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.

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BMW F20 F21 F30 F31 LCI Mini F56 F57 Nox Sensor Diesel 8580408

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009050713

Temperature Sensor Mercedes W205 W223 C253 Exhaust Gas Control A0009050713

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009050332

Gas Temperature Sensor Mercedes W166 OM651 Exhaust Sensor Wiring A0009050332

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03C906262AF

VW Golf Mk6 Scirocco Mk3 1.4 TSI NOX Sensor Lambda Oxygen Probe 03C906262AF

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L906088BN

Audi A4 B9 A6 C8 A7 4K Q5 FY Exhaust Gas Temperature Sensor 2.0 TDI 05L906088BN

€42.95

Free delivery: Sep 24 – 29

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Part no. 7513963

BMW E60 E61 E65 X3 E83 Z4 E85 Lambda Monitor sensor L=990MM 7513963

€23.95

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Part no. 8514730

BMW 3 5 X6 Series F10 F30 F31 E71 N57 N57N Temperature Sensor Exhaust 8514730

€23.95

Free delivery: Sep 24 – 29

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Part no. A0035428818

Mercedes W164 W211 W221 OM642 Front NOX Sensor L=615MM SiemensVDO A0035428818

€47.95

Free delivery: Sep 24 – 29

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Part no. 8J0971830

Audi TT Mk2 8J Lambda Probe Connector Wiring Cable Guide Cover Housing 8J0971830

€23.95

Free delivery: Sep 24 – 29

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Part no. 06E906265C

Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265C

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L906088Q

Audi A5 F5 Skoda Karoq Exhaust Gas Temperature Sensor 2.0 TDI Diesel 05L906088Q

€66.95

Free delivery: Sep 24 – 29

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Part no. 8W0907807BC

Audi A4 B9 A5 F5 NOx Sensor 2.0 TDI Diesel 8W0907807BC

€355.95

Free delivery: Sep 24 – 29

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Part no. 7823854

Lambda Probe Bracket BMW F10 F20 F30 N47S1 Plug Support Holder 7823854

€23.95

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Part no. 057906262E

Audi Q7 4L 4.2 TDI Lambda Sensor Oxygen Sensor Lambda Probe 057906262E

€28.95

Free delivery: Sep 24 – 29

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Part no. 99660617801

Porsche 911 996 997 Exhaust Oxygen Lambda Sensor Cable Wiring 99660617801

€32.95

Free delivery: Sep 24 – 29

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Part no. C1BY-9Y460-AB

Ford Fiesta Mk7 Lambda Probe Oxygen Sensor 1.6 Ecoboost Engine C1BY-9Y460-AB

€37.95

Free delivery: Sep 24 – 29

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Part no. 7558087

BMW E82 E88 E90 E91 E92 N54 Regulating Lambda Probe L=1200MM 7558087

€56.95

Free delivery: Sep 24 – 29

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Part no. 057906262F

Audi Q7 4L 4.2 TDI Lambda Sensor Oxygen Sensor Lambda Probe 057906262F

€23.95

Free delivery: Sep 24 – 29

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Part no. 4G0907807AN

Audi A6 Allroad A7 4G8 NOX Lambda Sensor Probe Oxygen Sensor 4G0907807AN

€279.95

Free delivery: Sep 24 – 29

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Part no. 8514929

BMW F10 F12 F30 F31 F32 N57Z Exhaust Temperature Sensor 8514929

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 058905379

Audi TT 8N Air Conditioning Heater A/C Temperature Sensor Unit 058905379

€23.95

Free delivery: Sep 24 – 29

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Part no. 1KO973804

Volkswagen Golf 5G Exhaust Lambda Oxygen Sensor 2.0 Petrol BlueMotion 1KO973804

€23.95

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Part no. 8K0906262F

Audi A4 B9 A5 Petrol Exhaust Lambda Oxygen Sensor 8K0906262F

