Eaton delivers FAA-approved Boeing 737 Next Generation / 737 MAX oxygen sensor replacement to commercial aviation aftermarket

  • Eaton’s product offers increased oxygen sensing accuracy and an extended warranty.
  • Eaton’s oxygen sensor for commercial single-aisle aircraft serves as a form, fit and functional replacement for the OEM’s oxygen sensor. No modifications to aircraft are required.

Intelligent power management company Eaton’s nitrogen generation system oxygen sensor for the Boeing 737 NG / 737 MAX has been approved by the Federal Aviation Administration, providing a timely and cost-effective OEM replacement solution that will help customers meet new regulatory requirements. Eaton’s oxygen sensor is a form, fit and functional replacement for the OEM Boeing 737 NG / 737 MAX sensor.

In response to the market need for a more reliable oxygen sensor, Eaton’s replacement is designed from its proven high-performance commercial and military oxygen sensor that provides cost savings through increased reliability and time on wing. Additionally, the data logging feature enables operators to troubleshoot the nitrogen generation system (NGS) planeside without dependence on the OEM.

“We responded to the needs of our global customers by delivering a seamless, turnkey solution that helps them adhere to time-sensitive regulatory requirements,” said Matt Norman, vice president, Aftermarket and Commercial Services, for Eaton’s Aerospace Group. “Most importantly, we enhanced the product technology in ways that elevate aircraft performance and reliability while reducing maintenance costs.”

Replacement of the OEM’s oxygen sensor with Eaton’s oxygen sensor complies with AWL No. 47-AWL-09 & 10; AD 2021-11-24 & 2023-05-06. The replacement Boeing 737 NG / 737 MAX oxygen sensor (part number 3270108-0101) complements Eaton’s existing highly reliable Boeing 737 NG / 737 MAX air separation module replacement for the same platform. When paired together, the products significantly maximize NGS reliability and cost savings. As the global leader in fuel inerting, Eaton’s inerting products have amassed 52 million flight hours on over 5,000 commercial and military aircraft.

To learn more about Eaton’s NGS oxygen sensor and ASM, visit NGS oxygen sensor | Aerospace | Eaton.

Eaton delivers next-generation aerospace technologies to commercial and military markets across the globe. Designed to elevate aircraft performance, efficiency and safety, our comprehensive portfolio includes everything from hydraulic, fuel and oxygen systems to air conveyance, motion control and engine solutions.

Eaton is an intelligent power management company dedicated to protecting the environment and improving the quality of life for people everywhere. We make products for the data center, utility, industrial, commercial, machine building, residential, aerospace and mobility markets. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy sources, helping to solve the world’s most urgent power management challenges, and building a more sustainable society for people today and generations to come.

Eaton was founded in 1911 and has been listed on the New York Stock Exchange for more than a century. We reported revenues of $23.2 billion in 2023 and serve customers in more than 160 countries. For more information, visit Follow us on LinkedIn.


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