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 A5 8T 2.0 TDI EGR Tube Line Pipe Exhaust Gas Pressure Sensor 04L131552BK

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059907807L

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

€218.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0906265AR

Audi A6 C8 A7 4K Q7 4M Lambda Probe Oxygen Sensor 8W0906265AR

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06H906262A

Audi A5 8T Engine Exhaust Oxygen Lambda Sensor Catalytic 06H906262A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. MPLA-5J299-BB

Range Rover Evoque L551 Lambda Oxygen Sensor 2.0 Diesel Electric MPLA-5J299-BB

€85.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. BG91-9D375-AA

Ford Mondeo Mk4 Lambda Oxygen Sensor 5 Hego Sensor Probe BG91-9D375-AA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0065422018

Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422018

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1371593

Ford Focus Mk2 ST Engine Knock Sensor Unit 2.5 6M5G-12A699-AA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. MX73-12B591-BA

Range Rover Velar L560 Exhaust Gas Temperature Sensor Unit MX73-12B591-BA

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009058800

Mercedes W221 Exhaust Catalytic Converter Oxygen Sensor A0009058800

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0919519C

Audi A4 B9 A5 F5 A6 C8 Exhaust Gas Temperature Sensor 2.0 Hybrid 8W0919519C

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059906088AT-1

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0919529P

Audi A4 B9 A5 F5 Exhaust Gas Temperature Lambda Sensor 2.0 TFSI 8W0919529P

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 07L906265

Audi S5 8T 4.2 FSI CAUA Petrol Exhaust Oxygen Lambda Probe Sensor 07L906265

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0005423100

NOX Sensor Mercedes W213 X253 M274 Lambda Oxygen Probe A0005423100

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 0258005109

Range Rover L322 Lambda Probe Oxygen Sensor 4.4 0258005109

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8D2-5J299-AB

Land Rover Range Rover Evoque L551 Lambda Oxygen Sensor 2.0 Hybrid M8D2-5J299-AB

€142.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. LR178306

Land Rover Range Rover Evoque L551 Lambda Oxygen Sensor R8D25H310AC

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. MX73-12B591-AA

Range Rover Velar L560 Exhaust Gas Temperature Sensor 2.0 MX73-12B591-AA

€23.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 022906262BE

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

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0015405117

Mercedes W220 Oxygen Sensor Lambda Probe A0015405117

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7513963

BMW E60 E61 E65 X3 E83 Z4 E85 Lambda Monitor sensor L=990MM 7513963

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8W0919529B

Audi A6 C8 A8 4N Exhaust Gas Temperature Lambda Sensor 3.0 TFSI 8W0919529B

€85.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06J906262N

Audi Q3 8U VW Tiguan 5N Lambda Probe Wiring Oxygen Sensor Petrol 06J906262

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06E906265AA

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009052709

Mercedes W447 Lambda Oxygen NOX Sensor A0009052709

€75.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088K

Audi A3 8V 2014 1.6 TDI CRKB Exhaust Gas Temperature Sensor 04L906088K

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8201000784

Renault Trafic 3 Exhaust Gas Pressure Sensor 1.6 DCI R9M 8201000784

€75.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. 4H0906265B

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 4 Pin Cyl.1-4 4.0 Petrol 4H0906265B

