What is the construction and purpose of lambda sensors and O2 sensors?

Lambda sensors and O2 sensors are measuring elements mounted in the exhaust system, most often in the manifold, exhaust pipe, or near the catalytic converter. A typical sensor consists of a body with a thread, a measuring part, a cable, and an electrical connector. Their purpose is to read the oxygen content in exhaust gases and transmit data to the engine control unit. Depending on the version, they can operate as control or diagnostic sensors.

What are lambda sensors and O2 sensors used for?

Lambda sensors and O2 sensors are used to control exhaust gas composition and correct the air-fuel mixture. Thanks to them, the control unit can maintain proper combustion, reduce fuel consumption, and support the effective operation of the catalytic converter. Their operation also affects idle stability and engine response to load. Incorrect readings can cause emission errors, poorer dynamics, and problems with exhaust system diagnostics.

What role does the lambda sensor socket play?

The lambda sensor socket is a threaded mounting point made in an exhaust system component. It serves to stably seat the sensor in a place where exhaust flow allows for accurate oxygen content measurement. Its condition is important for connection tightness, proper tightening, and the safety of the sensor cable. A damaged thread or improper cable positioning can hinder installation and subsequent service.

How to choose the right lambda sensor for a specific car?

It is best to compare the OEM part number, interchangeable numbers, fuel type, and mounting location before or after the catalytic converter. It is also worth checking the plug type, number of wires, and compatibility with the engine version. If the car has several equipment variants, verification by VIN will be helpful.

What symptoms indicate a problem with a lambda sensor or O2 sensor?

Most often, rough engine operation, higher fuel consumption, poorer throttle response, and a "check engine" light appear. There may also be an increase in exhaust emissions and errors related to mixture correction or catalytic converter efficiency. Symptoms should be confirmed by computer diagnostics and live parameter monitoring.

What should be paid attention to when installing a used lambda sensor?

Before installation, you must check the condition of the thread, cable, shield, and electrical connector. It is also important to route the harness correctly away from very hot components and match the part to the specific mounting position. If necessary, it is also worth checking the cooperating exhaust system gaskets: tightness and engine efficiency.

Lambda probes and O2 sensors

At Global Parts, we offer a wide selection of original used car parts, including lambda sensors and O2 sensors for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Our lambda sensors and O2 sensors undergo quality control to ensure you receive a top-quality product.

