Lambda probes and O2 sensors
More informationAt 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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-5%
Part no. A0035427018
Lambda Probe Mercedes ML GL Class W164 W169 Oxygen Sensor A0035427018
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0035427118
Mercedes W203 C209 Lambda Oxygen Sensor Probe A0035427118
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0065422718
Mercedes W204 C207 W212 M271 Lambda Sensor Oxygen Probe A0065422718
Promo price
PLN 56.95
PLN 48.41
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0025400617
Mercedes W203 Petrol Lambda Oxygen Sensor Probe A0025400617
Promo price
PLN 85.95
PLN 81.65
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009056704
Temperature Sensor Mercedes W176 W246 Diesel Exhaust Gas A0009056704
Promo price
PLN 46.95
PLN 39.91
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009056404
Mercedes W212 OM651 Diesel Exhaust Gas Temperature Sensor A0009056404
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0005422404
Lambda Sensor Mercedes C118 W177 W247 M260 Oxygen Probe A0005422404
Promo price
PLN 246.95
PLN 209.91
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009057113
Mercedes W177 Diesel OM654 Exhaust Gas Recirculation Pressure Sensor A0009057113
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0095425618
Mercedes W156 W204 W246 W463 W636 Oxygen Lambda Sensor A0095425618
Promo price
PLN 100.95
PLN 95.90
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0005421600
Mercedes A238 M276 Petrol Exhaust Lambda Probe Oxygen Sensor A0005421600
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0095425518
NOX Sensor Mercedes W204 W212 C253 Lambda Oxygen Probe A0095425518
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0071536028
Mercedes W176 W246 OM651 Diesel Exhaust Pressure Sensor DPF A0071536028
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

Part no. A0009053009-1
Mercedes Sprinter W907 W910 OM651 NOX Sensor Lambda Oxygen Probe A0009053009
PLN 227.95
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0015420718
Lambda Sensor Mercedes W169 W245 Oxygen Probe A0015420718
Promo price
PLN 112.95
PLN 96.01
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0075426318
Mercedes W176 W246 Lambda Oxygen Sensor Probe Exhaust Wiring A0075426318
Promo price
PLN 66.95
PLN 56.91
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0065421718
Lambda Sensor Mercedes W447 Diesel OM651 Catalytic Converter Probe A0065421718
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009051206
Mercedes C253 Diesel OM651 Exhaust Gas Temperature Sensor A0009051206
Promo price
PLN 237.95
PLN 142.77
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0035426918
Mercedes W164 W169 W203 W204 W211 Lambda Oxygen Sensor Probe A0035426918
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0071539528
Mercedes W204 W211 Exhaust Gas Temperature Sensor A0071539528
Promo price
PLN 85.95
PLN 73.06
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0045420718
Mercedes-Benz W169 W203 W204 W211 W212 Petrol Lambda Sensor Probe A0045420718
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0081532228
Temperature Sensor Mercedes W204 W212 W906 Gas Exhaust Catalyst A0081532228
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-5%
Part no. 226404367R
Temperature Sensor Mercedes W176 OM607 Diesel Exhaust Flue Sensor 226404367R
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0075425118
Mercedes W211 W204 S204 Lambda Sensor Front Of Catalytic Converter A0075425118
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009059205
Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor A0009059205
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0071536728
Exhaust Temperature Sensor Mercedes W204 W212 OM651 Diesel Engine A0071536728
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009059705
Mercedes C205 Diesel Exhaust Gas Temperature Sensor EGT A0009059705
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0065424918-1
Lambda Sensor Mercedes W204 W212 Diesel Oxygen Probe A0065424918
Promo price
PLN 56.95
PLN 48.41
Delivery: Aug 07
If paid before 14:00

