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

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009055010

Mercedes C207 W212 M276 V6 Petrol Engine NOx Lambda Sensor A0009055010

€189.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. L1BA-5L200-AB

Ford Fiesta Mk8 DPF Pressure Sensor Control Unit 1.5 Petrol Engine L1BA-5L200-AB

€37.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 06E906265M

Audi A8 D3 Lambda Sensor Exhaust Gas Sensor Lamba Probe 3.2 Petrol 06E906265M

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K906262AH

Audi Q3 S Line Lambda Probe Oxygen Sensor 06K906262AH

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L5906262B

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009058311

Mercedes W205 OM656 NOX Lambda Sensor Catalytic Converter A0009058311

€294.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 04E906262AG

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

€28.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06E906265L

Audi A8 D3 Lambda Probe Oxygen Sensor 3.2 FSI BPK Petrol Quattro 06E906265L

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06F906262AC

Volkswagen Golf 1K Exhaust Lambda Sensor 06F906262AC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009054814

Mercedes W907 OM654 Diesel NOX Lambda Sensor A0009054814

€70.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009057809-1

Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809

€23.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 7589136

BMW F01 F02 F10 F11 F80 M3 F82 F83 M4 Holder Bracket Lambda Probe 7853964

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. BK3A-12B591-AC

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

€75.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 04L906088DS

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

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7526262

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K906262AC

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L907807T

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

€170.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 030906262

Audi A6 VW Derby Seat Arosa Sonda Lambda Sensor 030906262

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9814103480

Citroen Relay Peugeot Boxer Exhaust Gas Temperature Sensor 2.2 HDI 9814103480

€51.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 06K919529D

Volkswagen Golf Mk7 Gas Temperature Sensor Probe 06K919529D

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 05E906262H

Audi Q2 GA Lambda Oxygen Exhaust Sensor Probe Cable 05E906262H

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0105422618

Mercedes W176 W242 Lambda Sensor Oxygen Probe Diesel A220 CDI A0105422618

€108.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009055307

Mercedes W177 W247 Exhaust Pressure Sensor DPF Exhaust Hoses A0009055307

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7512002

BMW E60 E63 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7512002

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MPLA-5J299-CB

Land Rover Range Rover Velar L560 Lambda Oxygen Sensor 2.0 D200 MPLA-5J299-CB

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8570829

Lambda Probe Bracket BMW F10 LCI G20 G21 G30 Oxygen Sensor Mount Holder 8570829

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009059705

Mercedes C205 Diesel Exhaust Gas Temperature Sensor EGT A0009059705

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03G906088F

Seat EXEO Exhaust Gas Temperature Oxygen Lambda Sensor 03G906088F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. L8A2-5H310-AC

Land Rover Range Rover Velar L560 Lambda Oxygen Sensor 2.0D L8A2-5H310-AC

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906051B

VW Volkswagen Passat B6 2.0 TDI BKP Exhaust DPF Map Pressure Sensor 04L906051B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K906265C

Audi TT FV VW Golf Mk7 Exhaust Lambda Oxygen Sensor Probe 2.0 Petrol 06K906265C

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8579129

BMW X5 F15 Exhaust Oxygen Lambda Sensor Wiring L=600 25d 25dX B47 8579129

€94.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0906088B

Audi A4 B9 A5 S5 F5 Exhaust Gas Temperature Sensor 2.0 TDI DETA 8W0906088B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0085426118