More information

Find it faster

Match to your vehicle

Make

Renault Trafic II 2.0 DCi Diesel Lambda Sensor Oxygen Sensor Probe 226447142R

Product currently unavailable

Part no. 226A47142R

Renault Laguna III 2.0 DCI Diesel Lambda Sensor Oxygen Sensor Probe 226A47142R

Product currently unavailable

Part no. A0009054309

Mercedes W204 OM656 Exhaust Gas Temperature Sensor A0009054309

Product currently unavailable

Part no. 80A906261D

Audi Q5 FY Nox Exhaust Gas Sensor Lambda Probe Diesel 4-6 Cylinders 80A906261D

Product currently unavailable

Part no. 39210-2A800

Kia Sportage Mk3 DPF Differential Pressure Exhaust Gas Sensor 39210-2A800

Product currently unavailable

Part no. A1668800359

Mercedes W166 Bonnet Hood Lock Cable Bowden A1668800359

Product currently unavailable

Part no. 7809158

BMW 3 5 X5 Series E60 LCI E70 E90 E91 M57N2 Exhaust Temperature Sensor 7809158

Product currently unavailable

Part no. 7809157

BMW E60 E61 X5 E70 X6 E71 X3 E83 E91 E92 M57 Exhaust Temperature Sensor 7809157

Product currently unavailable

Part no. A0009058611

Mercedes W205 Diesel Lambda Exhaust Gas Temperature Sensor A0009058611

Product currently unavailable

Part no. 03N907807AD

Volkswagen Crafter SY NOX Lambda Probe Sensor 2.0 TDI Diesel Engine 03N907807AD

Product currently unavailable

Part no. A6079053700

Mercedes W415 Exhaust Temperature Sensor OM607 Diesel Particulate Filter Gas

Product currently unavailable

Part no. 226404039R

Renault Trafic III Temperature Sensor Exhaust Gas Sensor 226404039R

Product currently unavailable

Part no. 8689862

BMW X1 G01 G20 G21 Petrol Engine Exhaust Oxygen Lambda Probe Sensor 8689862

Product currently unavailable

Part no. 8689863

BMW X3 G01 Lambda Probe Sensor Oxygen Nox Monitor 8689863

Product currently unavailable

Part no. 7809153

Temperature Sensor BMW E60 E83 E90 E92 Exhaust Gas Sensor Wiring Cable 7809153

Product currently unavailable

Part no. A0009056814

NOX Sensor Mercedes C118 W447 W177 W247 Lambda Oxygen Probe A0009056814

Product currently unavailable

Part no. A6089051200

Mercedes W177 OM608 Diesel Exhaust Gas Temperature Sensor 226400160R

Product currently unavailable

Part no. 0281002924

Mercedes W204 W212 W906 Diesel Exhaust Pressure Sensor DPF 0281002924

Product currently unavailable

Part no. 7809155

Temperature Sensor BMW E60 E61 E65 X3 E83 M57N2 Exhaust Gas 7795175

Product currently unavailable

Part no. A0009050108

NOX Sensor Mercedes W205 W213 W238 W447 Lambda Oxygen Probe A0009050108

Product currently unavailable

Part no. A0009050508

Mercedes W177 Exhaust Lambda Oxygen Sensor M260 A0009050508

Product currently unavailable

Part no. 6G9N5L200AB

Ford Fiesta MK7 Transit DPF Exhaust Gas Pressure Sensor 6G9N5L200AB

Product currently unavailable

Part no. A0009058411

Knox Sensor Mercedes X253 GLC 220d Exhaust Nitrogen Oxide Sensor A0009058411

Product currently unavailable

Part no. 46356329

Vauxhall Movano C Exhaust Gas Temperature Sensor Sender 46356329

Product currently unavailable

Part no. 55566185

Vauxhall Opel Insignia Diesel Exhaust Gas Temperature Sensor Cable 55566185

Product currently unavailable

Part no. 55566186

Vauxhall Insignia A 2.0 CDTI Diesel DPF Exhaust Gas Pressure Sensor 55566186

Product currently unavailable

Part no. A0009050432

Mercedes W222 OM642 Diesel Exhaust Gas Temperature Sensor A0009050432

Product currently unavailable

Part no. 8K0906262C

Audi A4 B9 A5 F5 Q5 FY Exhaust Lambda Oxygen Sensor Petrol Engine 8K0906262C

Product currently unavailable

Part no. A0005407517

Lambda Sensor Mercedes W210 Petrol Engine Lambda Probe Right A0005407517

Product currently unavailable

Part no. 03L906262

Audi A4 B8 2.0 TDI Lambda Sensor Oxygen Sensor Lambda Probe 03L906262

Product currently unavailable

Part no. F1FA-9G444-BA

Ford Transit Connect Mk2 Lambda Probe Oxygen Sensor 1.0 GTDI F1FA-9G444-BA

Product currently unavailable

Part no. A0015400617

Mercedes-Benz C-Class W203 Lambda Oxygen Sensor A0015400617

Product currently unavailable

Part no. A6089051400

Mercedes W177 OM608 Exhaust Gas Temperature Sensor A6089051400

Product currently unavailable

Part no. 55355404

Opel Astra H 1.9 CDTI Exhaust Gas Temperature Sensor EGT Probe GM 55355404

Product currently unavailable

Part no. 55572548

Vauxhall Insignia Lambda Sensor Oxygen Sensor Lambda Probe 55572548

Product currently unavailable

Part no. 226901841R

Smart Fortwo C453 Lambda Probe Exhaust Oxygen Sensor Unit 226901841R

Product currently unavailable

Part no. 226937264R

Smart Fortwo C453 Lambda Oxygen Sensor Exhaust Probe Wiring 226937264R

Product currently unavailable

Part no. 227701177R-2

Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227701177R

Product currently unavailable

Part no. FR3A-9Y460-GC

Ford Mustang Mk6 GT Lambda Probe Oxygen Sensor 5.0 Petrol Engine FR3A-9Y460-GC

Product currently unavailable

Part no. 04E906262GG

Seat Arona Fr Kj7 Lambda Probe D NOX Sensor 04E906262GG

Product currently unavailable

Part no. 05L907807P

VW Volkswagen Transporter T6 Sensor Probe NOX DNAB Engine 05L907807P

Product currently unavailable

Part no. 4K0907807AA

Audi Q5 FY 2.0 Diesel NOX Oxygen Lambda Sensor 4K0907807AA

Product currently unavailable

Part no. 0281004174

VW Volkswagen Crafter 2.0 TDI Lambda Oxygen Exhaust Sensor Probe 0281004174

Product currently unavailable

Part no. 059906088BH

Audi A6 C6 Exhaust Gas Temperature Sensor Valve 2.7 TDI 059906088BH

Product currently unavailable

Part no. DV61-12B591-AA

Ford Connect 1.6 TDCI Exhaust Gas Temperature Sensor DV61-12B591-AA

Product currently unavailable

Part no. KV61-5L239-AB

Ford Transit Connect NOx Lambda Exhaust Sensor 1.5 Diesel KV61-5L239-AB

Product currently unavailable

Part no. 7795166

BMW 1 3 5 Series E60 E87 E90 M57N M47N2 Exhaust Temperature Sensor 7795166

Product currently unavailable

Part no. 7587130-5

NOx Sensor BMW E81 E87 LCI E90 E91 E92 Petrol N43 Control Unit 7587130 5WK96610L

Product currently unavailable

Part no. 06A906262BS

Audi A3 8P Lambda Sensor Oxygen Sensor Lambda Probe 2.0 TDI 06A906262BS

Product currently unavailable

Part no. 06F906262AJ

Audi A3 8P 1.6 Petrol Lambda Oxygen Exhaust Sensor Cable 06F906262H 06F906262AJ

Product currently unavailable

Part no. ESNBTS-200

Renault Trafic II Temperature Sensor Exhaust Flue Gas Sensor ESNBTS-200

Product currently unavailable

Part no. 1786775

Ford Focus Mk3 Mondeo Mk4 DPF Exhaust Pressure Sensor 1786775 AV61-5L200-AB

Product currently unavailable

Part no. A0009053109

NOX Sensor Mercedes C118 W177 W205 W447 OM608 Lambda Oxygen Probe A0009053109

Product currently unavailable

Part no. 6G91-12B591-DA

Ford Focus Mk3 Exhaust Gas Temperature Sensor 1.6 TDCI 6G91-12B591-DA

Product currently unavailable

Part no. 227702184R-2

Renault Trafic III Exhaust Pressure Sensor DPF Particulate Filter 227702184R

Product currently unavailable

Part no. 03L906088CC

VW Audi Golf 6 A3 8P 2.0TDI Exhaust Gas Temperature Sensor EGT Probe 03L906088CC

Product currently unavailable

Part no. 46356036

Vauxhall Movano C NOX Exhaust Oxygen Sensor Probe 46356036

Product currently unavailable

Part no. GB3G-9Y460-AA

Ford Ranger Wildtrak Mk6 Lambda Oxygen Sensor GB3G-9Y460-AA

Product currently unavailable

...

Showing 991-1049 of 1049 products