Thomas Group

we know diesel

Welcome to Thomas Group Ltd – Specialists in diesel fuel injection systems & fuel additives.


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There has never been a more critical time to look after your fuel

Thomas Group has become known worldwide for its technical expertise and parts sales for diesel fuel related products within the automotive, off highway, agriculture, plant, power generation, marine and construction Industries.

As an authorised distributor and repairer of OE brands such as Yanmar • Bosch • Delphi • Stanadyne and Denso, we consider ourselves specialists in the very latest common rail diesel injection technology.

Thomas Group brings its substantial diesel experience and knowledge to the Fuel Quality, Fuel Filtration and Fuel Additive sector partnering; Parker Racor • Delphi
Stanadyne • Bosch and Mahle Brands with complete factory support.

Product Guide
Thomas Group have a Product guide covering our entire range of products.

There are some 10,000 plus product lines and some great brand names such as Fuel Bright, Stanadyne, Parker Racor, Perkins, Delphi Technologies, Bosch and Yanmar to name a few. Just click the download button (left) for YOUR copy of our latest product guide 2019.

Our Brands


Latest news from the Thomas Group

Results speak for themselves

Wakefield Council to trial autonomous fuel dosing using Diesel 1000-Latest update After six months of continually dosing 6 bulk storage sites equating to 600,000 litres of fuel and gaining continued improvements in maintenance, fuel usage and emissions. Newton Bar has been selected for automated dosing of Diesel 1000 fuel additive, this will be fully integrated […]


Avoid winter engine trouble

Ignition challenges Winter conditions can have a real impact on a vehicle’s performance. It’s important to make sure that your car is prepared for the challenge – after all, no-one wants to be left stranded with a broken-down vehicle in the cold. Read on for advice on how to make sure your car starts every […]


New data shows modern diesel emissions are comparable with petrol

According to the German mobility organisation ADAC (Allgemeiner Deutscher Automobil Club), modern diesel and petrol cars tested in real world conditions out-performed regulatory requirements. Until September 2017, car emissions testing in Europe was limited to laboratory testing that did not fully represent the level of pollutant emissions from new car models. Car buyers therefore could […]


What is the future of diesel

Modern engines are sophisticated. Driven by the need for lower emissions, fuel injection systems now cope with much higher pressures, temperatures and voltages. This gives the user a cleaner, more efficient and more powerful machine. FuelBright additives have been created using over forty years of experience in the fuel injection industry. They have been tested […]

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