55512351 SNS0499A A3C02981000-02 NOx sensor

55512351 SNS499A A3C02981000-02 NOX exhaust gas sensor

55512351 Nitrogen Oxide sensor is factory fitted on GM brand Opel and Vauxhall  Insignia MK2 B Z18 cars with 1.6L CDTi diesel engine.

If you have did on-board computer scan after seeing check engline light on the dashboard and your car is showing any of the fault codes related to nox sensor POSN2 means Position 2, then you'll need to replace it.

It is always recommended to fix this issue as soon as possible to avoid any damages to DPF filter, otherwise diesel particulate matter or soot can clog filter and it will cost you thousands to fix.

NOX stands for Nitrogen Oxide.

Error cleaning may be required, but just once after fitting new NOX sensor, it can be done by yourself, no need to visit dealer.

Information from sensor: ASM-NOXPOSN2.

Continental SNS499A A3C02981000-02 sensor is also kwown as control unit with nox-sensor for emissions control.

55512351 NOX sensor is factory fitted to Vauxhall or Opel cars with diesel engine.

DPF means diesel particulate filter.

What does nox sensor do ?

A nitrogen oxide sensor in short NOX is high temperature part is used in cars to detect and measure out amount of this compound (nitrogen oxides) coming out of exhaust system to ensure, it is mostly found in diesel cars.

Replacement sensor probe with ballast unit will save you a fortune, solve your NOX problems and you will comply with enviromental emissions laws again.

Below you will find a list of compatible and exchange part numbers collected by us.

GM part numbers

• 55512351

Continental part numbers

• SNS0499A
• A3C02981000-02

More compatible part numbers

• 55512351 
• SNS0499A A3C02981000-02
• Vitesco Technologies
• SNS0499B AAA9034080000
• 55495632 SNS499 A2C15391500-01
• 55495597 SNS718 A2C15954900-02

Compatible Opel Vauxhall cars:

• Vauxhall Opel Insignia MK2 Z18 2018 2019 2020 2021
• 1.6 CDti diesel
• Saloon Sedan Estate Grand Sport
• Engine code D16DTN D16DTH