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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

  • Connect with 200+ radiator shops and manufacturers, cooling system experts and DPF specialists
  • Attend annual conferences
  • Participate in “Lunch & Learn” webinars
  • Subscription to The Cooling Journal, our bi-monthly magazine
  • Subscription to NARSA Now newsletter
  • 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

“Solder & Soot” Podcast Episode 20: L&M Radiator

Minnesota-based L&M Radiator is well-known in the cooling systems industry, but our listeners may not know the company’s origins and how it can be traced back to WWII. In this episode of Solder & Soot, we sit down with David “Sully” Sullender to learn what sets MESABI® products apart.

Another Chapter Coming to an End

The Board of Directors decided on a different approach to start the search for my replacement. In the past, the search was kept behind the scenes. Sometimes head hunters were used to identify candidates, but now the Board is convinced that a person from within our industry is best suited to help manage the affairs of the association.

President’s Farewell Message

So this is it… my last editorial as NARSA/IDEA President. One thing I can say is that in no way did it go as expected. As NARSA/IDEA’s first and hopefully only pandemic President, my experience was in many ways unique. What should have been two years full of meetings with members and visiting shops and factories was converted into virtually zero travel and lots of zoom calls. I think I can speak for virtually all members in stating that I will not be missing the lack of in-person events that my term in office unfortunately necessitated. However, like all radiator professionals worldwide, we did what we did best and adapted to the new reality.

Troubleshooting Overloaded or Failed Filters

Since DPF cleaning facilities make money by servicing DOC, DPF, and SCR units, how far do they go into telling the shop that dropped it off or the filter owner what the filter condition was? Or that a further look into the engine is necessary to keep from having more aftertreatment issues quickly?

“Solder & Soot” Podcast Episode 19: Roppel Industries

In the cooling systems industry, the Roppel family of Kentucky is well known. In this episode of “Solder & Soot,” we sit down with father and son Tom and Corey Roppel to learn about the early days of the family business and how Roppel Industries has transformed over the past 75 years. This episode isn’t strictly all business, though. We also talk about Kentucky bourbon, learn about Tom’s best pranks, and hear why the Roppels refuse to wear socks.

Career Opportunity

NARSA/IDEA is looking for a person to be the next Executive Director of the association. NARSA/IDEA will provide the new Executive Director a proven framework for their success. Processes and procedures have been outlined and used for building a successful association which is growing and prospering. Financial compensation is commensurate with experience and skills.

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