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

€23.95

Part no. 03L906088BK

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

€23.95

Part no. 070906262B

Audi A4 B8 3.0 TDI Lambda Probe Oxygen Sensor 070906262B

€23.95

Part no. 04L907805BQ

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

€104.95

Part no. 8582024-1

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

€66.95

Part no. A0009057115

Mercedes W205 Exhaust Temperature Sensor A0009057115

€75.95

Part no. 06F906265

Audi S5 8T Exhaust Lambda Probe Oxygen Sensor 06F906265

€28.95

Part no. 6M51-12B591-EA

Ford Mondeo Mk4 Volvo V40 S60 Exhaust Temperature Sensor 6M51-12B591-EA

€23.95

Part no. 1743994

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

€23.95

Part no. 7787941

BMW X3 F25 Air Filter Heating Element Silencer Intake Unit 28dX 7787941 USA

€32.95

Part no. 07K906262A

Audi RSQ3 8U Lambda Oxygen Sensor Set 2.0 Diesel 07K906262A 07K906262B

€75.95

Part no. 045906262

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

€23.95

Part no. A0009059106

Mercedes W212 OM642 Diesel Engine Exhaust Gas Temperature Sensor A0009059106

€32.95

Part no. MB3G-5L216-CA

VW Volkswagen Amarok NF Exhaust Nox Sensor 3.0 TDI Diesel Engine MB3G-5L216-CA

€279.95

Part no. 4G0907807S

Audi A6 C7 A7 4G Nox Sensor 3.0 TDI CVUA Diesel 4G0907807S

€170.95

Part no. 7P5906262A

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

€23.95

Part no. 059906088K

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

€47.95

Part no. 8W0906265T

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

€66.95

Part no. 04L906088DK

Volkswagen Jetta A6 Exhaust Gas Temperature Sensor 04L906088DK

€23.95

Part no. 7539137

BMW Z4 E85 E86 E89 F10 M5 F06 F12 F13 M6 Lambda Oxygen Sensor 7539137

€23.95

Part no. MHK500840

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

€47.95

Part no. 03L906088CM

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

€32.95

Part no. KK31-5L248-BA

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

€208.95

Part no. 03L906262A

VW Volkswagen Golf 6 Lambda Sensor Oxygen Probe 03L906262A

€23.95

Part no. 03G906262G

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

€32.95

Part no. 04L906088FA

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

€32.95

Part no. MX73-9D375-AB

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

€32.95

Part no. MHK500960

Land Rover Sport L320 L322 Lambda Oxygen Sensor Probe MHK500960

€28.95

Part no. 7589147

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

€32.95

Part no. 03C906262AH

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

€23.95

Part no. A0005421900

Mercedes C207 W212 W213 W222 M276 Petrol Lambda Oxygen Sensor Probe A0005421900

€47.95

Part no. 04L919529D

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

€23.95

Part no. 03L906088CA

Audi A6 C6 Exhaust Gas Temperature Sensor Wiring 2.0 TDI CAHA 03L906088CA

€56.95

Part no. 8595102

DPF Sensor BMW G20 G30 G12 B57 Diesel Particle Filter Oxygen Probe L=460 8595102

€23.95

Part no. MB3G-5E145-AC

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

€336.95

Part no. 46336967

Fiat Ducato Mk3 Pressure Vacuum Valve Unit Sensor 46336967

€32.95

Part no. 46350840

Fiat Ducato Mk3 Exhaust Gas Temperature Sensor Control Unit 46350840

€23.95

Part no. 04L906051AB

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

€23.95

Part no. A0045420818

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

€23.95

Part no. 04E906262BJ

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

€23.95

Part no. LK62-5J299-BC

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

€94.95

Part no. 95B906265F

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

€66.95

Part no. A0009054914

Mercedes Sprinter W910 Lambda Oxygen NOX Sensor A0009054914

€56.95

Part no. 6PP00840902

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

€23.95

Part no. AV61-5L200-AB

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

€23.95

Part no. GK31-12B591-AA

Ford Transit Mk8 Exhaust Gas Temperature Sensor 2.0 Ecoblue GK31-12B591-AA

€66.95

Part no. 07L906262H

Audi R8 42 Lambda Probe Sensor Front 6-Pin Cylinders 4-5 4.2 FSI BYH 07L906262H

€23.95

Part no. 8W0906265

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

€23.95

Part no. A0009058605

Mercedes C207 Exhaust Gas Temperature Sensor A0009058605

€28.95

Part no. 04L906088BS

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

€23.95

Part no. 05E906051L

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

€32.95