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009051206

Mercedes C253 Diesel OM651 Exhaust Gas Temperature Sensor A0009051206

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. GJ32-12B591-BB

Range Rover Evoque L538 Exhaust Gas Temperature Sensor GJ32-12B591-BB

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1439900

Ford Fiesta Mk5 Engine Map Manifold Pressure Sensor 1S72-9F479-AC

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8200406337

Renault Trafic Vauxhall Vivaro Lambda Sensor Exhaust Control Unit 8200406337

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04E906262A

VW Volkswagen Golf Mk5 Petrol Exhaust Lambda Oxygen Sensor 04E906262A

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04E906262AT

Audi A1 8X Lambda Oxygen Sensor Probe 1.4 TSI Petrol CZC CZCA 04E906262AT

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7823854

Lambda Probe Bracket BMW F10 F20 F30 N47S1 Plug Support Holder 7823854

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0085423018

Lambda Probe Mercedes C216 W204 W221 OM274 Catalytic Converter Lambda Sensor

€51.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088AR

Skoda Octavia 5E 1.6 TDI Exhaust Gas Temperature Lambda Sensor 04L906088AR

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 022906262BG

Volkswagen Touareg 7L Lambda Sensor Oxygen Sensor Lambda Probe 3.2 022906262BG

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9681852780

Peugeot 308 Lambda Sensor Diesel Oxygen Probe Exhaust Sensor 9681852780

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06K906262AE

Audi A1 8X 1.8 TFSI DAJB Petrol Exhaust Lambda Oxygen Sensor Probe 06K906262AE

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4H0906262H

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 5 Pin Cyl. 5-8 4.0 Petrol 0258027199

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 80A906262

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

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0025402317

Smart Fortwo 450 Roadster 452 Exhaust Lambda Probe Sensor Wiring A0025402317

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2281356

Fiesta Mk8 Lambda Probe Oxygen Sensor Unit 1.5 Petrol K1BY-9Y460-AB

€66.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906088DC

Volkswagen Transporter T6 Exhaust Gas Temperature Probe 2.0 TDI 04L906088DC

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0009050713

Temperature Sensor Mercedes W205 W223 C253 Exhaust Gas Control A0009050713

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 06E906265S

Audi A4 S4 8H 8E A5 S5 8T A6 S6 4F Q5 8R Lambda Sensor Oxygen Probe 06E906265S

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4M0906261J

Audi Q7 4M Lambda Sensor Oxygen Sensor Lambda Probe 3.0 TDI 4M0906261J

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L907807BB

Audi A2 GA 2.0 TDI DTTC Oxygen NOX Sensor Module Control Unit 05L907807BB

€94.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 80A907807AG

Audi Q5 FY NOx Sensor Rear Lambda Probe Sensor Exhaust Temperature 80A907807AG

€132.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8508071

BMW F10 F11 F01N F02N E70N F15 E71 F16 Exhaust Temperature Sensor 8508071

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4M0907807BD

Audi Q7 4M Lambda Sensor NOx Oxygen Sensor Lambda Probe 3.0 TDI 4M0907807BD

€132.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 5Q0907543

Volkswagen Golf 8 Interior Vent Air Temperature Sensor 5Q0907543

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 058905379

Audi TT 8N Air Conditioning Heater A/C Temperature Sensor Unit 058905379

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0065422718

Mercedes W204 C207 W212 M271 Lambda Sensor Oxygen Probe A0065422718

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 07K906262J

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

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2550612

Ford Fiesta Mk8 Lambda Probe Oxygen Sensor Unit 1.5 Petrol K1BY-9G444-AB

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03L907807AB

Volkswagen Crafter 35 NOX Sensor Lambda Oxygen Probe 2.0 TDI 03L907807AB

€123.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4M0906088AN

Audi A4 B9 A5 F5 A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI 4M0906088AN

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8507629

BMW F30 F32 LCI 330d 430d N57N Exhaust Temperature Sensor 8507629

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7539136

BMW F01 F02 F03 Rolls-Royce Ghost RR4 Wraith RR5 N74 V12 Lambda Sensor 7539136

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. M8D2-12B591-BB

Range Rover Evoque L551 Exhaust Gas Temperature Sensor 2.0 Diesel M8D2-12B591-BB

€47.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4H0906265C

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 4 Pin Cyl. 5-8 4.0 Petrol 4H0906265C

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C906262AK

VW Golf Mk6 Audi A3 8P 1.4 TSI NOx Sensor Lambda Oxygen Probe 03C906262AK

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 059906088CN

Audi A4 B9 A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI Diesel 059906088CN

