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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Oxygen Sensor Audi A4 B8 S5 8T Exhaust Lambda Probe Unit 07L906262

€23.95

Part no. 8509030

BMW 3 5 Series E90 LCI F10 330d 530d N57 Diesel Oxygen Sensor Lambda 8509030

€37.95

Part no. 7793825

BMW F10 F20 F30 E90 LCI Oxygen Sensor Exhaust Lambda Petrol 7793825

€23.95

Part no. A0009056704

Temperature Sensor Mercedes W176 W246 Diesel Exhaust Gas A0009056704

€28.95

Part no. 7557710

BMW E81 E82 E90 E91 E92 Temperature Sensor Exhaust 7557710

€56.95

Part no. 8659884

Mini Cooper F55 F56 F60 Regulating Lambda Probe Petrol Engine 8659884

€23.95

Part no. 7537984

BMW E60 E61 E65 E66 E87 E90 E91 Regulating Lambda Probe Petrol

€23.95

Part no. 04L906088BL

Skoda Octavia 5E Audi A3 8V Exhaust Gas Lambda Probe Oxygen Sensor 04L906088BL

€23.95

Part no. A0065421718

Lambda Sensor Mercedes W447 Diesel OM651 Catalytic Converter Probe A0065421718

€23.95

Part no. 0281004221

Mercedes W205 Renault Lambda Probe Oxygen Sensor Bosch 0281004221

€23.95

Part no. 8570125

Mini F54 F55 F56 Exhaust Catalytic Converter Oxygen Sensor 8570125

€23.95

Part no. A0009058604

Mercedes GLE 250 AM Diesel Exhaust Gas Temperature Sensor A0009058604

€23.95

Part no. 226401632R

Exhaust Temperature Sensor Mercedes W176 W246 OM607 Diesel Engine Filter Wiring

€23.95

Part no. A0005421300

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

€42.95

Part no. 3413464

BMW X3 Series E83 M54 2.5i 3.0i Exhaust Lambda Probe Sensor 3413464

€23.95

Part no. 7566156

Lambda Probe Bracket BMW E81 E82 E88 E90 Petrol N43 N46N Probe Mount 7566156

€23.95

Part no. A0035427118

Mercedes W203 C209 Lambda Oxygen Sensor Probe A0035427118

€23.95

Part no. 05L907807J

VW Volkswagen Golf Cd1 NOx Oxygen Probe Sensor 2.0 TDI DTSB Diesel 05L907807J

€66.95

Part no. 4G0907658B

Audi A6 C8 Volkswagen Touareg Air Quality Humidity Sensor 4G0907658B

€23.95

Part no. 6G9N-5L200-AA

Jaguar XF250 Exhaust Pressure Sensor DPF Exhaust Hoses 6G9N-5L200-AA

€23.95

Part no. 8513997

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

€23.95

Part no. 8570121

BMW X1 Series F48 MINI F55 F56 F60 Temperature Sensor L=1000 Exhaust 8570121

€23.95

Part no. 7620322

BMW F20 F21 F30 F31 F32 X5 F15 N20 N55 Exhaust Valve Actuator Flap Drive 7620322

€56.95

Part no. 021906262C

Volkswagen Seat Audi Oxygen Sensor Lambda Probe 021906262C 0258006161

€23.95

Part no. 8572800

Mini Cooper F54 F55 F56 F57 F60 Oxygen Sensor Exhaust L=430 Lambda 8572800

€42.95

Part no. A0009059905

Mercedes C253 W213 C238 W907 Exhaust Gas Temperature Sensor A0009059905

€23.95

Part no. 8058646

BMW X3 F97 M X4 F98 M S58 Oxygen Sensor Exhaust Lambda Probe L=640MM 8058646

€42.95

Part no. 04E906262BA

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

€23.95

Part no. 059906088Q

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

€28.95

Part no. 8W0906265D

Audi A4 B9 2.0 TDI DETA Diesel Lambda Probe Sensor 8W0906265D

€23.95

Part no. 04L906088DT

Audi Q3 8U Exhaust Gas Temperature Sensor Wiring 2.0 TDI DFTA 04L906088DT

€23.95

Part no. A0015403717

Mercedes W168 Vaneo W414 Lambda Oxygen Sensor Probe Petrol A0015403717

€23.95

Part no. 04L907805DG

Volkswagen Golf VII Exhaust NOX Lambda Oxygen Sensor 04L907805DG

