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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. AG9112B591BB

Ford Mondeo MK4 S-MAX Galaxy MK3 Exhaust Gas Temperature Sensor AG9112B591BB

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009058311

Mercedes W205 OM656 NOX Lambda Sensor Catalytic Converter A0009058311

€294.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 8R0906262

Audi A5 8T 2.0 TDI Lambda Sensor Oxygen Sensor 8R0906262

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8657235

BMW F90 M5 F92 M8 X5 G05 S63M N63M Oxygen Lambda Monitor Sensor Probe 8657235

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8508014

BMW 5 7 Series F10 F11 F01 F02 LCI N57N Temperature Sensor Exhaust 8508014

€23.95

Free delivery: Sep 24 – 29

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 24 – 29

If paid before 14:00

Part no. 0258005109

Range Rover L322 Lambda Probe Oxygen Sensor 4.4 0258005109

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. L8D2-9G444-AB

Land Rover Discovery Sport L550 Lambda Oxygen Sensor 1.5 PHEV L8D2-9G444-AB

€70.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8W0906265M

Audi A5 F5 SQ5 FY Lambda Oxygen Sensor Exhaust Wiring 8W0906265M

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 226A41733R

Renault Trafic III NOX Exhaust Lambda Oxygen Sensor 226A41733R

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. LR178306

Land Rover Range Rover Evoque L551 Lambda Oxygen Sensor R8D25H310AC

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009052900

Mercedes-Benz S-Class W221 NOX Sensor Lambda Probe Control Unit A0009052900

€47.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0105422618

Mercedes W176 W242 Lambda Sensor Oxygen Probe Diesel A220 CDI A0105422618

€108.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7798472

BMW X3 E83 2.0d Exhaust Cat Converter Temperature Sensor 7798472

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 022906262BE

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

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8513997

BMW F10 F20 F22 F30 F32 Diesel B47 Bracket Sensor Holder Exhaust Probe 8513997

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. MX73-12B591-AA

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

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 06F906262P

VW Volkswagen Golf 1K 2.0 TSI Petrol Exhaust Lambda Oxygen Sensor 06F906262P

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7530290

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7539125

BMW 3 5 6 Series E60 E61 E63 E90 E92 M3 LCI Petrol Lambda Probe Black 325mm

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8K0906262G

Audi A5 8T Exhaust Lambda Oxygen Sensor 8K0906262G

€37.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 226404367R

Temperature Sensor Mercedes W176 OM607 Diesel Exhaust Flue Sensor 226404367R

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. A2139051115

Door Pressure Sensor Mercedes W205 W213 C253 Unit Front Left N/S A2139051115

€32.95

Free delivery: Sep 24 – 29

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Part no. A0009057809

Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009050805

DPF Sensor Mercedes X253 OM651 Particulate Filter Temperature Sensor A0009050805

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8600992

Mini Cooper F55 F56 Exhaust Lambda Probe Oxygen Sensor 0258027083 8600992

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009058904

Mercedes X253 OM651 Catalytic Converter Sensor Temperature Exhaust Sensor

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. A0005428004

Mercedes W205 W213 Lambda Probe Oxygen Exhaust Sensor Wiring A0005428004

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8659971

Lambda Sensor BMW G20 G21 G30 G31 Exhaust Oxygen Sensor Cable Probe 8659971

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 05L906088BR

Audi A5 F5 A4 B9 Q5 FY Diesel Exhaust Gas Temperature Sensor 05L906088BR

€37.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0071536728

Exhaust Temperature Sensor Mercedes W204 W212 OM651 Diesel Engine A0071536728

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. F1F1-9Y460-DA

Ford Focus Mk3 Transit Connect Mk2 Exhaust Lambda Sensor 1.5 TDCi F1F1-9Y460-DA

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7809154

BMW 3 Series E90 E91 E92 335d M57N2 Exhaust Temperature Sensor 7809154

€32.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 8478162

BMW G30 LCI G20 G21 G22 G23 G26 G60 G61 Exhaust Gas Temperature Sensor 8478162

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0005427912

Mercedes C118 W177 M282 Petrol Exhaust Lambda Oxygen Sensor A0005427912

€94.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0065422218

Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422218

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0005421300

Mercedes W205 M176 Lambda Probe Sensor Left Right N/O/S A0005421300

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0005421312

Mercedes W206 Sonde Lambda Oxygen Sensor 4 Pin A0005421312

€51.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 1439900

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

