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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Fiat Ducato Peugeot Boxer Mk3 NOx Oxygen Sensor 2.2 2.3 Diesel 46335939

€94.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 982971845A

Porsche Boxster Cayman 982 Exhaust Lambda Probe Holder Bracket Mount 982971845A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7539126

BMW 5 6 7 Series E60 E61 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7539126

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0095425818

Mercedes SLK R172 Lambda Sensor Oxygen Probe M177 AMG Petrol A0095425818

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E906262E

Porsche Cayenne S 92A Lambda Oxygen Sensor 3.0 TFSI 06E906262E

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088ES

Volkswagen Sharan Passat B8 Exhaust Gas Temperature Sensor 2.0 TDI 04L906088ES

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. GK21-5E145-AC

Ford Transit Custom Mk8 Lambda NOx Oxygen Sensor 2.0 EcoBlue GK21-5E145-AC

€75.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8V4112B591BA

Ford Transit Connect Exhaust Gas Temperature Sensor 8V4112B591BA

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0005421400

Mercedes SLK R172 W205 W213 Lambda Sensor Oxygen Probe M276 Petrol A0005421400

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 076906051A

Volkswagen VW Audi Skoda DPF Differential Pressure Sensor 076906051A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7587129

BMW 3 5 6 Series E60 E61 E63 E64 E90 E91 E92 LCI NOx Sensor Petrol N53 7587129

€161.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009050608-1

Mercedes W205 X253 W447 W906 OM651 Lambda Oxygen Nox Sensor A0009050608

€85.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06F906262AJ

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 05L907807J

VW Volkswagen Golf Cd1 NOx Oxygen Probe Sensor 2.0 TDI DTSB Diesel 05L907807J

€66.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8570829

Lambda Probe Bracket BMW F10 LCI G20 G21 G30 Oxygen Sensor Mount Holder 8570829

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A6229050500

Mercedes W447 Exhaust Gas Hear Exchanger Temperature Sensor Sender A6229050500

€113.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 07Z906262B

Volkswagen Phaeton Lambda Probe Oxygen Sensor Right O/S 5.0 TDI AJS 07Z906262B

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4G0907658B

Audi A6 C8 Volkswagen Touareg Air Quality Humidity Sensor 4G0907658B

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088BS

Audi Q3 8U 2.0 TDI Exhaust Gas Temperature Sensor After DPF 04L906088BS

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0019050600

Mercedes W204 W212 OM642 Diesel Exhaust Gas Temperature Sensor A0019050600

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7545244

BMW E60 E61 E63 N52 Lambda Probe Monitor Sensor L= 520MM Petrol

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 3413464

BMW X3 Series E83 M54 2.5i 3.0i Exhaust Lambda Probe Sensor 3413464

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8631393

Mini Cooper One F55 F56 F57 Exhaust Lambda Monitor Sensor Probe 8631393

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9215951-1

BMW E90 E91 E92 E93 Battery Cable Negative Minus Pole IBS 9215951

€113.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4M0906088AM

Audi A6 C8 A7 4K Exhaust Control Gas Temperature Sensor 3.0 TDI 4M0906088AM

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04E906262BJ

Lambda Oxygen Sensor Audi A1 8X VW Polo 6R 1.2 Petrol Exhaust Sensor 04E906262DC

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4K0906265B

Audi A4 B9 A5 F5 A6 C8 A7 4K Lambda Probe Sensor 2.0 TDI 4K0906265B

€94.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0075421618

Mercedes W176 W204 W205 W212 W221 W906 Lambda Oxygen Sensor Probe A0075421618

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088EL

Volkswagen Caddy Mk4 Exhaust Gas Temperature Sensor 2.0 Diesel 04L906088EL

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088FB

VW Tiguan AD1 Exhaust Gas Temperature Sender Sensor 2.0 TDI CUAA 04L906088FB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906051L

Audi A4 B9 A5 F5 DPF Exhaust Pressure Sensor 2.0 TDI Diesel 04L906051L

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. JK21-5L248-AG

Ford Transit Custom Lambda Sensor Oxygen Lambda Probe 2.0 Diesel JK21-5L248-AG

€170.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 0258006713

Ford Fiesta Mk5 Lambda Sensor Exhaust Gas Sensor Probe 2.0 Petrol 0258006713

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009050912

Mercedes W907 NOX Gas Exhaust Catalyst Temperature Sensor A0009050912

€132.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7805604

BMW F10 F11 X5 E70 LCI Exhaust Pressure Sensor Bracket Holder Mount N57S 7805604

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4M0906088AA

Audi A4 B9 A5 S5 A7 4G8 Q7 4M Exhaust Gas Temperature Sensor Diesel 4M0906088AA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009051132

