Specialists in diesel fuel injection systems & fuel additives.

Trading for over 40 years

Thomas Group are based in Ashford, Kent and have been in the fuel injection business for over forty years. As a specialist in diesel fuel injection services the company has partnered all the major manufacturers. Bosch in 1977, and adding Lucas, Delphi, Denso, Stanadyne, Siemens VDO, Parker Racor, Diesel Forward, Fuel Manager and Hopkins Manufacturing along the way. 

Experience, training and a good knowledge of the latest technology is vital in this industry. From our repair workshops to our parts distribution centre we have that in abundance. Since the company’s early beginnings, technology and emission standards have been revolutionised, from the smoky seventies to today’s tight legislation. This revolution is not yet over, with ever more efficient engines and systems. This makes your fuel system the sophisticated and expensive heartbeat of your engine.

Fuel quality is more important than ever. Modern electronic, high pressure fuel systems must have clean fuel that complies to ISO standards. That means buying good quality fuel and filtration systems. Good fuel will extend the life of your engine and diesel fuel system. We can help with that.

Our ethos is quality. Genuine OE (original equipment) parts, manufacturer training, official tools and software combined with first class customer service. Gaining customer feedback to help us constantly Improve is our continual aim. If you need technical support with a part, we will try to give you the information you need.

Our markets are anywhere you can find diesel fuel injection. That could be construction, marine, agriculture, power generation, rail, cars, trucks etc.

Our customers are worldwide. With our varied shipping and payment options we try to make buying from us as easy as possible. An on-line trade account will give you access to thousands of products. We will stock what you need, and we will also try to find rare and obsolete parts through our network of contacts.

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Blog Posts

Under Pressure: Part 2 of the diesel injection evolution

In the first part of The Diesel Injection Evolution https://www.thomasgroupltd.co.uk/under-pressure-part-1-of-the-diesel-injection-evolution/ I wrote about how the pressure changes had made smaller fuel droplets possible so that the fuel burning became more efficient and less polluting with the advantage of a more flexible power range. The higher Common rail pressures of 25000 psi and greater are only […]

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COVID 19-COMPANY UPDATE

In these uncertain times we want to reassure you that Thomas Group Ltd are still fully operational as of Tuesday 17th March. Our sales team are all working and our warehouse are still dispatching goods as normal. To limit the risk of COVID-19 and to allow us to keep servicing as normal, as well as […]

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The Thomas Group Companies: