Thomas Group Blog Posts

Parker Racor Snapp Filters

Looking for some extra protection at cost effective pricing? Snapp filters are perfect for small industrial and marine engines. Their superb quality means you can replace an existing unit or add for additional filtration. Very easy to mount and fast fit connections make pipe connections simple. As the name suggests, the elements snap on and […]

New remanufacturing program for Denso/John Deere common rail injectors.

There should be significant cost saving with no loss of quality. There has been considerable investment in tools, software and training so that we can offer a quality product complete with fitting kits, trim codes and warranty. Cross reference and part numbers are available We can offer you Test and check Service/Repair on your Units […]

Diesel fuel injection for nearly 50 years.

Did you know? Thomas group offer the UK’s only official Yanmar Fuel Injection workshop. Our technicians can take care of all your Yanmar FIE issues using genuine parts and manufacturers software. All units are tested to Yanmar specification and are returned to the customer with full warranty. From mechanical pumps to electronically governed systems to […]

Truck, Marine, Agricultural and Industrial Fuel Filtration

Thomas Group represent some of the industries major, original equipment, manufacturers of filters. What makes us different? We don’t just supply service elements. In stock, we have water collection bowls, fuel heaters, water detection parts, hand primers, electric lift pumps and all the components that fail and break. We know how systems work and can […]

Fuel Injection Parts

Fuel injection parts made by Delphi Technologies specifically for Doosan Bobcat applications. See this link for cross reference and applications For competitive pricing, please contact us. For test, check and repair please contact our workshop: 01233 642816. We aim to turn around repair work within 48hrs.

Genuine Fuel Manager electric lift pumps available from stock

Genuine Fuel Manager electric lift pumps available from stock. These fit CNH, Agco SISU, John Deere and JCB applications Visit our shop for cross reference and pricing If you are unsure which unit you need or you need to discuss quantity discounts, please contact us on [email protected] or call 01233 642816. Why buy a complete […]


There is now more information available to tell you how clean new cars are, both for the harmful pollutants that immediately affect the air we breathe, and for carbon dioxide (CO2) which has a longer term impact on the climate. But where can you find more information about the specific model you are interested in? […]

IAAF welcomes Walker Products as latest member

Specialist is one of the largest privately owned manufacturers in its sector The Independent Automotive Aftermarket Federation (IAAF) has kickstarted 2020 by welcoming manufacturer, supplier and distributor of engine management components, Walker Products, to its growing membership. Bringing more than 50 years’ experience to the IAAF, the new member began supplying the fuel system needs […]

Under Pressure: Part 1 of the diesel injection evolution

Two of the largest gains of diesel injection development throughout the years have been electronic control and higher injection pressures. The greater the injection pressure, the more finely both the injector and injection nozzle will be constructed giving a droplet less gas like injection mixture. This improves atomisation and results in a better air-fuel mixture, […]

How to Protect Your Engine with Filtration in the Truck and Mobile Aftermarket

Regardless of how much care is imparted, fuel contamination such as dirt or water will always find its way into any fuel system. Unfortunately, because the latest diesel engines offer fuel injection pressures exceeding 2000 bar along with micron-level injector tolerances, even the tiniest amount of dirt or water is certain to create problems. In high-pressure […]

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