Mercedes R172 OM651 Diesel Exhaust Gas Temperature Sensor A0009051132

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8W0906265

Lambda Oxygen Sensor Audi A4 B9 2.0 TDI DETA Diesel Exhaust Probe 8W0906265

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 05L906088BM

Audi A4 B9 A5 F5 Exhaust Gas Temperature Sensor 2.0 TDI Diesel 05L906088BM

€85.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7539123

Lambda Probe BMW E60 E61 E63 E65 E81 E87 E91 LCI Exhaust Sensor Black 7539123

€23.95

Free delivery: Nov 12 – 17

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Part no. CJ51-9G444-BA

Ford Mondeo Mk5 Lambda Oxygen Sensor 2.0 Hybrid CJ51-9G444-BA

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1697560

Ford Focus Mk3 Exhaust Lambda Oxygen Sensor 1.6 TDCI Diesel Engine AV2Q-9D375-AA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8C11-12B591-CA

Ford Transit Custom Mk1 Exhaust Gas Temperature Sensor Unit 8C11-12B591-CA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1548748

Ford Transit Mk7 2.4 TDCI DPF Fuel Vapouriser Valve Control Sensor 8C11-9T540-BA

€66.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7545243

BMW E81 E90 Sonda Monitor Lambda Sensor Probe L=470MM 7545243

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0081533428

Mercedes W164 W166 W463 OM642 Exhaust Gas Temperature Sensor A0081533428

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7798486

BMW E60 E61 X5 E70 X6 E71 X3 E83 E91 E92 Exhaust Temperature Sensor 7798486

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906051B

VW Volkswagen Passat B6 2.0 TDI BKP Exhaust DPF Map Pressure Sensor 04L906051B

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1K0998262

Audi S4 B7 Lambda Probe Oxygen Monitor Sensor 1K0998262

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1X43-9F472-AD

Jaguar X-Type X400 Exhaust Lambda Oxygen Sensor 2.5 V6 Petrol 1X43-9F472-AD

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E906265P

Audi A4 B7 8E Exhaust Lambda Sensor Behind Catalyst 3.2 FSI AUK 06E906265P

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088EB

Audi Q3 8U 2.0 TDI DFUA Exhaust Gas Temperature Sensor Wiring 04L906088EB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088AR

Skoda Octavia 5E 1.6 TDI Exhaust Gas Temperature Lambda Sensor 04L906088AR

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1743994

Lambda Sensor BMW Z4 E36 E46 M3 S54 Petrol Oxygen Exhaust Control Unit 1743994

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. MPLA-5J299-BA

Range Rover Evoque L551 Lambda Probe Oxygen Sensor 2.0 Diesel MPLA-5J299-BA

€118.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7540168

BMW E60 E63 540i 550i 650i Lambda Sensor Oxygen Exhaust Probe L=550mm 7540168

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. CX23-9D375-BA

Jaguar Xf X250 Lambda NoX Oxygen Sensor Probe Sender CX23-9D375-BA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. PZ31-5E145-BC

Ford Transit Custom Mk2 NOx Lambda Sensor 2.0 Diesel PZ31-5E145-BC

€104.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7L0906262C

Porsche Cayenne 9PA Oxygen Lambda Gas Temperature Sensor 4.5 V8 7L0906262C

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8571783

BMW G20 G21 G30 G31 G11 G12 B57 Diesel Exhaust Gas Pressure Sensor 8571783

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906262A-1

VW Volkswagen Golf 6 Lambda Sensor Oxygen Probe 03L906262A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. AE819F472CA

Ford Fiesta Mk7 B-Max Exhaust Lambda Oxygen Sensor Wiring AE81-9F472-CA

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906088AT

Volkswagen Caddy 2C Exhaust Temperature Sensor Sender 1.6 TDI CAYE 03L906088AT

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1433940

BMW E46 E60 E61 E65 M52 M54 Lambda Probe Sensor Petrol Engine 1433940

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9677662080

Peugeot Expert Citroen Jumpy 1.6 HDI Exhaust Gas Temperature Sensor 9677662080

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. F1F1-12B591-CB

Ford Transit Focus Mk3 1.5 TDCI Diesel Exhaust Temperature Sensor F1F1-12B591-CB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009052106

