We can provide services that very few other diesel specialists can.
Assistance with accurate diagnosis
Thoroughly test your injectors to manufacturers spec.
We can help you decide if you should change any of your injectors, just one or even the full set.
We provide you with a full report.
We can offer reman exchange, new or an economical repair.
Service test and calibrate fuel injection pumps-Always using genuine parts.
Give advice regarding refitting systems including coding.
Take care of manufacturer’s warranty.
Official representatives of:- Denso, Delphi, Bosch, Siemens VDO, Stanadyne and much more.
Our aim is to give you the service you deserve. That means talking you through each job, giving great reporting when required, and explaining all new parts fitted. In short, we mean to give you the personal care that you need.
Workshop visits are always welcome
Our fuel injection warehouse holds thousands of parts, including filtration, all kinds of sensors and fuel quality products.
Parker Racor are original equipment (OE) filtration partners to some of the biggest names in the commercial vehicle business. Parker Racor Filtration is known worldwide for innovative Fuel, Oil, Air and CCV systems for internal combustion engines and fuel delivery systems. Racor’s operations have an international scope with product manufacturing locations around the world. In […]
Stanadyne pumps and injectors are designed for exacting precision and manufactured in state-of-the-art facilities. In a rapidly-evolving world demanding ever lower emissions and greater efficiency, Stanadyne is leading the way with innovative fuel system solutions. Stanadyne is reimagining its product range and providing tailored solutions for its customers. As the company looks to embrace the […]
Alliant Power, a Diesel Forward brand, distributes more than 550 SKUs of aftermarket new and remanufactured diesel fuel injection and engine components for medium and heavy-duty engines. In 2008, Alliant Power formed its remanufacturing division. Today, Alliant Power remanufactures 50+ part numbers of fuel injectors, engine electronics, and high-pressure pumps. Alliant Power prides itself on […]
A global manufacturer of automotive parts, offering: • Quality & Choice • All OE Quality Products • Constantly Expanding Ranges. They are backed by long-standing, global heritage all partner with all the world’s car manufacturers. Denso has 40 years experience supplying advanced parts ranges. Innovation: • Products feature many DENSO world-first innovations from decades of […]
Bosch is one of the world’s leading suppliers of diesel fuel injection systems and is standard equipment on many diesel engines today. Thanks to new test procedures and engineering ingenuity from Bosch, a decisive technological breakthrough has now been achieved with regard to improving air quality. The new, enhanced diesel technology will result in a […]
Fuel Manager filter systems have been designed to expertly remove particle matter and water from fuel – FUEL MANAGER Filter systems consist of a range of primary and secondary filters available in different lengths and micron levels to suit nearly every make and model for 4WD diesel engines. Visit our Diesel Parts Direct Store for […]
Thomas Group are the ONLY official Yanmar diesel injection workshop in the UK & Ireland. Our workshop use only genuine parts this retains original Yanmar quality, fuel economy, emission control & performance. All testing is carried out to Yanmar specifications by Yanmar trained engineers. Only Thomas Group workshop can offer this to your Yanmar injection system […]
VDO are manufacturers of Marine solutions for pleasure boats, yachts and sailing boats. The company has over 60 years of experience and stands as one of the oldest marine suppliers in the industry. The highest precision and the use of pioneering technologies are as important to them as the ease of use and appealing design. […]
Perkins is a manufacturer for numerous markets including agricultural, construction, materials handling, power generation and industrial. Over the years Perkins has expanded its engine ranges and produces thousands of different engine specifications including diesel and petrol engines. Visit our Diesel Parts Direct Store for Perkins Part Numbers
Stanadyne is racing forward and resolving the most complicated challenges facing the acing fuel systems of today and tomorrow across automotive, construction, agriculture industries, and more. Visit our Diesel Parts Direct Store for Stanadyne Additive
Global aftermarket providers, Delphi Technologies has 20,000 employees including 5,000 engineers. It operates technical centres, manufacturing sites and customer support services in 24 countries across the world. They are leading the way for global automotive emissions and much more. Visit our Diesel Parts Direct Store for Delphi Part Numbers
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 […]
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 […]