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

Water- A diesel Engine’s Worst Enemy

Water is commonly found in diesel fuel due to many factors including condensation in fuel tanks, improper handling and environmental conditions. To minimise the damaging effects, water should be removed from diesel fuel prior to the final stages of solid particulate filtration. What causes water condensation in diesel fuel tanks? Diesel fuel tanks are subject […]


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 […]

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