NOx / Lambda Sensor 9830288780 – Peugeot & Citroën 1.5 BlueHDi Exhaust Emission Sensor

Upgrade your exhaust and emissions system with the NOx / Lambda Sensor 9830288780, engineered for direct fitment on 1.5 BlueHDi diesel engines in popular models from Peugeot, Citroën, Fiat, Opel / Vauxhall and DS Automobiles. This OEM-spec sensor (part number 9830288780), with 5-pin connector and 12 V supply, is designed to mount after the catalytic converter — ensuring accurate measurement of exhaust composition (oxygen and NOₓ levels). It helps your engine control unit optimise the air-fuel mixture for efficient combustion, lower emissions, and peak catalytic converter performance. At DDP Autoparts, we supply only high-quality sensors that meet or exceed OEM standards, giving you reliable performance and emissions compliance.

OEM Number: 0281008669, 0281008670, 0281008669/670, 0281008064/065, 9830288780, 9816276480, 0281006851852, 9811207180, 0281006853/854

Fitting Position : after catalytic converter

Number of pins : 5-pin connector

Voltage : 12 V

Quantity : 1

Our SKU: TP9830288780_94

All our NOX Lambda Sensor 1.5HDI 2021 for Peugeot Partner - 9830288780 are OEM quality and reliable after market car parts. This NOX Lambda Sensor 1.5HDI 2021 for Peugeot Partner - 9830288780 is specifically compatible with Citroën: Berlingo, C4 Spacetourer, C5 Aircross, Grand C4 Spacetourer, DS: DS 7, DS4, Fiat: Doblo, Scudo, Opel: Astra, Combo, Grandland / Grandland X, Peugeot: 3008, 308, 308 SW, 5008, 508, 508 SW, Partner, Rifter, Traveller, Vauxhall: Astra, Combo, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

❓ Frequently Asked Questions (FAQ)

Q: What does a NOx / Lambda sensor do?
A: The sensor monitors oxygen and nitrogen-oxide levels in the exhaust gases. For diesel engines, a NOx sensor often includes an oxygen pump cell and a NOx detection cell — allowing the engine control unit (ECU) to adjust fuel-air mixture and emissions equipment accordingly.

Q: Which vehicles is this 9830288780 sensor compatible with?
A: This part is compatible with 1.5 BlueHDi diesel engines in specific models from Peugeot, Citroën, Fiat, Opel/Vauxhall and DS Automobiles. Always double-check your vehicle’s engine code, manufacture year, and OEM part number before ordering.

Q: Where should the sensor be fitted? Before or after catalytic converter?
A: The 9830288780 sensor is designed for fitting after the catalytic converter — i.e. the exhaust-outlet side — to monitor exhaust emissions post-treatment and ensure proper NOx levels.

Q: What happens if the NOx / Lambda sensor fails or is faulty?
A: A faulty sensor can lead to incorrect exhaust gas readings, which may cause sub-optimal air-fuel mixture, reduced fuel efficiency, higher emissions, and in some cases trigger engine warning lights. Replacing a failing sensor promptly helps maintain performance and protects the catalytic converter.

Q: Can I install this sensor myself? Any installation tips?
A: If you have basic mechanical skills and the correct tools, you can replace the sensor yourself. Ensure the exhaust thread is clean before installation, avoid over-torquing the sensor, and use anti-seize compound on the threads if recommended (do not apply to the sensor tip). Also, check that the connector and wiring match your original unit.

Q: Will this sensor help reduce emissions and improve engine performance?
A: Yes — by providing accurate NOx and oxygen readings to the ECU, the sensor helps maintain optimal air-fuel ratio, which supports efficient combustion, lower emissions, and can reduce fuel consumption when the rest of the engine is in good condition.