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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Mercedes W205 W213 W238 W257 Petrol Exhaust Gas Temperature Sensor A0009054409

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 059906051G

Audi A4 B9 A7 4G A8 D5 DPF Exhaust Pressure Sensor Unit 059906051G

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04E906262CS

Lambda Sensor VW Golf 8 CD1 Seat Leon 1.5 eTSI Petrol DFYA Probe 04E906262CS

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 4M0906088AB

Audi A4 B9 A7 4G Q7 4M Diesel Exhaust Control Gas Temperature Sensor 4M0906088AB

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L906088DM

Volkswagen Crafter 2E Exhaust Gas Temperature Sensor 2.0 TDI 03L906088DM

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8V0963553B

Audi A3 8V Seat Pressure Sensor Unit Front Left N/S 8V0963553B

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8570115

Lambda Probe Bracket BMW F10 F30 F31 F36 N57N Support Holder 8570115

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04E906262A

VW Volkswagen Golf Mk5 Petrol Exhaust Lambda Oxygen Sensor 04E906262A

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009055202

Exhaust Gas Temperature Sensor Mercedes SLK R172 W205 W212 OM651 A0009055202

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 07L906262K

Audi S5 8T Exhaust Lambda Probe Oxygen Sensor Wiring Unit 4.2 V8 CAUA 07L906262K

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 059906088AT

Audi A5 8T 3.0 TDI CCWA Diesel Exhaust Gas Temperature Sensor 059906088AT

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L906088CC

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0085423018

Lambda Probe Mercedes C216 W204 W221 OM274 Catalytic Converter Lambda Sensor

£42.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L906088EC

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0075420218

Mercedes W204 W212 Lambda Sensor Oxygen Sensor Lambda Probe OM651 A0075420218

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7589146

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

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 0009055114

Mercedes Vito W447 Sprinter W907 OM654 Knox Sensor Exhaust Probe 0009055114

£94.95

Free delivery: Jul 13

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: Jul 13

If paid before 14:00

Part no. 04E906262BA

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04L906088BL

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. F1F19Y460DA

Ford Transit Connect Lambda Oxygen Sensor 1.5 TDCi Diesel F1F1-9Y460-DA

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8582662

BMW G11 G20 G30 Exhaust Temperature Sensor Cable Wiring Diesel 8582662

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03N907807AE

VW Crafter Mk2 SY Lambda Probe NOX Oxygen Sensor Unit 2.0 TDI 03N907807AE

£132.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 7832035

BMW M3 E46 S54 Petrol Engine Exhaust Oxygen Lambda Sensor Catalytic 7832035

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7590402

BMW F10 F11 Exhaust Gas Temperature NOX Lambda Probe Sensor N53 Petrol 7590402

£94.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009059905

Mercedes C253 W213 C238 W907 Exhaust Gas Temperature Sensor A0009059905

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8W0907807T

Audi A4 B9 A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI Diesel 8W0907807T