Mercedes W204 W212 Lambda Oxygen Sensor M276 A0085426118

€146.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7540167

BMW E60 E61 E63 E64 E86 Lambda Sensore Oxygen Probe L=950mm 7540167

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059906051L-1

Audi A6 C8 Q7 4M DPF Exhaust Pressure Sensor Unit Diesel 3.0 TDI 059906051L

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0065424918

Mercedes W204 W212 Diesel Lambda Sensor Oxygen Probe A0065424918

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 057906262H

Porsche Cayenne 92A Exhaust Lambda Oxygen Sensor 4.2 TDI Diesel 057906262H

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 1K0998262AD

Audi A1 S1 8X A4 S4 8H TT 8J Lambda Probe Sensor 2.0 TDI CBBB Diesel 1K0998262AD

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 057906262G

Porsche Cayenne 92A Exhaust Lambda Oxygen Sensor 4.2 TDI Diesel 057906262G

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MX73-12B591-CA

Land Rover Range Rover Velar L560 Exhaust Gas Temperature Sensor MX73-12B591-CA

€37.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906088DR

Audi A5 8T Exhaust Gas Temperature Sensor 04L906088DR

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0906088Q

Audi A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI CVUA 4G0906088Q

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 227701177R-3

Mercedes W176 W447 Exhaust Pressure Sensor DPF OM626 Diesel 227701177R

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0906088AF

Audi A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI CVUA 4G0906088AF

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 06K906262

Audi Q3 Exhaust Lambda NOx Oxygen Sensor 2.0 TFSI CULB Petrol 06K906262

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 022906265C

Audi TT 8N 3.2 VR6 Quattro Lambda Probe Sensor Post Catalyst Cyl 4-6 022906265C

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009059603

Mercedes W906 Lambda Oxygen Sensor Probe A0009059603

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9833099080

Citroën Relay III Peugeot Boxer NOx Lambda Sensor 2.2 Diesel 9833099080

€89.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 05L907807AF

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

€123.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009059205

Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor A0009059205

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0095425518

NOX Sensor Mercedes W204 W212 C253 Lambda Oxygen Probe A0095425518

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR125607

Range Rover Sport L494 Exhaust Gas Temperature Sensor 3.0D AJ20D6 K6D3-5J254-AB

€222.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 4G0906088AJ

Audi A7 4G Lambda Probe Exhaust Gas Sensor Diesel Engine CVUA 4G0906088AJ

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906088EM

VW Volkswagen Tiguan 5n Exhaust Temperature Sensor Sender DFHA 04L906088EM

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9683265480

Lambda Sensor Peugeot 3008 Citroen DS4 C4 Oxygen Probe 9683265480

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 5298429

Ford Fiesta Mk7 Exhaust Gas Temperature Sensor ST 1.6 EcoBoost D2BA-6G004-AA

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7539126

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

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906088CC

Volkswagen Tiguan 5N Exhaust Gas Temperature Sensor DFGA DFHA DFGC 04L906088CC

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MB3G-12B591-DB

VW Amarok Mk2 Exhaust Gas Temperature Lambda Sensor 3.0 TDI MB3G-12B591-DB

€99.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906262M

Volkswagen Tiguan 5N Exhaust Oxygen Lambda Probe D Sensor 2.0 Diesel 04L906262M

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009058011

NOX Sensor Mercedes W205 W213 W906 W247 Lambda Oxygen Probe A0009057803

€123.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9A260619300

Porsche 718 Cayman Boxster 982 Oxygen Lambda Sensor 2.0 2.5 Petrol 9A260619300

€75.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. MX73-5J299-AB

Land Rover Range Rover Velar L560 Lambda Oxygen Sensor 2.0 Diesel MX73-5J299-AB

€275.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906088DN

VW Volkswagen Tiguan 5n Exhaust Temperature Sensor 2.0 TDI 04L906088DN

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906262A

Audi A3 8V Lambda Oxygen NOX Sensor 04L906262A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0009059405

Mercedes R172 Gas Exhaust Temperature Sensor A0009059405

€113.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. LR125273

Range Rover Sport L494 Lambda Oxygen Sensor 3.0 Diesel Engine LK62-9D375-AA

€70.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059906262J

Volkswagen Touareg 3.0 TDI Diesel Line Lambda Probe Oxygen Sensor 059906262J

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. A0085427018

Mercedes W204 W212 Lambda Sensor Exhaust Probe Left N/S M276 Petrol A0085427018

€23.95

Free delivery: Sep 14 – 15

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 14 – 15

If paid before 14:00

Part no. MX73-5J299-BB

Land Rover Range Rover Velar L560 Lambda Oxygen Sensor 2.0 Diesel MX73-5J299-BB

€165.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04E906262BG

Volkswagen Golf Mk7 Audi A3 8V Petrol Lambda Oxygen Sensor 1.2 TSI 04E906262BG

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8W0906265S

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

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7L0907643A-1

Audi Q7 4L Air Conditioning Quality Sensor AUC Control Unit 7L0907643A

€66.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03L906262A-1

VW Volkswagen Golf 6 Lambda Sensor Oxygen Probe 03L906262A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 022906265A

Audi TT 8N 3.2 VR6 Quattro Lambda Probe Sensor Pre Catalyst Cyl 4-6 022906265A

€61.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906088

Audi A3 8V 2.0 TDI Exhaust Gas Temperature Sensor EGT 04L906088

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 8686978

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

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. F1FA-9Y460-EA

Ford Fiesta Mk8 Lambda Oxygen Sensor Probe 1.0 EcoBoost Petrol F1FA-9Y460-EA

€51.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 03C906262A

Volkswagen Golf Plus 5M Lambda Oxygen Sensor Probe 1.6 FSI BLF Petrol 03C906262A

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L919529M

Volkswagen Crafter Sy Transporter 7H Exhaust Gas Temperature Sensor 04L919529M

€47.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059906088DR

Audi A6 C8 Q7 4M Diesel Exhaust Gas Temperature Sensor 3.0 TDI 059906088DR

€32.95

Free delivery: Sep 14 – 15

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: Sep 14 – 15

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: Sep 14 – 15

If paid before 14:00

Part no. 7540168

BMW E60 E63 540i 550i 650i Lambda Sensor Oxygen Exhaust Probe L=550mm 7540168

€32.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 9454704

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

€142.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 059906262B

Audi Q7 4L Volkswagen Touareg Lambda Oxygen Sensor Probe Cable Diesel 059906262B

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 7518495

BMW 5 7 Series E60 E61 E65 E66 Regulating Lambda Probe M54 Petrol 7518495

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 04L906262AH

VW Volkswagen Crafter Sy SC S7 Lambda Oxygen Probe Sensor 2.0 Diesel 04L906262AH

€56.95

Free delivery: Sep 14 – 15

If paid before 14:00

Part no. 07L906262F

Audi A8 D3 Exhaust Gas Temperature Lambda Probe Oxygen Sensor 07L906262F

€23.95

Free delivery: Sep 14 – 15

If paid before 14:00

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