€23.95

Free delivery: Sep 24 – 29

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Part no. AV61-9D375-BA

Ford Kuga C394 Mk1 Lambda Oxygen Sensor Unit 2.0 TDCi Diesel AV61-9D375-BA

€23.95

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Part no. 04L906088DA

VW Volkswagen Passat B8 Exhaust Gas Temperature Sensor 1.6 TDI DCXA 04L906088DA

€23.95

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Part no. A0009057113

Mercedes W177 Diesel OM654 Exhaust Gas Recirculation Pressure Sensor A0009057113

€32.95

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Part no. 7804758

BMW E60 E90 91 LCI E70 E71 M57N2 Exhaust Temperature Sensor 7804758

€80.95

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Part no. GK21-9Y460-AB

Ford Tourneo Custom Oxygen Lambda Sensor Unit 2.0 Diesel Engine GK21-9Y460-AB

€37.95

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Part no. A0009053905

Mercedes W906 W907 OM651 Diesel Exhaust Gas Temperature Sensor A0009053905

€32.95

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Part no. 04L906088DB

Audi Q3 8U A3 8V Exhaust Gas Temperature Sensor Wiring 04L906088DB

€23.95

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Part no. A0075420018

Mercedes W204 S204 W212 S212 NOX Lambda Probe Oxygen Sensor Control A0075420018

€56.95

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Part no. 03G906088BA

Audi A4 B7 A6 C6 Diesel Engine Exhaust Gas Temperature Sensor 03G906088BA

€32.95

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Part no. 8644371-1

BMW F20 F21 F30 LCI F32 Exhaust Lambda Oxygen Sensor Petrol 8644371

€42.95

Free delivery: Sep 24 – 29

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Part no. 2010986

Ford Transit Connect Mk2 Lambda Oxygen Sensor 1.5 TDCI F1F1-9Y460-EA

€28.95

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Part no. A0009058705

Mercedes W205 GLC C253 OM642 OM651 Exhaust Gas Temperature Sensor A0009058705

€32.95

Free delivery: Sep 24 – 29

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Part no. 0258027015

BMW F10 Petrol Oxygen Sensor Exhaust Lambda 0258027015

€23.95

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Part no. 8058646

BMW X3 F97 M X4 F98 M S58 Oxygen Sensor Exhaust Lambda Probe L=640MM 8058646

€42.95

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Part no. 7521705

BMW 5 6 7 Series E60 E63 E64 E65 E66 Sensor Lambda Probe Grey Petrol 7521705

€23.95

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Part no. 7843161

Lambda Probe Bracket BMW F10 M5 F12 M6 Manifold Sensor Support Holder 7843161

€23.95

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Part no. 059906262H

Audi A6 C6 Exhaust Lambda Probe Oxygen Sensor 2.7 TDi Diesel CANC 059906262H

€23.95

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Part no. FW93-12B591-DB

Range Rover Sport L494 Exhaust Temperature Sensor 3.0 SDV6 Diesel FW93-12B591-DB

€47.95

Free delivery: Sep 24 – 29

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Part no. FC4A-5L200-CA

Ford Fiesta Mk8 DPF Exhaust Pressure Sensor ST 1.5 EcoBoost FC4A-5L200-CA

€42.95

Free delivery: Sep 24 – 29

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Part no. 2190897

Ford Transit Connect Mk2 Air Pressure MAP Sensor Unit 1.5 EcoBlue 9814003580

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03C906262T

Audi A3 8P VW Golf Mk6 1.4 TSI CAXC Petrol Engine Lambda Sensor 03C906262T

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7848483

BMW F80 M3 F82 F83 M4 Lambda Probe Oxygen Monitor Sensor 7848483

€51.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7P5906262

Porsche Cayenne 92A Lambda Oxygen Probe Sensor Petrol 7P5906262

€23.95

Free delivery: Sep 24 – 29

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Part no. 1543768