£142.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 7548961-3

Exhaust Oxygen Sensor Mini Cooper R55 R56 R57 R58 Lambda Probe 7548961

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 9454710

BMW F40 F45 X1 F48 Mini F55 F56 F57 F60 Lambda Sensor Oxygen Probe 9454710

£18.95

Free delivery: Jul 13

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: Jul 13

If paid before 14:00

Part no. 07C906262BH

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 059906262Q

Audi A8 4H 3.0 TDI Diesel Line Lambda Probe Oxygen Sensor 059906262Q

£32.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7804758

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

£70.95

Free delivery: Jul 13

If paid before 14:00

Part no. 9821120780

Citroen Relay III Oxygen NOx Lambda Exhaust Sensor HDi Diesel 9821120780

£42.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06E906265AA

Audi A6 C7 A7 4G Exhaust Lambda Probe Oxygen Sensor 2.8 TFSI CHVA 06E906265AA

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009058311

Mercedes W205 OM656 NOX Lambda Sensor Catalytic Converter A0009058311

£213.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 03F906262C

Lambda Sensor Volkswagen Touran 1T Audi A1 8X 1.2 TSI Oxygen Sensor 03F906262C

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8C11-12B591-CA

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06K906262AC

Audi A1 8X 1.4 TFSI Exhaust Lambda Oxygen Sensor Probe 06K906262AC

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009058800

Mercedes W221 Exhaust Catalytic Converter Oxygen Sensor A0009058800

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8589817

BMW F40 F48 Mini F56 Exhaust Heat Temperature Sensor Probe Diesel 8589817

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04E906262BJ

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 5Q0907543

Volkswagen Golf 8 Interior Vent Air Temperature Sensor 5Q0907543

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06F906265

Audi S5 8T Exhaust Lambda Probe Oxygen Sensor 06F906265

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 4G0906088R

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04L906088AC

Audi A3 8V 2.0 TDI Exhaust Gas Temperature Sensor EGT Cable Wiring 04L906088AC

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7589147

BMW F10 F11 F01 F02 Petrol N52N N53 Lambda Sensor Lambda Probe L=410mm 7589147

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 1743994

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009050132

Exhaust Temperature Sensor Mercedes Sprinter W906 OM646 Diesel A0009050132

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009058105

Mercedes C117 W246 X156 Diesel DPF Exhaust Gas Temperature Sensor OM651

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06K906262CF

Volkswagen Golf 5G Lambda Sensor Oxygen Sensor Probe 06K906262CF

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0005424404

Lambda Sensor Mercedes C118 W177 W247 M282 Oxygen Probe A0005424404

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. rhd-7503441

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

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009058705

Mercedes W205 GLC C253 OM642 OM651 Exhaust Gas Temperature Sensor A0009058705

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8W0906265S

Lambda Sensor Audi A4 B9 A5 F5 45 TFSI Oxygen Sensor Lambda Probe 8W0906265S

£37.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0051531028

Mercedes W211 W906 Diesel Exhaust Gas Temperature Sensor A0051531028

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0071539828

Mercedes W204 W211 C219 Exhaust Temperature Sensor Control Unit A0071539828

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06E906265Q

Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265Q

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0081533728

Mercedes W212 Diesel Gas Exhaust Temperature Probe Sensor A0081533728

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04L906088BS

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 057906051H

Audi RS3 8V DPF Differential Pressure Control Sensor 057906051H

£85.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L906088DH

VW Volkswagen Caddy Maxi Exhaust Gas Temperature Sensor 03L906088DH

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 04L906088EK

Volkswagen Caddy Maxi 2k Exhaust Gas Temperature Sensor 2.0 TDI 04L906088EK

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7607834-1

BMW F20 F21 F30 F32 Lambda Probe Bracket N20 Oxygen Sensor Mount 7607834

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 022906262AD

Volkswagen Golf 1K Lambda Sensor Oxygen Sensor Probe 022906262AD

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 06Q131552E

