Car & Light Commercial vehicle Diesel Fuel Injection

Despite the growth of electric vehicles, diesel will still command a significant share of the European passenger car and light-duty market for many years. Our portfolio of innovative OE Common Rail and engine management systems is helping the world’s vehicle manufacturers deliver cleaner, more efficient and more reliable cars. And we’re doing the same in the aftermarket too, with a full line-up of new, remanufactured and repaired OE components, diagnostic tools, test equipment and training.

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OE heritage

Born from pioneering companies such as CAV and Lucas, our diesel legacy is steeped in more than 80 years of OE innovation, technological advances and groundbreaking firsts from the iconic DPA pump in the 1950s, to the compact, fully-integrated electronic unit injector in 2001, and the first direct acting diesel fuel injection system in 2008. Just a few of many.

Next generation OE technology

Today, our OE diesel fuel injection and engine management systems can be found on millions of cars around the world – this includes our popular Multec® light-duty common rail that provides performance equivalent to servo piezo technology.

OE quality repair

We also offer a range of components for the repair of Common Rail pumps and injectors. Exclusively for our authorized Delphi Diesel Centre network, only out-of-spec components are replaced. Importantly, they’re still calibrated to OE specification, with up to 450 test points and a new calibration code for an OE quality, cost-effective repair. Find your nearest diesel specialist.

Delphi DNA inside?

Want to know if your Common Rail injector has been repaired to OE standards, using only OE parts, with OE approved test plans and equipment? Easy, if you haven't bought it from an authorised Delphi Diesel Centre, just visit...

OE technology for the aftermarket

When it comes to servicing, we offer a range of key system components including OE pumps, injectors, rails and high-pressure pipes, as well as complementary products such as filters and glow plugs. All brand new, and all just like the OE.

The best things come in threes

By providing new, remanufactured and authorised repair, we provide the right solution for every vehicle owner. All three choices offer guaranteed quality but at different price points so you can decide what’s best for you, your vehicle and your budget. Learn more about our three choices for injector servicing.

The full solution

Our OE expertise means that we know exactly what is required when servicing these vehicles. In addition to parts, we offer an industry leading range of electronic diagnostic tools and specialist, on-vehicle diesel diagnostic tools, as well as OE-approved test equipment. Together they ensure quick, accurate and cost-effective diagnostics, test and repair, helping to minimise vehicle down time and reduce servicing costs.

Expert training

With Common Rail systems operating at extremely fine tolerances, even minute variations can have very big consequences. Knowing how to repair them to the same exacting standards as new is therefore critical. Our half theory, half practical diesel training gives you these skills and more, and covers everything from basic diagnostics to the repair of the very latest technologies. Learn more about our training.

Greener reman

For a more environmentally and budget friendly option, we offer remanufactured injectors too. Just like new, they’re built using the same OE components, processes and calibration - with up-to 1,000 test plan points. The only difference? We reuse the core injector, where viable, to help reduce material and costs.

The Delphi Difference

100 years of OE experience, supplier to the world’s top automakers
OE heritage and knowledge built into every aftermarket part
Comprehensive portfolio for a wide range of vehicles and model years
Streamlined SKUs for easy inventory management
Support through tools, tips and training

Related product resources and downloads

2 min read

Remanufacturing: What Is The Process?

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Reman Turbochargers How it works 2 min read

Resource Highlights

In this article you will find out about what the Remanufacturing process involves.

Unlike repair or reclamation, remanufacturing involves the comprehensive disassembly of the entire turbocharger unit. This is supplied to the factory as core – used turbochargers which are returned as a ‘part exchange’ upon purchasing a replacement unit (Delphi offers a surcharge on all remanufactured turbochargers. This means that the price you pay for a replacement unit is reduced by a predefined amount when you return the used turbo for remanufacturing).

The first stage in the remanufacturing process is the strip down of the turbo into its individual constituent parts. Delphi remanufactured turbochargers are engineered to exacting specifications, and are guaranteed to meet or exceed the standards set by the OEM. As part of this process, we discard certain components which we know are at risk of underperforming if reused, even if they are currently functioning correctly. These are sent for recycling, and brand new replacement components are used upon reassembly.

Components which may be reused undergo a thorough cleaning process, which involves chemicals and processes specifically developed to bring the component back to an as-new condition without damage.

The next step is to measure and inspect every single component to ensure that it still fulfills all of the parameters which we require. Any components which do not meet the strict standards we demand are removed from the system, and sent for recycling.

Those components inspected and certified as fit for re-use are then combined with the necessary brand-new parts (which have been engineered to ensure stringent OE standards of quality are met), and the assembly process can begin.

After fitment of the main shaft into its bearing housing, and the installation of the compressor wheel, each and every turbo undergoes a number of industry-standard tests to ensure that it will perform to our stringent requirements. One such step is the dynamic balancing of the shaft assembly. This ensures that each and every turbocharger will perform at its optimum, with minimum vibration, minimum bearing wear and minimum operating noise.

If the assembly is deemed to meet our standards, the final assembly of the compressor and turbine housings takes place, and additional pre-running checks are undertaken. This includes the setting and calibration of the turbochargers’ pressure-control system. Only after successful completion of each and every test is the remanufactured turbocharger ready to be signed off, packaged (along with an application-specific fitting kit and oil vessel) and sent for dispatch to another satisfied Delphi customer.