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

€336.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L907805E

Skoda Superb 3V Exhaust NOX Lambda Oxygen Sensor 2.0 TDI Diesel DFEA 04L907805E

€42.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. A0045420818

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L906088F

Skoda Karoq Lambda Sensor Oxygen NOX Probe 2.0 TDI 05L906088F

€32.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 95B906265F

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

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009054914

Mercedes Sprinter W910 Lambda Oxygen NOX Sensor A0009054914

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6PP00840902

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 0258017016

Mercedes W169 W204 W211 W212 C219 Oxygen Lambda Sensor Exhaust 0258017016

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009058605

Mercedes C207 Exhaust Gas Temperature Sensor A0009058605

€28.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 7G91-9D375-AA

Land Rover Freelander 2 2.2 Diesel Lambda Sensor Oxygen Probe 7G91-9D375-AA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L907807M

Audi Q2 GA Lambda Sensor Oxygen Sensor Lambda Probe 05L907807M

€175.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L907805DC

VW Volkswagen Passat B8 Lambda Probe NOX Oxygen Sensor 2.0 TDI DFGA 04L907805DC

€104.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906088DP

Volkswagen Transporter T5 Exhaust Gas Temperature Sensor 2.0 TDI 03L906088DP

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 0281004148

VW Audi Diesel Lambda Sensor Oxygen Probe 0281004148

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7512567

BMW E60 E63 E65 Sensor Sonda Lambda Exhaust Probe Black 7512567

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K906262T

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06E906262D

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

€23.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 059906088AT

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05C906262D

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0015403817

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

€23.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. A0009052809

Mercedes W166 Nox Sensor Oxygen Probe Sensor Module Unit A0009052809

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009057809

Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7L0906262F

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059906088M

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009053009-1

Mercedes Sprinter W907 W910 OM651 NOX Sensor Lambda Oxygen Probe A0009053009

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0015406017

Mercedes W163 W210 R170 C215 Exhaust Oxygen Lambda Probe Sensor A0015406017

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1406622

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2054408405

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

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8570231

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

€23.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. A0009050905

Mercedes GLE 250 W166 Diesel OM651 Temperature Sensor Catalytic Converter

€37.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 06K906262AG

VW Volkswagen Scirocco Mk3 Lambda Oxygen Sensor Probe Petrol 06K906262AG

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906051J

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2114404805

Mercedes W211 C219 Exhaust Temperature Sensor Particulate Filter A2114404805

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009052106

Mercedes Vito W447 OM651 Exhaust Gas Temperature Sensor A0009052106

€47.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. A4159057800

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

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7545243

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 6Q0820539

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088DJ

Volkswagen VW Scirocco Mk3 Exhaust Gas Temperature Sensor Wiring 04L906088DJ

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L907805BF

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

€89.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. A4159057900

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

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009056804

Mercedes W204 W205 W212 OM651 Exhaust Gas Temperature Sensor A0009056804

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009053706

NOX Sensor Mercedes W164 W218 OM642 Lambda Oxygen Probe A0009053706

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8D2-12B591-CA

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

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L907807T

Volkswagen Caddy SB NOX Sensor Lambda 2.0 Diesel 05L907807T

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 07K906265C

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

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7530290

Lambda Probe Holder BMW E81 E87 E90 E91 N46 Bracket Petrol 7530290

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L906051A

Audi A4 B9 Q5 FY A6 C8 A7 C8 Exhaust Gas Pressure Sensor 2.0 TDI 05L906051A

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059906088CT

Porsche Macan 95B Diesel Exhaust Gas Temperature Sensor 3.0 TDI 059906088CT

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906262E

Skoda Fabia Mk3 VW Polo Mk5 Seat Ibiza IV Lambda Sensor Probe 1.6 TDi 03L906262E

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088JR

Volkswagen Transporter T6 2.0 TDI Exhaust Gas Temperature Sensor 04L906088JR

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 99660616801

Porsche 911 996 Carrera Lambda Oxygen Sensor 3.6 Petrol 99660616801

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906262AB

VW Volkswagen Caddy Maxi 2k Nox Sensor Nitrogen Oxide Sensor 2.0 TDI 04L906262AB

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906262S

Volkswagen Transporter T6 Camper T5 Oxygen Lambda Sensor TDI 03L906262S

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0005427612

Mercedes W177 Lambda Oxygen Sensor Control M282 Petrol A0005427612

€70.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906262R

Audi A3 8V TT FV VW Golf Mk7 Lambda Sensor Oxygen Sensor Lambda Probe 03L906262

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0005421600

Mercedes A238 M276 Petrol Exhaust Lambda Probe Oxygen Sensor A0005421600

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06H906265A

Audi A4 B8 Exhaust Oxygen Lambda Sensor Catalytic Unit 1.8 2.0 Petrol 06H906265A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L906088BH

Audi Volkswagen Seat Skoda Exhaust Gas Temperature Sensor 03L906088BH

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06A906262D

Audi TT 8N A3 8L Exhaust Lambda Oxygen Sensor 1.8 T Petrol 06A906262D

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06E906265AE

Audi A4 B8 A5 8T Exhaust Lambda Probe Oxygen Sensor 3.0 TFSI 06E906265AE

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8514019

BMW F20 F21 F30 F31 LCI B47 Diesel Exhaust Gas Pressure Sensor 8514019

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K906262AH

Audi Q3 S Line Lambda Probe Oxygen Sensor 06K906262AH

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7L5906262B

Porsche Cayenne 9PA 955 Oxygen Lambda Sensor 3.2 V6 7L5906262

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009058311

Mercedes W205 OM656 NOX Lambda Sensor Catalytic Converter A0009058311

€294.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. GJ32-9D375-AE

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L907805CC

Volkswagen Caddy Maxi 2k Lambda Oxygen Probe Sensor 2.0 TDI Diesel 04L907805CC

€61.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04E906262AG

Audi Q3 8U 1.4 TFSI CHPB Exhaust Lambda Oxygen Sensor 04E906262AG

€28.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 04L906088EK

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06F906262AC

Volkswagen Golf 1K Exhaust Lambda Sensor 06F906262AC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009054814

Mercedes W907 OM654 Diesel NOX Lambda Sensor A0009054814

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009057809-1

Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8V0906262D

VW Golf Mk7 Audi A3 8V S1 8X Oxygen Sensor Lambda Probe 2.0 Petrol 8V0906262D

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7589136

BMW 3 4 5 7 Series F01 F02 F10 F11F80 M3 F82 F83 M4 Holder Lambda Probe 7853964

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BK3A-12B591-AC

Ford Transit Mk8 Exhaust Gas Temperature Sensor BK3A-12B591-AC

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. MB3G-5L248-DC

VW Volkswagen Amarok NF Lambda Probe Exhaust Oxygen Sensor 3.0 TDI MB3G-5L248-DC

€284.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088DS

Audi Q3 8U 2.0 TDI CUWA Exhaust Gas Temperature Sensor 04L906088DS

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7526262

BMW F01 F10 F11 Z4 E89 Monitor Sensor Lambda Probe Petrol 7526262

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K906262AC

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L907807T

Volkswagen Crafter 2E Lambda Oxygen NOx Sensor Module 2.0 TDI 03L907807T

€170.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9814103480

Citroen Relay Peugeot Boxer Exhaust Gas Temperature Sensor 2.2 HDI 9814103480

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. C1BA-9G444-CA

Ford Fiesta Mk7 Sonda Lambda Oxygen Sensor 1.0 GTDI C1BA-9G444-CA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K919529D

Volkswagen Golf Mk7 Gas Temperature Sensor Probe 06K919529D

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

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