The NOx sensor for the Opel Insignia A measures nitrogen oxides before the catalytic converter. It is suitable for 2008–2017 models with a 2.0 CDTI engine producing 170 hp.
- Type: NOx sensor
- Installation position: Before the catalytic converter
- Compatibility: Opel Insignia A, 2008–2017 models with a 2.0 CDTI engine producing 170 hp