Ford Transit Courier Exhaust Gas Temperature Sensor 1.5 TDCi 6M51-12B591-DA

€56.95

Free delivery: Sep 24 – 29

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Part no. 04L906088BL

Skoda Octavia 5E Audi A3 8V Exhaust Gas Lambda Probe Oxygen Sensor 04L906088BL

€23.95

Free delivery: Sep 24 – 29

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Part no. BA5A-9Y460-AA

Ford Focus Mk3 Kuga Lambda Oxygen Sensor 2.0 Petrol BA5A-9Y460-AA

€23.95

Free delivery: Sep 24 – 29

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Part no. 04L906051F-1

Volkswagen Skoda Audi 2.0 TDI Diesel DPF Pipe Pressure Sensor 04L906051F

€23.95

Free delivery: Sep 24 – 29

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Part no. 04L906261B

Volkswagen Transporter T6 Nox Lambda Sensor 2.0 TDI 04L906261B

€213.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009057609

Mercedes W177 W247 AMG Gas Exhaust Temperature Probe Sensor A0009057609

€23.95

Free delivery: Sep 24 – 29

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Part no. 46350838

Vauxhall Movano C Exhaust Gas Temperature Sensor Sender 46350838

€37.95

Free delivery: Sep 24 – 29

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Part no. 07L906265

Audi S5 8T 4.2 FSI CAUA Petrol Exhaust Oxygen Lambda Probe Sensor 07L906265

€23.95

Free delivery: Sep 24 – 29

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Part no. 227702184R

Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227702184R

€23.95

Free delivery: Sep 24 – 29

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Part no. 8686978

Lambda Sensor BMW F70 F74 U06 U10 U12 Probe Oxygen Monitor 8686978

€32.95

Free delivery: Sep 24 – 29

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Part no. 9687160780

Ford Focus Mk3 Volvo S60 V60 Lambda Oxygen Sensor 1.6 TDCi 9687160780

€23.95

Free delivery: Sep 24 – 29

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Part no. A0045420818

Mercedes-Benz W164 W204 W211 W212 W221 Petrol Lambda Sensor Probe A0045420818

€23.95

Free delivery: Sep 24 – 29

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Part no. A0015420718

Lambda Sensor Mercedes W169 W245 Oxygen Probe A0015420718

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 036906262AA

Seat Ibiza 6J Mk4 Lambda Probe Oxygen Sensor 1.4 Petrol Engine 036906262AA

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07L906262R

Audi TT 8J Exhaust Gas Temperature Lambda Probe Sensor 2.5 TFSI 07L906262R

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8644371

Petrol Oxygen Sensor BMW F20 F21 F30 LCI Exhaust Lambda 8644371

€51.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8686977

BMW F70 F74 F78 U06 Active Tourer U11 Sonde Lambda Probe Oxygen Sensor 8686977

€42.95

Free delivery: Sep 24 – 29

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Part no. K8D2-12A610-B

Range Rover Evoque L551 Nox Sensor Rear Bracket Mount Holder K8D2-12A610-BD

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 036906262D

Seat Ibiza 6J Mk4 Lambda Probe Oxygen Sensor 1.4 Petrol Engine 036906262D

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. GH22-5J299-AB

Land Rover Discovery Sport L550 NOx Oxygen Sensor 2.0 Diesel GH22-5J299-AB

€75.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8K0907807J

Audi A5 8T 2.0 TDI CNHA Oxygen NOX Sensor Module Control Unit 8K0907807J

€75.95

Free delivery: Sep 24 – 29

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Part no. 7558055

Exhaust Lambda Probe BMW E60 E87 E90 E91 Exhaust Sensor Wiring 7558055

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7537984

BMW E60 E61 E65 E66 E87 E90 E91 Regulating Lambda Probe Petrol

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Audi A4 B9 A5 F5 A6 C7 Exhaust Gas Temperature Sensor 3.0 TDI 4M0906088AL

