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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Audi Q7 4M Lambda Sensor NOx Oxygen Sensor Lambda Probe 3.0 TDI 4M0907807BD

€132.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. JB3G-5L239-AB

Ford Ranger Wildtrak Mk6 Diesel Particulate Matter NOX Lambda Sensor JB3G5L239AB

€75.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 226A42455R

Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor 226A42455R

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 80A907807AG

Audi Q5 FY NOx Sensor Rear Lambda Probe Sensor Exhaust Temperature 80A907807AG

€132.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 07C906262BH

Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe 07C906262BH

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7545075

BMW E81 E87 E90 E91 E92 Petrol N52 N52N N53 N54 Lambda Monitor Sensor 7545075

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 6Q0820539

Audi A4 B8 Air Conditioning Heater A/C Temperature Sensor Unit 6Q0820539

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2550612

Ford Fiesta Mk8 Lambda Probe Oxygen Sensor Unit 1.5 Petrol K1BY-9G444-AB

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7512973

Lambda Probe BMW E65 E66 E67 N62 N73 Petrol Oxygen Sensor Grey 325MM 7512973

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4M0906088AN

Audi A4 B9 A5 F5 A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI 4M0906088AN

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 46349778

Fiat Ducato NOx Oxygen Sensor 2.2 Multijet Diesel 46349778

€142.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0075426418

Lambda Probe Mercedes W204 W205 W213 M278 Petrol Oxygen Sensor A0075426418

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7589968

BMW E90 E91 Lambda Sensor Petrol Exhaust Lambda Probe Sensor Wiring 7589968

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0019052900

Temperature Sensor Mercedes W205 W221 Exhaust Gas Lambda Probe A0019052900

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009051613

Exhaust Sensor Mercedes W177 W247 OM654 Gas Temperature Sensor A0009051613

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7539136

BMW F01 F02 F03 Rolls-Royce Ghost RR4 Wraith RR5 N74 V12 Lambda Sensor 7539136

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03C906262AK

VW Golf Mk6 Audi A3 8P 1.4 TSI NOx Sensor Lambda Oxygen Probe 03C906262AK

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 059906088CN

Audi A4 B9 A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI Diesel 059906088CN

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4H0906265C

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 4 Pin Cyl. 5-8 4.0 Petrol 4H0906265C

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. M8D2-12B591-BB

Range Rover Evoque L551 Exhaust Gas Temperature Sensor 2.0 Diesel M8D2-12B591-BB

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4H0906262G

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 5 Pin Cyl. 1-4 4.0 Petrol 0258027199

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906262E

Volkswagen Transporter T6 Lambda Oxygen Sensor 2.0 TDI 04L906262E

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8570234

BMW 1 2 3 Series F20 F21 F22 F30 LCI Exhaust Temperature Sensor 8570234

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0051537928

Temperature Sensor Mercedes W164 W211 OM642 Exhaust Gas A0051537928

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. GK21-12B591-EA

Ford Transit Custom Exhaust Temperature Sensor Probe 2.0 EcoBlue GK21-12B591-EA

€89.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. GX53-9G444-BB

Land Rover Discovery Sport L550 Lambda Oxygen Sensor 2.0 Petrol GX53-9G444-BB

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04E906262BA

Audi A1 8X VW Polo 6R 1.4 TSI Petrol Lambda Oxygen Sensor 04E906262BA

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L907805N

Volkswagen Caddy Mk4 Sharan Mk2 NOX Sensor Module 2.0 TDI 5WK96621K 04L907805N

€89.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03C906262AL

Audi A3 8P Golf Mk6 NOX Sensor Lambda Probe Oxygen Sensor 1.4 TSI 03C906262AL

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8580408

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009050713

Temperature Sensor Mercedes W205 W223 C253 Exhaust Gas Control A0009050713

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009050332

Gas Temperature Sensor Mercedes W166 OM651 Exhaust Sensor Wiring A0009050332

€23.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. 7513963

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. K8D2-9G444-AC

Land Rover Discovery Sport L550 Lambda Oxygen Sensor 2.0 Petrol K8D2-9G444-AC

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906262A

VW Volkswagen Golf 6 Lambda Sensor Oxygen Probe 03L906262A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8514730

