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Fuel & Oil Additives at Halfords

Everyone wants to improve the performance of their car, which is where fuel additives and oil additives come in. These engine oil additives act like a lubricant, ensuring your engine provides maximum efficiency and power.

Petrol additives work by ensuring that all parts are moving, getting the max performance out of your engine. Diesel fuel additives also work in a similar way, ensuring your engine maximises its potential.

All of these are made to keep your vehicle running in top condition and to reduce emissions. We also provide a great choice of petrol and diesel injectors, which are formulated to clean up dirty injectors and inlet valves in one tank.

Whether you're looking for a diesel additive, fuel injector, adBlue, engine cleaner or engine flush, we can help you out. Simply search online or come along to your nearest store and we'll help you out.