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One idea. One opportunity. One connection.

The National Automotive Radiator Service Association (NARSA) is a global organization for owners and operators of businesses engaged in the sale, repair, re-manufacture, production and design of heat exchange products and services. 

The International Diesel Emissions Association (IDEA) is a network geared toward helping connect suppliers and manufacturers to businesses involved in the servicing of Diesel Emissions components.


Member Benefits

  • Attend annual conferences
  • Participate in monthly “Lunch & Learn” webinars
  • Subscription to The Cooling Journal, our bi-monthly magazine
  • Subscription to NARSA Now newsletter
  • Connect with 200+ radiator shops and manufacturers, cooling system experts and DPF specialists
  • Access to NARSA/IDEA forum & private Facebook group
  • Access to training videos and past presentations
  • Access to Solder & Soot podcast

Connect with shops & manufacturers around the world


Latest News & Articles

September/October 2021 Cooling Journal

This might be our most jam-packed issue yet! We learn more about Scotland-based G & M Radiator in this latest The Cooling Journal. Read all about the company’s history plus some exciting news about the future.

We also have several technical articles including why engine oils are crucial to the diesel emissions industry and the most common mistakes involving coolant.

“Solder & Soot” Podcast Episode 10: Jeff Thorpe (G & M Radiator)

This episode we jump across the pond to speak with Jeff Thorpe of G & M Radiator based in Scotland. G & M’s roots go back all the way to 1919. Not only do we find out about cooling systems industry history overseas, but we learn more about the skilled labor shortage challenges the UK is dealing with. A member of NARSA/IDEA for many years, G & M also shares some exciting breaking news with us about the company’s future plans!

“Solder & Soot” Podcast Episode 09: All About Coolants (Old World Industries)

Did you know that 40% of engine downtime is coolant-related? This month on “Solder & Soot,” we dive into the science of coolants with Joe Long of Old World Industries. Joe has more than 40 years of experience in the trucking industry and is definitely an expert in his field. Not only does Joe answer our top questions, but he also explains the most common mistakes technicians make when it comes to coolants, cleaners, and other chemicals in this latest episode.

2021 Fall Conference Postponed to Spring 2022

After discussing the status of the event at length, the NARSA/IDEA Board of Directors voted to postpone the event until the spring of 2022. We believe that several extenuating circumstances have led our members to be apprehensive about attending the upcoming meeting. These difficulties, combined with the increased travel protocols for some of our overseas members, make the logistics of attending this event quite challenging.

Weathering the Pandemic Together

NARSA/IDEA has weathered the COVID storm with you, which since the founding of NARSA in 1954 has probably been the most serious threat to the viability of your association. The Board of Directors had the foresight to plan for an economic atmosphere where we could sustain a financial downturn. I am proud to report the membership in your association is the same as it was at the end of last year. Through all of the hardships and uncertain times our members have chosen to support their association. We have lost some members, but have had new members take their place. I feel so lucky to have had the opportunity to be part of the custodial effort in ensuring the future of NARSA/IDEA. 

It’s the End of the Supply Chain As We Know it (And I Feel Fine)

Not a day goes by when I do not read cataclysmic stories on how the supply chain is completely broken. From massive shipping delays to shortages of microchips, the supply chain up and down the line has been dramatically affected. I speak with members every day who tell me stories of unreliable shipping and long lead times on parts. There are simply parts that are just not available for the foreseeable future.

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