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 A4 B8 A5 8T Q7 4L Exhaust Gas Temperature Sensor 3.0 TDI Diesel 059906088K

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7P5906262A

Porsche Cayenne Turbo 92A Lambda Oxygen Sensor 4.8 4852 Petrol 7P5906262A

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 0009055114

Mercedes Vito W447 Sprinter W907 OM654 Knox Sensor Exhaust Probe 0009055114

€75.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906262D

Volkswagen VW Polo 6C Lambda Sensor Oxygen Probe Wiring 1.4 TDI 04L906262D

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0075426318

Mercedes W176 W246 Lambda Oxygen Sensor Probe Exhaust Wiring A0075426318

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8W0906265T

VW Golf Mk7 GTI Exhaust Gas Temperature Lambda Sensor 2.0 TFSI DLBA 8W0906265T

€66.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009056804

Mercedes W204 W205 W212 OM651 Exhaust Gas Temperature Sensor A0009056804

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. KK31-5L248-BA

Ford Transit Connect Mk1 1.8 TDCI Lambda Probe NOX Sensor Control KK31-5L248-BA

€208.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088DK

Volkswagen Jetta A6 Exhaust Gas Temperature Sensor 04L906088DK

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07L906265F

Audi A5 S5 8T A6 C6 A3 8P Sonde Lambda Oxygen Sensor 07L906265F

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MHK500840

Land Rover Range Rover Sport L320 Exhaust Lambda Probe Sensor 4.4 MHK500840

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03C906262

Seat Ibiza 6J 1.2 MPI Lambda Sensor Exhaust Oxygen Sensor Cable 03C906262

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03G906262G

Audi A6 C6 VW Volkswagen Caddy Lambda Oxygen Probe Exhaust Sensor 03G906262G

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7566156

Lambda Probe Bracket BMW E81 E82 E88 E90 Petrol N43 N46N Probe Mount 7566156

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0015405117

Mercedes W220 Oxygen Sensor Lambda Probe A0015405117

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8570229-1

Mini F54 F60 BMW F40 F45 Diesel B37 Oxygen Sensor Exhaust L=850 Lambda 8570229

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088FA

Seat Alhambra 7N Exhaust Gas Temperature Sensor 2.0 TDI 04L906088FA

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MX73-9D375-AB

Range Rover Velar L560 Lambda Probe Oxygen Sensor 2.0 Diesel MX73-9D375-AB

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MHK500960

Land Rover Sport L320 L322 Lambda Oxygen Sensor Probe MHK500960

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906088CM

Volkswagen Touran 1T Caddy Mk3 Exhaust Gas Temperature Sensor 03L906088CM

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07L906262K

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03C906262AH

Audi A1 8X Volkswagen Scirocco Mk3 Oxygen Lambda Probe 1.4 TSI 03C906262AH

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8201000784

Renault Trafic 3 Exhaust Gas Pressure Sensor 1.6 DCI R9M 8201000784

€75.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088AC

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 9683265480

Lambda Sensor Peugeot 3008 Citroen DS4 C4 Oxygen Probe 9683265480

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A1774902502

Mercedes W177 W247 DPF Exhaust Pressure Sensor Bracket Mount Holder A1774902502

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MB3G-5E145-AC

VW Amarok Mk2 Nox Sensor Engine Lambda Probe Exhaust Diesel Engine MB3G-5E145-AC

€336.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L919529D

VW Volkswagen Tiguan 5N Exhaust Gas Temperature Sensor 2.0 TDI 04L919529D

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009058111

NOX Sensor Mercedes W177 W213 C238 X253 OM608 Lambda Oxygen Probe A0009058111

€85.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906051AB

Audi A4 B9 A5 8F A6 C8 2.0 TDI Exhaust DPF Map Pressure Sensor 04L906051AB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A2464920159

