NOx Sensors

The NOx sensor measures the proportion of nitrogen oxides in a vehicle’s exhaust gas.

Learn more about our NOx Sensor products here


  • We are the only NOx manufacturer to supply both the Aftermarket and OEMs
  • We offer true OE quality level. Each NOx sensor is tested for 5+ days and individually calibrated
  • 100% newly produced, with high vertical integration: From the base chemicals to the finished product all in one factory
  • Fully independently developed hardware and software
  • 1:1 replacement for original parts

Products & Range

  • We offer over 180 NOx sensor models in our current range
  • We have the best market coverage: all European  and US truck brands plus popular passenger cars & light commercial vehicles (LCV)
  • Currently, there are 100 new NOx sensors in development
  • We are ready for the future, preparing next-gen NOx Sensors and Euro 7


  • Our stock is located in Troisdorf, Germany. We have a stable stock of 8000 pcs in our  AMPRO warehouse
  • Popular models ship within one day
  • Our production capacity is 1.200.000 NOx- sensor pieces per year
  • Very large orders can be delivered within 2 – 4 weeks from order date


  • German AMPRO brand
  • Multilingual sales and technical support
  • Trainings for sales and product management teams
  • Marketing support
  • Global distribution network

Our History

AMPRO Technologie GmbH is a rapidly growing developer and distributor of automotive parts, focused on complex exhaust system sensors.

Founded in 2007, we are a family-run business with a strong passion for the environment, technology and automobiles. Today we are energetically run by the family’s next generation together with our enthusiastic and committed team of technical experts. Our office and warehouse are located in Troisdorf, Germany.

Since its beginning AMPRO has worked in partnership with industry-​leading Chinese manufacturers, uniting the strengths of both worlds. Together with our joint venture production we provide Nitrogen Oxide (NOx) Sensors offering the best reliability, accuracy and longevity, even surpassing original equipment.

Mission, Vision & Values


To create the highest quality
solutions to reduce car emissions
and be the best partner for
the automotive aftermarket.


To facilitate the transition
towards the coming generations
of automotive technologies
on a global scale.


We respect, trust and value our people and encourage their development.
We are passionate, open and honest.
We provide high quality products and superb service.
Together, this delivers premium value to our customers.

© Copyright 2020 Design by TZ-Webdesign & E-Commerce Consulting