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0035428818

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

€47.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8J0971830

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 06E906265C

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8570689

BMW F20 F21 F30 F31 LCI Diesel Oxygen Sensor Lambda L=540 8570689

€42.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. 8W0907807BC

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

€355.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. GB3G-5E145-AF

Ford Ranger Wildtrak Mk6 Lambda Probe Oxygen Sensor 2.0 ECOBLUE GB3G-5E145-AF

€61.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7P6971804A

Volkswagen Touareg 7P NOX Sensor Unit Bracket Holder Retainer 7P6971804A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 057906262E

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. C1BY-9Y460-AB

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

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7558087

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

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 4G0907807AN

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

€279.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8514929

BMW F10 F12 F30 F31 F32 N57Z Exhaust Temperature Sensor 8514929

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1KO973804

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8K0906262F

Audi A4 B9 A5 Petrol Exhaust Lambda Oxygen Sensor 8K0906262F

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. AV61-9D375-BA

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088DA

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7804758

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

€80.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. GK21-9Y460-AB

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009059106

Mercedes W212 OM642 Diesel Engine Exhaust Gas Temperature Sensor A0009059106

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009053905

Mercedes W906 W907 OM651 Diesel Exhaust Gas Temperature Sensor A0009053905

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088DB

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0075420018

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

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03G906088BA

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8644371-1

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

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 2010986

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

€28.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009058705

Mercedes W205 GLC C253 OM642 OM651 Exhaust Gas Temperature Sensor A0009058705

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 0258027015

BMW F10 Petrol Oxygen Sensor Exhaust Lambda 0258027015

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8058646

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

€42.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7521705

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7843161

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7587129-1

BMW E60 E61 E63 E64 E90 E91 E92 LCI NOX Sensor Petrol N53 7587129

€99.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8686977-1

Mini F66 F74 BMW F70 F78 U11 Lambda Probe Oxygen Sensor 8686977

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. FC4A-5L200-CA

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

€42.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. 7848483

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

€51.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 7P5906262

Porsche Cayenne 92A Lambda Oxygen Probe Sensor Petrol 7P5906262

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1543768

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

€56.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906088EC

Volkswagen Golf Mk6 Caddy 1.6 TDI CAY Exhaust Gas Temperature Sensor 03L906088EC

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906088BL

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. BA5A-9Y460-AA

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 1351337

Ford Focus Mk3 Mk2 Lambda Oxygen Sensor 1.6 Petrol 3M51-9F472-BC

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906051F-1

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 04L906261B

Volkswagen Transporter T6 Nox Lambda Sensor 2.0 TDI 04L906261B

€213.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0009057609

Mercedes W177 W247 AMG Gas Exhaust Temperature Probe Sensor A0009057609

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 46350838

Vauxhall Movano C Exhaust Gas Temperature Sensor Sender 46350838

€37.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 07L906265

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 227702184R

Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227702184R

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8686978

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

€32.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 9687160780

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 03L906262A-2

VW Volkswagen Golf Mk6 Lambda Sensor Oxygen Probe 1.6 TDI 03L906262A

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0045420818

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. A0015420718

Lambda Sensor Mercedes W169 W245 Oxygen Probe A0015420718

€32.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. FPLA-9D375-AC

Jaguar XF X260 Lambda Probe Oxygen NOx Sensor 2.0 Diesel 204DTD FPLA-9D375-AC

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

Part no. 8644371

Petrol Oxygen Sensor BMW F20 F21 F30 LCI Exhaust Lambda 8644371

€51.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. K8D2-12A610-B

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

€23.95

Free delivery: Nov 12 – 17

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: Nov 12 – 17

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: Nov 12 – 17

If paid before 14:00

Part no. 7558055

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

€23.95

Free delivery: Nov 12 – 17

If paid before 14:00

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