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4H0906262G

Audi S6 C7 S7 4G Lambda Probe Oxygen Sensor 5 Pin Cyl. 1-4 4.0 Petrol 0258027199

€28.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906262E

Volkswagen Transporter T6 Lambda Oxygen Sensor 2.0 TDI 04L906262E

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 226A42455R

Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor 226A42455R

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03C906262AL

Audi A3 8P Golf Mk6 NOX Sensor Lambda Probe Oxygen Sensor 1.4 TSI 03C906262AL

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L907805N

Volkswagen Caddy Mk4 Sharan Mk2 NOX Sensor Module 2.0 TDI 5WK96621K 04L907805N

€89.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05E906051P

Seat Ibiza Mk5 VW Golf Mk8 Exhaust DPF Pressure Sensor 05E906051P

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7835884

BMW 5 6 Series E60 M5 E63 E64 M6 Lambda Probe Cable Bracket 7835884

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 05L906088BN

Audi A4 B9 A6 C8 A7 4K Q5 FY Exhaust Gas Temperature Sensor 2.0 TDI 05L906088BN

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8J0971830

Audi TT Mk2 8J Lambda Probe Connector Wiring Cable Guide Cover Housing 8J0971830

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 8570589

BMW 1 X1 Series F20 F21 LCI F48 Holder Bracket Lambda Probe 8570589

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 99660617801

Porsche 911 996 997 Exhaust Oxygen Lambda Sensor Cable Wiring 99660617801

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. C1BY-9Y460-AB

Ford Fiesta Mk7 Lambda Probe Oxygen Sensor 1.6 Ecoboost Engine C1BY-9Y460-AB

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A2601500400

Mercedes W177 W247 M260 Diesel Exhaust Gas Temperature Sensor A2601500400

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4G0907807AN

Audi A6 Allroad A7 4G8 NOX Lambda Sensor Probe Oxygen Sensor 4G0907807AN

€279.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4G0906088J

Audi A6 C7 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088J

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 4G0906088R

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

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. AV61-9D375-BA

Ford Kuga C394 Mk1 Lambda Oxygen Sensor Unit 2.0 TDCi Diesel AV61-9D375-BA

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A1774902502

Mercedes W177 W247 DPF Exhaust Pressure Sensor Bracket Mount Holder A1774902502

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. A0075420018

Mercedes W204 S204 W212 S212 NOX Lambda Probe Oxygen Sensor Control A0075420018

€113.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 03G906088BA

Audi A4 B7 A6 C6 Diesel Engine Exhaust Gas Temperature Sensor 03G906088BA

€32.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7544655

BMW E60 E60N E61 E61N E64N LCI E65 Lambda Monitor Sensor L= 380MM 7544655

€23.95

Free delivery: Aug 10 – 11

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: Aug 10 – 11

If paid before 14:00

Part no. FC4A-5L200-CA

Ford Fiesta Mk8 DPF Exhaust Pressure Sensor ST 1.5 EcoBoost FC4A-5L200-CA

€42.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7537995

BMW 1 Series E87 Sonda Monitor Lambda Sensor Probe L=270MM 7537995

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 9682216680

Peugeot Expert Lambda Sensor Diesel Oxygen Probe Exhaust 9682216680

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 7P5906262

Porsche Cayenne 92A Lambda Oxygen Probe Sensor Petrol 7P5906262

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 1543768

Ford Transit Courier Exhaust Gas Temperature Sensor 1.5 TDCi 6M51-12B591-DA

€56.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 46350838

Vauxhall Movano C Exhaust Gas Temperature Sensor Sender 46350838

€37.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 2190897

Ford Transit Connect Mk2 Air Pressure MAP Sensor Unit 1.5 EcoBlue 9814003580

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906051F-1

Volkswagen Skoda Audi 2.0 TDI Diesel DPF Pipe Pressure Sensor 04L906051F

€23.95

Free delivery: Aug 10 – 11

If paid before 14:00

Part no. 04L906261B

Volkswagen Transporter T6 Nox Lambda Sensor 2.0 TDI 04L906261B

€213.95

Free delivery: Aug 10 – 11

If paid before 14:00

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