Mercedes W176 W246 DPF Difference Pressure Sensor OM651 CDI A2464920159

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L907805BQ

Volkswagen Tiguan 5N Golf Mk 7.5 Diesel NOX Sensor Lambda Probe 04L907805BQ

€104.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L906088F

Skoda Karoq Lambda Sensor Oxygen NOX Probe 2.0 TDI 05L906088F

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 3413463

BMW X3 E83 2.5i 3.0i M54 Petrol Engine Pre Cat Regulating Lambda Probe 3413463

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8W0906265D

Audi A4 B9 2.0 TDI DETA Diesel Lambda Probe Sensor 8W0906265D

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 0258017016

Mercedes W169 W204 W211 W212 C219 Oxygen Lambda Sensor Exhaust 0258017016

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. LK62-5J299-BC

Range Rover Sport L494 Lambda Probe Oxygen Sensor 3.0 Hybrid LK62-5J299-BC

€94.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 95B906265F

Porsche Macan 95B Oxygen Lambda Gas Temperature Sensor 2.9 Petrol 95B906265F

€66.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009059704

Mercedes W205 W213 OM654 Diesel Exhaust Gas Temperature Sensor A0009059704

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04E906262A

VW Volkswagen Golf Mk5 Petrol Exhaust Lambda Oxygen Sensor 04E906262A

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 057906051H

Audi RS3 8V DPF Differential Pressure Control Sensor 057906051H

€66.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7545074

BMW 1 3 Series E81 E87 E90 E91 E92 Exhaust Lambda Monitor Sensor Probe 7545074

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 6PP00840902

BMW E60 LCI 520d N47 Exhaust Gas Pressure Sensor 6PP00840902

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. AV61-5L200-AB

Ford C-Max Mk2 DPF Exhaust Pressure Sensor Control Unit AV61-5L200-AB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04E906262AB

Audi Volkswagen Seat Skoda Exhaust Lambda Probe Oxygen Sensor 04E906262AB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 059906088CL