-2%

Part no. 4M0906088AL

Audi A4 B9 A5 F5 A6 C7 Exhaust Gas Temperature Sensor 3.0 TDI 4M0906088AL

Promo price

€23.95

€23.45

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. P8D2-5J299-AA

Land Range Rover Evoque L551 Lambda Oxygen Sensor 2.0 P8D2-5J299-AA

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906088JK

VW Volkswagen Crafter 2E Amarok 2H Exhaust Gas Temperature Sensor 03L906088JK

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0005421600

Mercedes A238 M276 Petrol Exhaust Lambda Probe Oxygen Sensor A0005421600

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 9454706

BMW F45 F48 LCI F39 Mini F60 LCI Lambda Monitor Probe Sensor Petrol B38X 9454706

€56.95

Free delivery: Sep 24 – 29

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Part no. 5QF907816B

Skoda Karoq NOx Sensor Control Unit Retainer Bracket Housing Holder 5QF907816B

€23.95

Free delivery: Sep 24 – 29

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Part no. A0015403717

Mercedes W168 Vaneo W414 Lambda Oxygen Sensor Probe Petrol A0015403717

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7645875

Lambda Sensor BMW F20 F21 F30 F31 LCI Diesel Oxygen Probe Sensor L=550MM 7645875

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. FL3A-9G444-AA

Ford Mustang Mk6 Exhaust Gas Temperature Lambda Sensor FL3A-9G444-AA

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009055305

Mercedes Vito W447 Diesel OM651 Exhaust Gas Temperature Sensor EGT A0009055305

€37.95

Free delivery: Sep 24 – 29

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Part no. LK62-5J299-AC

Range Rover Sport L494 Lambda Oxygen Sensor Unit 3.0 Diesel Engine LK62-5J299-AC

€132.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7503441

BMW 3 5 7 Series E46 E60 E61 E65 Regulating Lambda Probe Petrol L=570MM 7503441

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 079906262Q

Audi A6 S6 4G RS4 B8 Lambda Oxygen Sensor Probe 4.2 FSI 079906262Q

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009050905

Mercedes GLE 250 W166 Diesel OM651 Temperature Sensor Catalytic Converter

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009059603

Mercedes W906 Lambda Oxygen Sensor Probe A0009059603

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 022906262AN

VW Passat CC 3.6 FSI BWS Petrol Lambda Probe Sensor Engine Left N/S 022906262AN

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7567379

BMW E81 E82 E87 LCI E88 E90 E91 Lambda Probe Cable Bracket Mount Holder 7567379

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088KP

VW Volkswagen Crafter Mk2 SY Exhaust Gas Temperature Sensor 2.0 TDI 04L906088KP

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7512002

BMW E60 E63 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7512002

€23.95

Free delivery: Sep 24 – 29

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Part no. AB3A-12B591-AA

Ford Ranger Mk6 Exhaust Temperature Sensor 2.2 TDCI AB3A-12B591-AA

€80.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009057204

Mercedes W204 W447 Exhaust Temperature Sensor OM642 Diesel Engine Filter

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088BF

Volkswagen Golf Mk8 Exhaust Gas Temperature Sensor 1.6 TDI 04L906088BF

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906262AK

VW Transporter T6 2.0 TDI Diesel Engine Oxygen Lambda Sensor 04L906262AK

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L907807AT

Skoda Karoq NOx Lambda Probe Sensor 2.0 TDI DTRB Diesel 05L907807AT

€332.95

Free delivery: Sep 24 – 29

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Part no. 06K906262

Audi Q3 Exhaust Lambda NOx Oxygen Sensor 2.0 TFSI CULB Petrol 06K906262

€23.95

Free delivery: Sep 24 – 29

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Part no. 06J906262A

Audi Volkswagen Seat Skoda Lambda Oxygen Sensor 06J906262A

€23.95

Free delivery: Sep 24 – 29

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Part no. 05E906262A

Audi A1 S1 GB Q2 GA Oxygen Lambda Sensor Probe Exhaust 1.0 Petrol 05E906262A

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 226401632R

Exhaust Temperature Sensor Mercedes W176 W246 OM607 Diesel Engine Filter Wiring

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 4G0906088AA

Audi A4 B8 Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088AA

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 226401704R

Exhaust Temperature Sensor Mercedes W176 W246 OM607 Diesel Engine Filter Wiring

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

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