-5%
Part no. A0045422218
Mercedes SLK R171 Lambda Sensor Oxygen Probe Petrol A0045422218
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0015405117
Mercedes W220 Oxygen Sensor Lambda Probe A0015405117
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0019053000
Mercedes W204 OM646 Diesel Engine Exhaust Gas Temperature Sensor A0019053000
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009059905
Mercedes C253 W213 C238 W907 Exhaust Gas Temperature Sensor A0009059905
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0065422218
Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422218
Promo price
PLN 66.95
PLN 63.60
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009057204
Mercedes W204 W447 Exhaust Temperature Sensor OM642 Diesel Engine Filter
Promo price
PLN 66.95
PLN 63.60
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0065424918
Mercedes W204 W212 Diesel Lambda Sensor Oxygen Probe A0065424918
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009053905
Mercedes W906 W907 OM651 Diesel Exhaust Gas Temperature Sensor A0009053905
Promo price
PLN 151.95
PLN 129.16
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0081532728
Mercedes W204 W212 Diesel Particulate Filter Temperature Sensor Gas Exhaust
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. 0258017016
Mercedes W169 W204 W211 W212 C219 Oxygen Lambda Sensor Exhaust 0258017016
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009050608
Mercedes W205 X253 W447 W906 Lambda Oxygen Nox Sensor A0009050608
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009054914
Mercedes Sprinter W910 Lambda Oxygen NOX Sensor A0009054914
Promo price
PLN 427.95
PLN 256.77
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A2114404805
Mercedes W211 C219 Exhaust Temperature Sensor Particulate Filter A2114404805
Promo price
PLN 47.95
PLN 45.55
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0005428104
Mercedes W177 Lambda Sensor Downstream Of Catalytic Converter A0005428104
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. 227701177R
Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227701177R
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009055305
Mercedes Vito W447 Diesel OM651 Exhaust Gas Temperature Sensor EGT A0009055305
Promo price
PLN 161.95
PLN 137.66
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0095425818
Mercedes SLK R172 Lambda Sensor Oxygen Probe M177 AMG Petrol A0095425818
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009050132
Exhaust Temperature Sensor Mercedes Sprinter W906 OM646 Diesel A0009050132
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0005423100
NOX Sensor Mercedes W213 X253 M274 Lambda Oxygen Probe A0005423100
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009050701
Mercedes W246 Exhaust Gas Temperature Sensor A0009050701
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009058904
Mercedes X253 OM651 Catalytic Converter Sensor Temperature Exhaust Sensor
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A2601500400
Mercedes W177 W247 M260 Diesel Exhaust Gas Temperature Sensor A2601500400
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0071539828
Mercedes W204 W211 C219 Exhaust Temperature Sensor Control Unit A0071539828
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. 226408209R
Temperature Sensor Mercedes W176 OM607 Renault Kangoo Diesel Exhaust 226408209R
Promo price
PLN 61.95
PLN 58.85
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A6429050200
Mercedes W212 W218 W906 OM651 Diesel Exhaust Pressure Sensor DPF A6429050200
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A6519050300
Pressure Sensor Mercedes W177 W247 Diesel OM654 Exhaust Gas DPF A6519050300
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009059007
Mercedes Sprinter W910 W447 OM651 Exhaust Gas Temperature Sensor A0009059007
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0015403717
Mercedes W168 Vaneo W414 Lambda Oxygen Sensor Probe Petrol A0015403717
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009057809-1
Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809
Promo price
PLN 74.95
PLN 71.20
Free delivery: Aug 07
If paid before 14:00

Part no. A0065422018
Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422018
PLN 94.95
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. 227702184R
Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227702184R
Promo price
PLN 66.95
PLN 63.60
Free delivery: Aug 07
If paid before 14:00

-16%
Part no. A0009058605
Mercedes C207 Exhaust Gas Temperature Sensor A0009058605
Promo price
PLN 119.95
PLN 101.11
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009055307
Mercedes W177 W247 Exhaust Pressure Sensor DPF Exhaust Hoses A0009055307
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009054814
Mercedes W907 OM654 Diesel NOX Lambda Sensor A0009054814
Promo price
PLN 284.95
PLN 170.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009056804
Mercedes W204 W205 W212 OM651 Exhaust Gas Temperature Sensor A0009056804
Promo price
PLN 104.95
PLN 89.21
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009057901
Mercedes W204 W212 M276 Petrol Exhaust Gas Temperature Sensor A0009057901
Promo price
PLN 113.95
PLN 96.86
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0081533428
Mercedes W164 W166 W463 OM642 Exhaust Gas Temperature Sensor A0081533428
Promo price
PLN 94.95
PLN 56.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0005424404
Lambda Sensor Mercedes C118 W177 W247 M282 Oxygen Probe A0005424404
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009058705
Mercedes W205 GLC C253 OM642 OM651 Exhaust Gas Temperature Sensor A0009058705
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009054409
Mercedes W205 W213 W238 W257 Petrol Exhaust Gas Temperature Sensor A0009054409
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00