€37.95

Part no. 7548961-1

Exhaust Oxygen Sensor Mini Cooper R55 R56 R57 R58 Lambda Probe 7548961

€23.95

Part no. A0005428004

Mercedes W205 W213 Lambda Probe Oxygen Exhaust Sensor Wiring A0005428004

€23.95

Part no. 8508014

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

€23.95

Part no. 7545244

BMW E60 E61 E63 N52 Lambda Probe Monitor Sensor L= 520MM Petrol

€23.95

Part no. 06E906265Q

Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265Q

€23.95

Part no. A0009050805

DPF Sensor Mercedes X253 OM651 Particulate Filter Temperature Sensor A0009050805

€42.95

Part no. 04L906088EA

Audi Q3 8U 2.0 TDI CUWA Exhaust Gas Temperature Sensor 04L906088EA

€23.95

Part no. A0009058904

Mercedes X253 OM651 Catalytic Converter Sensor Temperature Exhaust Sensor

€23.95

Part no. A0065424918-1

Lambda Sensor Mercedes W204 W212 Diesel Oxygen Probe A0065424918

€28.95

Part no. 7798472

BMW X3 E83 2.0d Exhaust Cat Converter Temperature Sensor 7798472

€28.95

Part no. 03L906262B

Audi Q3 SE TDI Exhaust Lambda Probe Oxygen Sensor 03L906262B

€23.95

Part no. 8589813

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

€23.95

Part no. A0009058105

Mercedes C117 W246 X156 Diesel DPF Exhaust Gas Temperature Sensor OM651

€23.95

Part no. 8573155

BMW 1 3 Series F20 F21 F30 E31 LCI Diesel Oxygen Sensor Exhaust Lambda 8573155

€85.95

Part no. 7589121

BMW 1 3 Z4 Series F20 F21 F30 E89 Sensor Lambda Probe Petrol 7589121

€23.95

Part no. A0009055305

Mercedes Vito W447 Diesel OM651 Exhaust Gas Temperature Sensor EGT A0009055305

€37.95

Part no. 04E906262CR

VW Volkswagen Golf Mk5 Petrol Exhaust Lambda Oxygen Sensor 04E906262CR

€23.95

Part no. A0051531028

Mercedes W211 W906 Diesel Exhaust Gas Temperature Sensor A0051531028

€28.95

Part no. 06K906262CF

Volkswagen Golf 5G Lambda Sensor Oxygen Sensor Probe 06K906262CF

€23.95

Part no. 7539124

BMW 5 6 Series E60 E61 E64 E65 620MM Sensor Lambda Probe Grey Petrol 7539124

€23.95

Part no. 7804758

BMW E60 E90 91 LCI E70 E71 M57N2 Exhaust Temperature Sensor 7804758

€80.95

Part no. 7848482

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

€23.95

Part no. A0009050608-1

Mercedes W205 X253 W447 W906 OM651 Lambda Oxygen Nox Sensor A0009050608

€85.95

Part no. 03L906088AJ

VW Volkswagen Golf 6 1.6 TDI Exhaust Gas Temperature Sensor 03L906088AJ

€23.95

Part no. 9677662080

Peugeot Expert Citroen Jumpy 1.6 HDI Exhaust Gas Temperature Sensor 9677662080

€28.95

Part no. 04L906088BD

Volkswagen VW Golf Mk7 Exhaust Gas Temperature Sensor 1.6 TDI 04L906088BD

€23.95

Part no. 223214742R

Renault Trafic III Opel Vivaro B Exhaust Pressure Sensor Pipe Hose 223214742R

€137.95

Part no. A0045422218

Mercedes SLK R171 Lambda Sensor Oxygen Probe Petrol A0045422218

€23.95

Part no. 8659971

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

€23.95

Part no. 7L5906262

Porsche Cayenne 9PA Exhaust Oxygen Lambda Sensor 7L5906262

€23.95

Part no. 9820566180

Citroen Relay III Oxygen NOx Lambda Exhaust Sensor HDi Diesel 9820566180

€56.95

Part no. A0065422218

Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422218

€23.95

Part no. 8595135

Lambda Sensor BMW F40 F48 Diesel Exhaust Oxygen Sensor Cable Probe 8595135

€23.95

Part no. A0081533728

