Wynn’s additives are chemical treatments that prevent contamination of these essential fluids, and solve problems with your car.
Common problems such as black exhaust smoke, clogged injectors, blocked soot filter, high exhaust emissions, poor engine performance, excessive fuel consumption, leaks, and bad smells can all easily be solved or prevented by using Wynn’s additives.

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Wynn's Diesel Injector Cleaner 325ml

Wynn's Injector Cleaner for Diesel Engines is a treatment, which increases engine performance, reduc..


Wynn's Diesel Turbo Cleaner 325ml

Wynn’s Diesel Turbo Cleaner is a chemical treatment for all diesel engines that clears blocked turbo..


Wynn's Dry Fuel 325ml

Wynn’s Dry Fuel is a product suitable for diesel and petrol engines developed to absorb water in the..


Wynn's Engine Flush 425ml

Wynn’s Engine Flush is a highly detergent concentrate, designed to clean all oil lubricating systems..


Wynn's Engine Stop Leak 325ml

Wynn’s Engine Stop Leak is a special blend of chemicals formulated to stop engine oil leaks and drip..


Wynn's HPLS Manual Transmission Treatment with Stop Leak 125ml

Wynn's H.P.L.S. is a manual gearbox treatment which improves gear shifting, lowers gearbox noise and..


Wynn's Professional Cooling System Flush 325ml

Wynn's Cooling System Flush is a concentrated product designed to thoroughly clean all automotive co..


Wynn's Professional Cooling System Stop Leak 325ml

Wynn's Cooling System Stop Leak is a product designed to stop small leaks in the radiator and coolin..


Wynn's Professional Diesel Extreme Cleaner 500ml

Wynn's Diesel Extreme Cleaner is a diesel fuel additive, which provides a strong one tank clean-up o..


Wynn's Professional Diesel Particulate Filter Regenerator 500ml

Wynn’s Diesel Particulate Filter Regenerator, for professional use, is a chemical treatment for dies..


Wynn's Professional Extreme Petrol Cleaner 500ml

Wynn's Petrol Extreme Cleaner is a chemical treatment for petrol engines which provides a strong one..


Wynn's Radiator Stop Leak 325ml

Wynn's Radiator Stop Leak is a sealing product to stop small leaks in the cooling system, with anti-..


Wynn's Stop Smoke for Oil 325ml

Wynn's Stop Smoke is an oil soluble supplement designed to reduce exhaust smoke due to oil burning.B..


Wynn's SuperCharge Oil Treatment 300ml

Wynn’s Super Charge Oil Treatment is a product which stops excessive oil consumption.Benefits includ..


Wynn's SuperCharge Oil Treatment 425ml

Wynn’s Super Charge Oil Treatment is a product which stops excessive oil consumption.Benefits includ..