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

£94.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. A0045424818

Mercedes W204 C207 S211 S212 C219 Lambda Oxygen NOX Sensor A0015424848

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L907807AB-1

Volkswagen Crafter I NOX Sensor Lambda Oxygen Probe 03L907807AB

£104.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 04L907805L-1

Audi Q3 8U 2.0 TDI CUWA Exhaust NOX Lambda Oxygen Sensor 04L907805L

£51.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7539124

BMW 5 6 Series E60 E61 E64 E65 620MM Sensor Lambda Probe Grey Petrol 7539124

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7558179

BMW X5 E70 Petrol Engine Exhaust Lambda Oxygen Sensor Probe 7558179

£32.95

Free delivery: Jul 13

If paid before 14:00

Part no. 9454709

BMW X3 G01 G08 LCI X4 G02 Lambda Monitor Probe Petrol B48 Engine 9454709

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009059711

Exhaust Temperature Sensor Mercedes CLA C118 W177 W247 M260 Petrol A0009059711

£94.95

Free delivery: Jul 13

If paid before 14:00

Part no. RHD-03L906088DA

Seat Ibiza FR 6J Audi A1 8X Exhaust Gas Temperature Sensor 03L906088DA

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0005421000

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

£47.95

Free delivery: Jul 13

If paid before 14:00

Part no. 7539126

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

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8W0906265AC

Audi A5 F5 Q5 FY Lambda Probe Oxygen Monitor Sensor 8W0906265AC

£23.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03L906088N

Audi A3 8P 2.0 TDI Diesel Engine Exhaust Gas Temperature Sensor 03L906088N

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 1405324

BMW Z3M E36 E46 M3 Exhaust Oxygen Sensor L=750MM 1405324

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 05L907807AF

Audi Q3 F3 Oxygen NOX Sensor Module Control Unit 2.0 TDI 05L907807AF

£113.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 8686978

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

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 9454704

BMW F36 G20 G22 G80 G82 LCI Lambda Probe Sensor Petrol 9454704

£94.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 8686977

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

£37.95

Free delivery: Jul 13

If paid before 14:00

Part no. 4M0907807BB

Audi Q7 4M Lambda Sensor NOx Oxygen Sensor Lambda Probe 3.0 TDI 4M0907807BB

£75.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009055006

Mercedes C207 Exhaust Lambda Nox Oxygen Sensor A0009055006

£47.95

Free delivery: Jul 13

If paid before 14:00

Part no. 4M0907807BC

Audi Q7 4M Q8 Mk1 VW Touareg Mk3 NOX Lambda Oxygen Sensor 4M0907807BC

£146.95

Free delivery: Jul 14 – 21

If paid before 14:00

Part no. 05L906088CE

Audi A5 F5 A4 B9 Q5 FY Diesel Exhaust Gas Temperature Sensor 05L906088CE

£37.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009053806

Mercedes W177 W247 Exhaust Gas Temperature Sensor OM654 654.920 A0009053806

£56.95

Free delivery: Jul 13

If paid before 14:00

Part no. 98AB-9G444-BB

Ford Focus Fiesta Ka Lambda Probe Sensor Control Unit 98AB-9G444-BB

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 4M0906262

Audi A7 4G 3.0 TDI Diesel Lambda Sensor Oxygen Sensor Lambda Probe 4M0906262

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 8W0907807S

Audi A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI DEZE 8W0907807S

£32.95

Free delivery: Jul 13

If paid before 14:00

Part no. A1774902502

Mercedes W177 W247 DPF Exhaust Pressure Sensor Bracket Mount Holder A1774902502

£13.95

Free delivery: Jul 13

If paid before 14:00

Part no. 059907807L

VW Volkswagen Touareg 7P Exhaust Nox Sensor 3.0 TDI Diesel Engine 059907807L

£189.95

Free delivery: Jul 13

If paid before 14:00

Part no. DV61-12B591-AA

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

£51.95

Free delivery: Jul 13

If paid before 14:00

Part no. 03G906262

Audi A3 8P Lambda Oxygen Exhaust Sensor Probe Cable TDI Diesel 03G906262

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. A0009055106

Mercedes C207 Exhaust Lambda Nox Oxygen Sensor A0009055106

£47.95

Free delivery: Jul 13

If paid before 14:00

Part no. 1K0998262

Audi S4 B7 Lambda Probe Oxygen Monitor Sensor 1K0998262

£18.95

Free delivery: Jul 13

If paid before 14:00

Part no. 022906262BH

VW Volkswagen Touareg 7L Lambda Sensor Oxygen Sensor Lambda Probe 022906262BH

£28.95

Free delivery: Jul 13

If paid before 14:00

Part no. 022906262BE

VW Volkswagen Touareg 7L Lambda Sensor Oxygen Sensor Lambda Probe 022906262BE

£28.95

Free delivery: Jul 13

If paid before 14:00

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