Mercedes W212 Diesel Gas Exhaust Temperature Probe Sensor A0081533728

€23.95

Part no. 03G906262M

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

€23.95

Part no. 04E906262CS

Lambda Sensor VW Golf 8 CD1 Seat Leon 1.5 eTSI Petrol DFYA Probe 04E906262CS

€23.95

Part no. 7521705

BMW 5 6 7 Series E60 E63 E64 E65 E66 Sensor Lambda Probe Grey Petrol 7521705

€23.95

Part no. 0009055114

Mercedes Vito W447 Sprinter W907 OM654 Knox Sensor Exhaust Probe 0009055114

€75.95

Part no. 7805604

BMW F10 F11 X5 E70 LCI Exhaust Pressure Sensor Bracket Holder Mount N57S 7805604

€23.95

Part no. 226A41733R

Renault Trafic III NOX Exhaust Lambda Oxygen Sensor 226A41733R

€23.95

Part no. A0015420718

Lambda Sensor Mercedes W169 W245 Oxygen Probe A0015420718

€32.95

Part no. 04L906088DA

VW Volkswagen Passat B8 Exhaust Gas Temperature Sensor 1.6 TDI DCXA 04L906088DA

€23.95

Part no. 7530318

BMW Z4 Series E85 Exhaust Lambda Monitor Sensor Probe 765MM 7530318

€23.95

Part no. 04L906088DB

Audi Q3 8U A3 8V Exhaust Gas Temperature Sensor Wiring 04L906088DB

€23.95

Part no. 8631393

Mini Cooper One F55 F56 F57 Exhaust Lambda Monitor Sensor Probe 8631393

€28.95

Part no. 2010986

Ford Transit Connect Mk2 Lambda Oxygen Sensor 1.5 TDCI F1F1-9Y460-EA

€28.95

Part no. A0009059007

Mercedes Sprinter W910 W447 OM651 Exhaust Gas Temperature Sensor A0009059007

€32.95

Part no. A0009057901

Mercedes W204 W212 M276 Petrol Exhaust Gas Temperature Sensor A0009057901

€28.95

Part no. 8K0906262G

Audi A5 8T Exhaust Lambda Oxygen Sensor 8K0906262G

€23.95

Part no. 03L906088DH

VW Volkswagen Caddy Maxi Exhaust Gas Temperature Sensor 03L906088DH

€28.95

Part no. 8W0907807S

Audi A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI DEZE 8W0907807S

€28.95

Part no. 8611294

BMW 1 3 Series F20 F21 F30 LCI Petrol Oxygen Sensor Exhaust Lambda 8611294

€23.95

Part no. 059907807J

Porsche Cayenne 92A VW Volkswagen Touareg 7P Lambda NOX Sensor 059907807J

€165.95

Part no. 227702184R

Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227702184R

€23.95

Part no. 8W0906265AC

Audi A5 F5 Q5 FY Lambda Probe Oxygen Monitor Sensor 8W0906265AC

€23.95

Part no. MX73-5J299-CB

Range Rover Evoque L551 Rear NOx Sensor Trap Temp Sensor 2.0 MX73-5J299-CB

€42.95

Part no. 7503441

BMW 3 5 7 Series E46 E60 E61 E65 Regulating Lambda Probe Petrol L=570MM 7503441

€23.95

Part no. 03L906262K

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

€23.95

Part no. 8W0906265C

Audi S5 F5 NOX Sensor Lambda Oxygen Probe 2.9 TFSI Left N/S 8W0906265C

€37.95

Part no. 059906088DF

Audi A6 C8 Exhaust Gas Temperature Sender Sensor 3.0 TDI Diesel DDVB 059906088DF

€37.95

Part no. 06E906262C

Porsche Cayenne S 92A Lambda Oxygen Sensor 3.0 TFSI 06E906262C

€23.95

Part no. AV2Q-9D375-AA

Ford Fiesta Mk7 Focus Lambda Oxygen Sensor 1.6 Diesel TDCi AV2Q-9D375-AA

€23.95

Part no. A0009050132

Exhaust Temperature Sensor Mercedes Sprinter W906 OM646 Diesel A0009050132

€23.95

Part no. 8589665

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

€23.95

Part no. A0045423618

Mercedes CL203 Oxygen Sensor Lambda Probe M272 Petrol A0045423618

€56.95

Part no. 226401704R

Exhaust Temperature Sensor Mercedes W176 W246 OM607 Diesel Engine Filter Wiring

€42.95

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