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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

A Vision for 2021

Whether your business is down or it is booming, one thing is for sure; It is necessary to set the direction for your company at the beginning of the year. If your business is slow, now is the time to think about your vision for your company and how you can turn your vision into reality. If you are busy, you must still plan for the new year because perhaps you have been blessed, and now you need to plan for expansion which is another type of vision.

My Investment in NARSA/IDEA

What is your investment worth?

This question led me to a conundrum that I had experienced recently. A former member reached out to the home office with a very specific question that only a few people in the industry would know.

January/February 2021 Cooling Journal

The first Cooling Journal magazine of 2021 has arrived! In this issue, we dig into the history of Don Harts Radiator in Texas, whose ties to the industry go back 100 years! Plus, we also have technical articles including a guide to measuring radiator cores accurately and how oscilloscopes are used in the heavy-duty market.

“Solder & Soot” Podcast Episode 02: Don Hart Radiator

In our second episode, we sit down with Don Hart of Don Hart Radiator in Texas. Hart’s ties in the industry actually go back more than 100 years. Hart discusses what he’s learned from his mistakes and the role NARSA/IDEA has played in the success of his business.

Webinar: Aftertreatment 101 (Part 2)

The discussion continues in Part 2 of Aftertreatment 101 where you will learn more about engine maintenance in relationship DPF maintenance and failures. Why is it important to be proactive? Attendees will also dive into cleaning machines types and why there is no one size fits all.

Webinar: Measure that Radiator Core Error Free (Part 2)

In Part 2 “Measure that Radiator Core Error Free!”, we explore how to properly count fins per inch in serpentine and flat fin radiator cores. Attendees will also learn the method for counting tubes in a radiator core without actually counting each tube and a continuation of ordering the correct headers either for a solder together or bolt together application. At the end of this session, you should be armed with the necessary information for ordering radiator cores correctly.

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