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 9820566180

Citroen Relay III Oxygen NOx Lambda Exhaust Sensor HDi Diesel 9820566180

€56.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 022906262BG

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

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7589147

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

€32.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 4M0906262

Audi A7 4G 3.0 TDI Diesel Lambda Sensor Oxygen Sensor Lambda Probe 4M0906262

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8043677

BMW F90 M5 F91 F92 M8 Regulating Lambda Probe Petrol Oxygen Sensor 8043677

€56.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8589665

Oxygen Sensor BMW X3 G01 G30 G31 Lambda Exhaust Catalytic Converter 8589665

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03G906262M

Audi A4 B7 Diesel NOX Lambda Oxygen Sensor 6 Pins Plug 03G906262M

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8589813

Mini F54 F55 F56 F57 F60 Temperature Sensor Probe L=720 Exhaust 7543312

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 8570231

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906088CC

VW Audi Golf 6 A3 8P 2.0TDI Exhaust Gas Temperature Sensor EGT Probe 03L906088CC

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 059906262E

Audi A4 B7 Diesel Line Lambda Probe Oxygen Sensor 059906262E

€28.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. A0025402317

Smart Fortwo 450 Roadster 452 Exhaust Lambda Probe Sensor Wiring A0025402317

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04L906088DC

Volkswagen Transporter T6 Exhaust Gas Temperature Probe 2.0 TDI 04L906088DC

€32.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 03L906262K

Audi A4 B8 Lambda Sensor Oxygen Sensor Lambda Probe Diesel Engine TDI 03L906262K

€23.95

Free delivery: Sep 24 – 29

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0015403817

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

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 9821120780

Citroen Relay III Oxygen NOx Lambda Exhaust Sensor HDi Diesel 9821120780

€70.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7848482

BMW 3 4 Series F80 M3 F82 F83 M4 Lambda Probe Oxygen Monitor Sensor 7848482

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8200406337

Renault Trafic Vauxhall Vivaro Lambda Sensor Exhaust Control Unit 8200406337

€28.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 226A42455R

Opel Vivaro B 1.6 CDTI Lambda Probe Oxygen Sensor 226A42455R

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 80A907807AG

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

€132.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 07C906262BH

Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe 07C906262BH

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7545075

BMW E81 E87 E90 E91 E92 Petrol N52 N52N N53 N54 Lambda Monitor Sensor 7545075

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 6Q0820539

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

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 9665414480

Peugeot 207 308 Lambda Sensor Diesel Oxygen Probe Exhaust 9665414480

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

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 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 46349778

Fiat Ducato NOx Oxygen Sensor 2.2 Multijet Diesel 46349778

€142.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0075426418

Lambda Probe Mercedes W204 W205 W213 M278 Petrol Oxygen Sensor A0075426418

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 7589968

BMW E90 E91 Lambda Sensor Petrol Exhaust Lambda Probe Sensor Wiring 7589968

€28.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0019052900

Temperature Sensor Mercedes W205 W221 Exhaust Gas Lambda Probe A0019052900

€42.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0009051613

Exhaust Sensor Mercedes W177 W247 OM654 Gas Temperature Sensor A0009051613

€66.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 8W0907807BE

Audi A4 B9 A5 F5 NOx Sensor 2.0 TDI Diesel 8W0907807BE

€284.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

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: Sep 24 – 29

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: Sep 24 – 29

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: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

Part no. 04L906262E

Volkswagen Transporter T6 Lambda Oxygen Sensor 2.0 TDI 04L906262E

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 8570234

BMW 1 2 3 Series F20 F21 F22 F30 LCI Exhaust Temperature Sensor 8570234

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. A0051537928

Temperature Sensor Mercedes W164 W211 OM642 Exhaust Gas A0051537928

€23.95

Free delivery: Sep 24 – 29

If paid before 14:00

Part no. 04E906262BA

Audi A1 8X VW Polo 6R 1.4 TSI Petrol Lambda Oxygen Sensor 04E906262BA

€23.95

Free delivery: Sep 24 – 29

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: Sep 24 – 29

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: Sep 24 – 29

If paid before 14:00

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