Mercedes Vito W447 OM651 Exhaust Gas Temperature Sensor A0009052106

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 05L907807M

Audi Q2 GA Lambda Sensor Oxygen Sensor Lambda Probe 05L907807M

€175.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088DT

Audi Q3 8U Exhaust Gas Temperature Sensor Wiring 2.0 TDI DFTA 04L906088DT

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 6M51-12B591-CA

Ford Transit Focus Mk3 1.5 TDCI Diesel Exhaust Temperature Sensor 6M51-12B591-CA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2R83-9G444-AC

Jaguar Xk8 X100 Sonda Lambda Probe Oxygen Sensor Plug 2R83-9G444-AC

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. JX71-12B591-CA

Ford Focus MK4 Lambda Sensor Exhaust Temp Probe 1.5 TDCi JX71-12B591-CA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L907805DF

Volkswagen Tiguan 5N Audi Q2 GA NOX Sensor Diesel Lambda Probe 04L907805DF

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06Q131552F

Audi S3 8Y Exhaust Control Line Differential Pressure Sensor 2.0 TFSI 06Q131552F

€66.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. JK21-5L239-AC-1

Ford Transit Custom NOx Lambda Sensor Oxygen 2.2 EcoBlue JK21-5L239-AC

€146.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0005421000

Lambda Oxygen Sensor Mercedes ML W166 C207 W212 C218 M276 Turbo A0005421000

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1X43-9F472-AC

Jaguar XK8 X100 Sonda Lambda Probe Oxygen Sensor Plug Petrol 1X43-9F472-AC

€51.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4G0906088J

Audi A6 C7 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088J

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 022906262BS

VW Passat Audi A4 S Line Petrol 2.0 TFSI BWE Lambda Probe Sensor 022906262BS

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7848487

BMW F80 M3 F82 F83 M4 Lambda Probe Oxygen Monitor Sensor 7848487

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088AD

Temperature Sensor Volkswagen Golf MK7 Audi A3 8V Exhaust Gas 04L906088AD

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4G0906088R

Audi Q5 8R 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088R

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8508071

BMW F10 F11 F01N F02N E70N F15 E71 F16 Exhaust Temperature Sensor 8508071

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8604889

Mini Cooper One F55 F56 Lambda Monitor Sensor Probe 8604889

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8490145

BMW G11 G30 G31 LCI G20 G21 Diesel Exhaust Gas Temperature Sensor 8490145

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9H2Q-9D375-AA

Land Rover Discovery 4 L319 Lambda Oxygen Sensor 3.0 V6 306DT 9H2Q-9D375-AA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 059906088DP

Volkswagen Amarok 2H Exhaust Gas Temperature Sensor 3.0 Diesel DDXE 059906088DP

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009058011

NOX Sensor Mercedes W205 W213 W906 W247 Lambda Oxygen Probe A0009057803

€123.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7589475

BMW E82 E90 LCI F20 F30 F31 N55 Oxygen Sensor Petrol Lambda L=690MM 7589475

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906088HD

Volkswagen Crafter 2E Temperature Sensor 2.0 Diesel 03L906088HD

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7P5907807C

Porsche Cayenne 92A Exhaust NOx Lambda Sensor 4.2 Diesel 7P5907807C

€237.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009055307

Mercedes W177 W247 Exhaust Pressure Sensor DPF Exhaust Hoses A0009055307

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4H0906088AG

Audi A8 4H A6 A7 4G Diesel Exhaust Gas Temperature Sensor 4H0906088AG

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906088BK

Audi A1 8X Diesel Engine Exhaust Gas Temperature Sensor Control 03L906088BK

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7589146

Lambda Sensor BMW F10 F11 F01 F02 Petrol N52N N53 Lambda Probe L=575mm

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906262AD

Skoda Superb 3V Audi Q3 8U 2.0 TDI Diesel Lambda Probe NOX Sensor 04L906262AD

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0085423018

Lambda Probe Mercedes C216 W204 W221 OM274 Catalytic Converter Lambda Sensor

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8W0907805A

Audi A4 B9 A5 F5 Lambda Oxygen Sensor 2.0 TDI Diesel 8W0907805A

€104.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8582024-1

NOx Sensor BMW F22 F23 LCI X5 F15 X6 F16 Lambda Oxygen Probe 8582024

€66.95

Free delivery: Nov 12 – 17

If paid before 14:00

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