Fuel treatments and additives are a must-have when you want to flush out your fuel system. While fuel treatments are designed to target any harmful materials that may have entered your car's fuel system, fuel additives are designed for maintenance - helping you to prevent issues in the long term all while improving performance and reducing emissions. We have a diverse collection of fuel treatments and additives in stock at Euro Car Parts, suitable for both diesel and petrol engines. Browse online today and enjoy low prices on the very best brands. From Wynns to Taxi Mate, you're guaranteed to find what you're looking for. There's no need to worry about any of the treatments or additives harming the fuel in your car either - they've all been specially designed to enable fuel to flow freely. Browse over 130,000 parts today and enjoy free UK delivery with any online order. Thanks to our 60-day returns policy too, you can shop with confidence.