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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 21: Pat O’Connor

In this episode of “Solder & Soot,” we sit down with cooling systems industry expert Pat O’Connor, Vice President of Sales at Johnson Manufacturing. Pat will be inducted into NARSA’s Cooling Systems Hall of Fame in 2023. Without a doubt, NARSA would not be what it is today without Pat’s influence. In addition to hearing about his successful career, we learn how Pat was instrumental within our association in bridging the gap between manufacturers and service shops.

Hello from Scotland!

No matter the level of sophistication of yours or someone else’s business, I can assure you there is always something to learn that will make a difference in your business. New ideas are created by exposing yourself to the ideas of others. The greatest compliment to another individual or company is when you take an idea that has been shared and make it your own. Just like all of your relationships in life, they are only as good as the effort that you put into them. 

Don’t Miss NARSA Members at AAPEX!

We can’t wait to connect with all our members, friends, and colleagues next week at AAPEX/SEMA in Las Vegas! You won’t want to miss NARSA/IDEA’s booth along with many of our members’ booths on the second floor of the Venetian in NARSA’s section, also known as the Mobile Heat Transfer/Heating/Air Conditioning section.

Big Shoes to Fill

Not a NARSA event goes by that someone doesn’t pull me aside for a quick anecdote about a kind gesture that my grandad did when they were first starting in the radiator business or a story of how my dad was tasked with giving the blessing at each event he attended. These two men have created such a strong foundation for our family in this industry that it seems only natural for me to follow in their footsteps and serve as the next NARSA/IDEA president, but boy will these be some awfully big shoes to fill.

September/October 2022 Cooling Journal

We take you to the United Kingdom in the latest issue of the Cooling Journal following the 2022 International Tour. Hear what NARSA members had to say about this special visit. Plus, we learn about the history of Laramie Radiator, which is celebrating 75 years in business this year!

“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.

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