser
Petrol emission reducer additive W29392 (500 ml, ex-PP3). Decreases exhaust emissions (CO and HC), optimizes combustion, and reduces fuel consumption. Enhances performance, power, and acceleration for gasoline and hybrid
Oil-soluble engine additive Engine Oil Stop Leak W77441 (325 ml). Stops and prevents engine oil leaks without dismantling, revitalizing rubber and neoprene seals on crankshafts, camshafts, and valve stems. Compatible wit
Additivo Wynn's Cylinder Block Seal
Extreme petrol system cleaner W29792 (500 ml). Instantly cleans and lubricates injectors, restoring the ideal spray pattern. Removes deposits, protects against bio fuels E10/E85, prevents EGR valve clogging, and ensures
High-performance engine oil treatment Formula Gold W77101 (500 ml). Reduces friction and wear, improves compression and oil viscosity, and prevents sludge and blue smoke. Compatible with gasoline, diesel, hybrid engines,
Petrol fuel system and injector cleaner W61351 (325 ml). Cleans and maintains the fuel system, prevents deposit buildup on carburetors, injectors, and valves, and lubricates the upper cylinders. Compatible with gasoline
Oil-soluble additive Hydraulic Valve Lifter W76841 (325 ml). Restores optimal hydraulic valve lifter operation, frees sticky valve stems, and reduces valve train noise. Dissolves dirt, varnish, and deposits in oil passag
Professional petrol injection cleaning additive ISP W76695 (1000 ml). Designed for use with Wynn's MultiSERVE or FuelSERVE equipment. Removes dirt, deposits, and carbon residues from injectors and combustion chambers wit
Power steering leak stop additive Power Steering Stop Leak W64503 (125 ml). Stops and prevents oil leaks and weeping without dismantling, revitalizing rubber and neoprene seals and O-rings. Makes power steering smoother
Diesel treatment 25
Gasoline Treatment Additive 18
Oil Treatment 8
Cooling System Treatment 5
