NGK urges diesel vehicle owners to replace glow plugs now in readiness for winter


Ignition specialist NGK Spark Plugs (UK) Ltd is urging Irish workshops to recommend owners of diesel cars replace their vehicles’ glow plugs now in readiness for winter.

Diesel has undergone a huge amount of change in recent years, but although technology has moved on, the glow plug is essentially doing the same job that it always has done in raising the temperature inside the combustion chamber so that stable combustion is achieved.

Unfortunately, replacement data is unavailable as glow plugs are not a service replacement item in an engine and no mileages or time recommendations for change are made by the vehicle manufacturers.

NGK advises the replacement of sets of glow plugs as we enter the cold months and works closely with its distributors to make sure they always have the right plugs in stock to cope with increased winter demand.

The winter months are the key selling period for glow plugs and motor factors have begun stocking up in preparation to ensure they don’t miss out on any sales opportunities.

Mark Hallam, Marketing Manager, NGK Spark Plugs (UK) Ltd, said: “Preventative maintenance is key at this time of year and we recommend that drivers of diesel vehicles replace their glow plugs now in preparation for the cold winter months.

“Factors, distributors and garages are fully aware that their glow plugs sales spike in the winter months and the NGK Area Sales Representatives can help our customers stock the right profile of glow plugs to ensure they leverage the sales opportunity fully as well as providing on-site product training utilising our award-winning cataloguing data and training portals.”

NGK glow plugs:

  • Start engines quickly and smoothly
  • Offers an excellent post-glow function
  • Have a long service life
  • Offers the latest in high technology for today and tomorrow

Mark Hallam added: “Many part numbers are brought into the aftermarket from the original equipment (OE) side of our business. The range comprises metal glow plugs – the latest New High Temperature Ceramic technology – which can reach temperatures of 1,350 degrees C and hit 1,000 degrees C in one second! The vast amount of R&D carried out in conjunction with the vehicle manufacturers constantly ensures we meet new challenges head on, and our focus is firmly on quality from the design stage to distribution.”
As an OEM supplier to many vehicle manufacturers, NGK products have a strong reputation with the OE fitment benefitting end-users.

Hallam concluded: “Reliability is key to our success. Vehicle owners can be confident that their engines are fitted with glow plugs which meet or exceed vehicle manufacturers’ specifications. This ensures improved drivability during engine warm up and the ever-important reduction of emissions – thanks to outstanding extended post-glow capability.”

NGK recommends the fitment of glow plugs manufactured to OE specification and says ‘budget’ alternatives should be avoided.

Tim Howes, Deputy General Manager – Supply Chain & Technical Service, NGK Spark Plugs (UK) Ltd, said: “Because the glow plug is now a vital part and parcel of the engine management system, as with most other components, it has never been more important to ensure that the installer is fitting the correct specification part. You cannot go for a ‘budget’ alternative nowadays because the engine management system can pick up very quickly the fact that it is incompatible with the engine management system and OBD.

“The OBD system will find fault with the item if it is not to the correct specification and the performance of the vehicle will suffer. My advice is always to fit a plug that was manufactured to OE specification – as all NGK plugs are.”

With NGK glow plugs, engines run quietly and smoothly. They are kinder on the environment too, thanks to the promotion of clean combustion and lower toxic emissions.

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