Part no. NV6A-5E145-AA

Ford Transit Connect MK2 NOx Lambda Oxygen Probe Sensor 1.5 Diesel NV6A-5E145-AA

€37.95

Part no. 8W0907807P

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

€123.95

Part no. A0051537928

Temperature Sensor Mercedes W164 W211 OM642 Exhaust Gas A0051537928

€23.95

Part no. CC1A-9Y460-AA

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

€56.95

Part no. 05L907807M

Audi Q2 GA Lambda Sensor Oxygen Sensor Lambda Probe 05L907807M

€175.95

Part no. 03L906088DP

Volkswagen Transporter T5 Exhaust Gas Temperature Sensor 2.0 TDI 03L906088DP

€51.95

Part no. 03N919529F

VW Volkswagen Tiguan AD1 Exhaust Gas Temperature Sensor Unit 03N919529F

€23.95

Part no. 0281004148

VW Audi Diesel Lambda Sensor Oxygen Probe 0281004148

€23.95

Part no. 7512567

BMW E60 E63 E65 Sensor Sonda Lambda Exhaust Probe Black 7512567

€23.95

Part no. 06K906262T

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

€23.95

Part no. 06E906262D

Audi Q3 8U VW Touareg 7P Lambda Sensor Exhaust Oxygen Control Wiring 06E906262D

€23.95

Part no. 05L907807AN

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

€146.95

Part no. 04L906088EB

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

€23.95

Part no. 06E906265AJ

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

€23.95

Part no. 059906088AT

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

€28.95

Part no. 05C906262D

Seat Ibiza Mk5 V Audi A1 GB Lambda Oxygen Sensor Petrol Engine 05C906262D

€28.95

Part no. A0015403817

Mercedes-Benz A-Class W168 Lambda Oxygen Sensor Probe Petrol A0015403817

€23.95

Part no. 8514730

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

€23.95

Part no. F1FT-9Y460-DA

Ford Focus Mk3 Exhaust Oxygen Sensor Lambda Module Unit 1.5 Diesel F1FT-9Y460-DA

€23.95

Part no. A0009057809

Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809

€23.95

Part no. A0009059601

Mercedes W906 Sonda Lambda Oxygen Nox Sensor A0009059601

€99.95

Part no. 7L0906262F

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

€23.95

Part no. 059906088M

Audi A4 B8 3.0 TDI Diesel Exhaust Gas Temperature Sensor 059906088M

€23.95

Part no. A0009055002

Mercedes W176 W177 W205 W212 Exhaust Pressure Sensor Petrol A0009055002

€23.95

Part no. A0009053009-1

Mercedes Sprinter W907 W910 OM651 NOX Sensor Lambda Oxygen Probe A0009053009

€42.95

Part no. A0015406017

Mercedes W163 W210 R170 C215 Exhaust Oxygen Lambda Probe Sensor A0015406017

€23.95

Part no. 1406622

Lambda Sensor BMW M3 E46 Z4 M3 E85 E86 Z3M E36 Petrol S54 L= 935 mm 1406622

€23.95

Part no. A2054408405

Mercedes W205 Lambda NOx Oxygen Right O/S Adapter Cable Sensor A2054408405

€94.95

Part no. 8570231

BMW Mini Cooper D F55 F56 Exhaust Temperature Sensor L=720 8570231

€23.95

Part no. GK31-12B591-AB

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

€51.95

Part no. A0009050905

Mercedes GLE 250 W166 Diesel OM651 Temperature Sensor Catalytic Converter

€37.95

Part no. 04L906051J

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

€23.95

Part no. A2114404805

Mercedes W211 C219 Exhaust Temperature Sensor Particulate Filter A2114404805

€23.95

Part no. A0009052106

Mercedes Vito W447 OM651 Exhaust Gas Temperature Sensor A0009052106

€42.95

Part no. 8571783

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

€32.95

Part no. GJ32-9D375-AB

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

€23.95

Part no. A4159057800

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

€113.95

Part no. 7545243

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

€23.95

Part no. 6Q0820539

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

€23.95

Part no. 1868565

Ford Fiesta Mk7 Sonda Lambda Probe Oxygen Sensor 1.0 Petrol C1BA-9G444-BA

€28.95

Part no. 06F906262J

Audi A3 8P Lambda Oxygen Sensor Probe Sender Exhaust 2.0 Petrol 06F906262J

€23.95

Part no. 04L906088DJ

Volkswagen VW Scirocco Mk3 Exhaust Gas Temperature Sensor Wiring 04L906088DJ

€23.95

Part no. 04L907805BF

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

€89.95

Part no. A0009052012

NOX Sensor Mercedes C117 W247 OM654 Lambda Oxygen Probe A0009052012

€66.95

Part no. M8D2-12B591-AA

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

€47.95

Part no. A4159057900

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

€113.95

Part no. M8D2-12B591-CA

Range Rover Evoque L551 Rear Exhasut Gas Temp Sensor M8D2-12B591-CA

€32.95

Part no. 07K906265C

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

€94.95

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