Part no. A2135408107
Mercedes W213 C238 C257 Oxygen NOX Lambda Sensor Wiring Harness A2135408107
PLN 94.95
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0045424818
Mercedes W204 C207 S211 S212 C219 Lambda Oxygen NOX Sensor A0015424848
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00

Part no. A0009059414
Mercedes W118 W177 W247 Engine Exhaust Gas Temperature Sensor A0009059414
PLN 284.95
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. 0009055114
Mercedes Vito W447 Sprinter W907 OM654 Knox Sensor Exhaust Probe 0009055114
Promo price
PLN 284.95
PLN 170.97
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0071537528
Mercedes Sprinter W906 Exhaust Gas Temperature Sensor A0071537528
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009056503
Mercedes W213 OM654 Diesel Exhaust Pressure Sensor DPF A0009056503
Promo price
PLN 75.95
PLN 72.15
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009057115
Mercedes W205 Exhaust Temperature Sensor A0009057115
Promo price
PLN 379.95
PLN 322.96
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. 227701177R-3
Mercedes W176 W447 Exhaust Pressure Sensor DPF OM626 Diesel 227701177R
Promo price
PLN 189.95
PLN 113.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009050713
Temperature Sensor Mercedes W205 W223 C253 Exhaust Gas Control A0009050713
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

Part no. A2464920159
Mercedes W176 W246 DPF Difference Pressure Sensor OM651 CDI A2464920159
PLN 113.95
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0051539028
Mercedes W164 Exhaust Gas Temperature Sensor Pipe Line A0051539028
Promo price
PLN 94.95
PLN 90.20
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009058800
Mercedes W221 Exhaust Catalytic Converter Oxygen Sensor A0009058800
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

-15%
Part no. A0051531028
Mercedes W211 W906 Diesel Exhaust Gas Temperature Sensor A0051531028
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. 227701177R-2
Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227701177R
Promo price
PLN 142.95
PLN 121.51
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009057609
Mercedes W177 W247 AMG Gas Exhaust Temperature Probe Sensor A0009057609
Promo price
PLN 237.95
PLN 226.05
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0005428004
Mercedes W205 W213 Lambda Probe Oxygen Exhaust Sensor Wiring A0005428004
Promo price
PLN 66.95
PLN 56.91
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0005421700
Mercedes SLK R172 Lambda Sensor Oxygen Probe M276 Petrol A0005421700
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0019050600
Mercedes W204 W212 OM642 Diesel Exhaust Gas Temperature Sensor A0019050600
Promo price
PLN 75.95
PLN 64.56
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0009057809
Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809
Promo price
PLN 46.95
PLN 44.60
Delivery: Aug 07
If paid before 14:00

Part no. A6229050500
Mercedes W447 Exhaust Gas Hear Exchanger Temperature Sensor Sender A6229050500
PLN 474.95
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009050905
Mercedes GLE 250 W166 Diesel OM651 Temperature Sensor Catalytic Converter
Promo price
PLN 123.95
PLN 105.36
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0009059704
Mercedes W205 W213 OM654 Diesel Exhaust Gas Temperature Sensor A0009059704
Promo price
PLN 132.95
PLN 113.01
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009058311
Mercedes W205 OM656 NOX Lambda Sensor Catalytic Converter A0009058311
Promo price
PLN 949.95
PLN 569.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. 0005428004
Mercedes W205 Oxygen Lambda Sensor Exhaust 0005428004
Promo price
PLN 94.95
PLN 80.71
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0035428518
Mercedes W204 C207 W212 Lambda Probe Oxygen Sensor M271 Petrol A0035428518
Promo price
PLN 113.95
PLN 96.86
Free delivery: Aug 07
If paid before 14:00

-5%
Part no. A0075426418
Lambda Probe Mercedes W204 W205 W213 M278 Petrol Oxygen Sensor A0075426418
Promo price
PLN 42.95
PLN 40.80
Delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009050805
DPF Sensor Mercedes X253 OM651 Particulate Filter Temperature Sensor A0009050805
Promo price
PLN 94.95
PLN 56.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. A0019052900
Temperature Sensor Mercedes W205 W221 Exhaust Gas Lambda Probe A0019052900
Promo price
PLN 137.95
PLN 117.26
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009053603
NOX Sensor Mercedes W212 W176 W246 Lambda Probe Control Unit A0009053603
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 07
If paid before 14:00