Audi A4 B8 A5 8T 3.0 TDI Diesel Exhaust Gas Temperature Sensor 059906088CL

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05E906051L

Audi A1 GB Q2 GA Q3 F3 1.5 TFSI Air Intake Pressure Sensor 05E906051L

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 4G0907807AA

Audi A7 4G NOX Sensor Lambda Oxygen Probe 4G0907807AA

€104.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8W0907807P

Audi A4 B9 A5 F5 Exhaust Temperature NOX Sensor 3.0 TDI DEWB 8W0907807P

€123.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04E906262CS

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0081532728

Mercedes W204 W212 Diesel Particulate Filter Temperature Sensor Gas Exhaust

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 1739847

BMW 3 7 Z3 X5 Series E36 E38 E46 E53 Sonda Monitor Lambda Sensor Probe 1739847

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 226A42850R

Renault Trafic II Opel Vivaro A 2.0 Diesel Lambda Sensor Oxygen Probe 226A42850R

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009058605

Mercedes C207 Exhaust Gas Temperature Sensor A0009058605

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07K906262J

Audi RS3 8Y 2.5 TFSI Exhaust Lambda Probe Oxygen Sensor 07K906262J

€89.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 80A906262

Audi Q5 FY 8R Exhaust Lambda Probe Oxygen Sensor 80A906262

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07K906262G

Audi RS3 8YS Q3 2.5 TFSI Exhaust Lambda Probe Oxygen Sensor 07K906262G

€85.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906088N

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. CC1A-9Y460-AA

Ford Transit Mk7 Lambda Oxygen Sensor Unit 2.2 TDCi Diesel Engine CC1A-9Y460-AA

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07K906265C

Audi RS3 8V 2.5 TFSI DNWA Lambda Sensor 4 Pin 07K906265C

€94.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 06K906262T

VW Volkswagen Scirocco Mk3 Lambda Oxygen Sensor Probe 2.0 Petrol 06K906262T

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 045906262

VW Volkswagen Polo 9N 1.4 TDI Lambda Sensor Oxygen Probe 045906262

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906088DP

Volkswagen Transporter T5 Exhaust Gas Temperature Sensor 2.0 TDI 03L906088DP

€51.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088DR

Audi A5 8T Exhaust Gas Temperature Sensor 04L906088DR

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03N919529F

VW Volkswagen Tiguan AD1 Exhaust Gas Temperature Sensor Unit 03N919529F

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7512567

BMW E60 E63 E65 Sensor Sonda Lambda Exhaust Probe Black 7512567

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009059005

Mercedes W176 OM651 Diesel Exhaust Gas Temperature Sensor A0009059005

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7512975

BMW X3 E46 E83 N42 N46 Regulating Lambda Probe Petrol 7512975

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L907807AN

Audi Q3 F3 2.0 TDI Oxygen NOX Sensor Module Control Unit 05L907807AN

€146.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7795044

BMW Mini Cooper D R55 Clubman R56 W16 Lambda Exhaust Temperature Sensor Probe

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8570232

BMW 1 2 3 Series E20 F21 F22 F30 LCI Exhaust Temperature Sensor 8570232

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 06E906265AJ

Audi S5 8T A6 C7 Lambda Oxygen Sensor 3.0 TFSI Petrol Exhaust Probe 06E906265AJ

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0025401817

Mercedes C CLK W203 C209 Kompressor Lambda Oxygen Sensor Probe A0025401817

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7L0906262F

Porsche Cayenne 9PA Oxygen Lambda Gas Temperature Sensor 4.5 V8 7L0906262F

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 9681852780

Peugeot 308 Lambda Sensor Diesel Oxygen Probe Exhaust Sensor 9681852780

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 06E906265AB

Audi A6 C7 A7 4G Exhaust Lambda Probe Oxygen Sensor 2.8 TFSI CHVA 06E906265AB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009055002

Mercedes W176 W177 W205 W212 Exhaust Pressure Sensor Petrol A0009055002

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009059601

Mercedes W906 Sonda Lambda Oxygen Nox Sensor A0009059601

€99.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 059906051G

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009052012

NOX Sensor Mercedes C117 W247 OM654 Lambda Oxygen Probe A0009052012

€66.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8573155

BMW 1 3 Series F20 F21 F30 E31 LCI Diesel Oxygen Sensor Exhaust Lambda 8573155

€85.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0015406017

Mercedes W163 W210 R170 C215 Exhaust Oxygen Lambda Probe Sensor A0015406017

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 06K906262AH

Audi Q3 S Line Lambda Probe Oxygen Sensor 06K906262AH

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009057901

Mercedes W204 W212 M276 Petrol Exhaust Gas Temperature Sensor A0009057901

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. GK31-12B591-AB

Ford Transit Mk8 Exhaust Gas Temperature Sensor 2.0 Diesel GK31-12B591-AB

€51.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906051J

Audi Q2 GA Exhaust Gas Pressure Sensor 1.6 TDI DGTE 04L906051J

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 4M0906088AB

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009056002

Mercedes W205 Lambda Sensor Probe Oxygen Module A0009056002

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MX73-12B591-AB

Range Rover Velar L560 Upper Exhaust Gas Temperature Sensor MX73-12B591-CC

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A4159057800

Mercedes Citan W415 109 CDI NOx Sensor 1.5 Diesel OM608 227903512R

€113.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009059711

Mercedes CLA C118 W177 W247 Exhaust Temperature Sensor M260 Petrol A0009059711

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. GJ32-9D375-AB

Land Rover Discovery L550 2.0 Diesel Lambda Probe Oxygen Sensor GJ32-9D375-AB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L907805BF

Volkswagen Crafter Mk2 NOX Oxygen Sensor Lambda Probe Diesel DAUA 04L907805BF

€89.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A4159057900

Mercedes Citan W415 109 CDI NOx Sensor 1.5 Diesel OM608 227903290R

€113.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088DJ

Volkswagen VW Scirocco Mk3 Exhaust Gas Temperature Sensor Wiring 04L906088DJ

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7557710

BMW E81 E82 E90 E91 E92 Temperature Sensor Exhaust 7557710

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7558179

BMW X5 E70 Petrol Engine Exhaust Lambda Oxygen Sensor Probe 7558179

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. M8D2-12B591-AA

Range Rover Evoque L551 Front Exhaust Gas Temp Sensor M8D2-12B591-AA

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0045424818

Mercedes W204 C207 S211 S212 C219 Lambda Oxygen NOX Sensor A0015424848

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

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