-40%
Part no. A0009050608-1
Mercedes W205 X253 W447 W906 OM651 Lambda Oxygen Nox Sensor A0009050608
Promo price
PLN 379.95
PLN 227.97
Free delivery: Aug 07
If paid before 14:00

-15%
Part no. 226401632R
Exhaust Temperature Sensor Mercedes W176 W246 OM607 Diesel Engine Filter Wiring
Promo price
PLN 61.95
PLN 52.66
Free delivery: Aug 07
If paid before 14:00

Part no. A0085426118
Mercedes W204 W212 Lambda Oxygen Sensor M276 A0085426118
PLN 636.95
Free delivery: Aug 07
If paid before 14:00

Original lambda sensors and O2 sensors – precise exhaust emission control
A wide selection of probes and sensors for BMW, Audi, Mercedes, MINI, Volkswagen and others
Lambda sensors and O2 sensors are essential components of the exhaust system that monitor oxygen levels in exhaust gases, supporting efficient fuel combustion and the reduction of harmful emissions. Their proper operation is necessary to meet emission standards and ensure optimal engine performance. In the Global Parts automotive store, you will find a wide selection of used car parts, including lambda sensors and O2 sensors, ideal for brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and many others.
What functions do lambda sensors and O2 sensors perform?
Lambda sensors and O2 sensors perform key functions in a vehicle's exhaust system:
- Measuring oxygen levels in exhaust gases – Lambda sensors analyze the oxygen content in exhaust gases, providing data to the engine control unit.
- Regulating the air-fuel mixture – Based on sensor measurements, the engine control unit adjusts the fuel and air proportions, ensuring optimal combustion.
- Reducing exhaust emissions – Lambda sensors support the operation of the catalytic converter, helping to reduce the emission of harmful substances.
- Monitoring catalytic converter performance – Lambda sensors placed after the catalytic converter monitor its efficiency, reporting any potential faults. In practice, lambda sensors are divided into narrowband sensors (voltage changes in the range of 0.1–0.9 V) and wideband sensors (providing detailed data over a wider measurement range). Wideband O2 sensors are used in newer Audi and BMW models, among others, as they allow for more precise control of the fuel dose. These differences are important when matching parts – using the wrong sensor can result in engine performance errors.
Construction and purpose of lambda sensors and O2 sensors
Lambda sensors and O2 sensors are sensors mounted in the exhaust system, most often before and after the catalytic converter. Their task is to read the oxygen content in the exhaust gases and transmit a signal to the engine control unit. A typical component consists of a measuring part, a threaded body, a cable, and an electrical connector. Depending on the car version, the number of wires, plug type, and signal characteristics vary.
Comparison of lambda sensor and O2 sensor types
| Sensor type | Typical number of wires | Operating position | What to check before purchase |
|---|---|---|---|
| Narrowband | 1–4 | Mainly older petrol systems | OEM number, plug type, cable length, position before or after the catalytic converter |
| Wideband | 5–6 | Newer petrol engines and some diesels | Signal type, ECU compatibility, OEM part number, and interchangeable numbers |
| Diagnostic sensor after catalytic converter | Depends on version | Section after the catalytic converter | Mounting location, connector type, compatibility with exhaust system and engine version |
Why is it worth taking care of lambda sensors and O2 sensors?
Damage or wear of lambda sensors and O2 sensors can lead to problems with engine efficiency and exhaust emissions. Typical symptoms of failure include:
- Power loss and rough engine operation – A faulty lambda sensor can cause incorrect adjustment of the air-fuel mixture.
- Increased fuel consumption – Improper lambda sensor operation can lead to a richer fuel mixture, increasing fuel consumption.
- Higher exhaust emissions – Faulty lambda sensors can disrupt the operation of the catalytic converter, causing an increase in harmful emissions.
- Dashboard errors – Problems with lambda sensors are often signaled by the "check engine" light. The typical lifespan of lambda sensors is between 80,000 and 160,000 km, depending on the manufacturer and operating conditions. O2 sensors are exposed to high temperatures (up to 900°C) and contact with fuel residues, which is why replacing them at the right time is important for both ecology and driving economy. Correctly matching the sensor by VIN or model specification guarantees compatibility with the given car's exhaust system. At Global Parts, we offer used car parts, including used lambda sensors and O2 sensors that have undergone detailed quality tests.
The importance of the sensor signal for engine and exhaust system operation
The lambda sensor signal is used for real-time correction of the air-fuel mixture composition. When the reading is incorrect, the control unit may supply a mixture that is too rich or too lean, which affects engine smoothness, fuel consumption, and the effectiveness of exhaust purification. The O2 sensor works not only with the ECU but also with components such as catalytic converters or EGR valves and parts. Therefore, during diagnostics, it is worth looking at the entire system, not just a single error code stored in the control unit's memory.
How to choose the right lambda sensors and O2 sensors?
When choosing lambda sensors and O2 sensors, pay attention to several key aspects:
- Compatibility with the vehicle model – Every exhaust system has its specific technical requirements. In the Global Parts automotive store, you will find lambda sensors and O2 sensors perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.
- Type of lambda sensor – Ensure that the selected sensor matches your system (one-, two-, three-, or four-wire).
- Technical condition – Used lambda sensors and sensors should be free from mechanical and electrical damage, and their cables should be in good condition.
Selection by OEM number, connector, and mounting location
Selecting a lambda sensor involves comparing the OEM part number, fuel type, number of pins, and mounting location in the vehicle. The same make and model may have different sensor versions depending on the engine, year, emission standard, and whether the component operates before or after the catalytic converter. For parts such as a BMW E87 116i lambda sensor, it is worth comparing the manufacturer's marking, cable length, and plug version. When choosing a component like a BMW E60 530d lambda sensor, compatibility with the diesel system and the mounting position relative to diesel particulate filters is also important if the specific car version is equipped with one.
Cooperating elements and installation practice
The lambda sensor socket is a threaded point in the exhaust system where the sensor responsible for oxygen measurement is screwed in. During installation, it is necessary to check the condition of the thread, cable routing, distance from hot components, and connector compatibility with the car's wiring harness. If you are looking for a component such as an Audi A4 B8 temperature sensor, you should also compare the connector, seating location, and OEM number, as similar matching principles apply to several cooperating sensors in the exhaust system electronics. Diagnostic support can be found in our guide Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, which discusses selection by VIN and equipment compatibility.
Why choose used lambda sensors and O2 sensors?
Used car parts, such as lambda sensors and O2 sensors, are a practical solution that allows for savings while maintaining high quality. By choosing used lambda sensors and O2 sensors, you gain:
- Lower costs – Used components are significantly cheaper than new ones but offer equally high quality.
- Ecology – Recycling car parts supports environmental protection and reduces waste.
- Wide selection – In our store, you will find lambda sensors and O2 sensors for the most popular car brands. It is worth noting that many O2 sensors in the Global Parts offer come from premium brand cars, where original parts are known for their high durability. This allows customers to count on excellent fitment for their model and full compliance with factory parameters. This makes purchasing such components an economical and technically safe solution.
How to take care of lambda sensors and O2 sensors?
To ensure lambda sensors and O2 sensors work reliably for a long time, it is worth following a few rules:
- Regularly check the condition of lambda sensors during exhaust system diagnostics, especially if the "check engine" light appears.
- Use high-quality fuel to reduce the amount of deposits and contaminants in the exhaust system.
- Replace lambda sensors according to the manufacturer's recommendations or in case of visible signs of failure.
- If replacement is necessary, at Global Parts you will find suitable used parts for the exhaust system.
FAQ
| Question | Answer |
|---|---|
| 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. |
Summary: lambda sensors and O2 sensors at the Global Parts automotive store
Lambda sensors and O2 sensors are key exhaust system components that ensure optimal fuel combustion and control exhaust emissions. The Global Parts offer includes used components matched to many engine versions and many car models from brands such as Mercedes, Audi, BMW, and others. When choosing, it is worth comparing the OEM number, fuel type, mounting location, and compatibility with exhaust system equipment to select the right part for the specific vehicle configuration. We invite you to contact us – we are here to help! For more information and interesting facts, we also invite you to visit our automotive blog.