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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-15%
Part no. 059906051C
VW Audi Skoda Exhaust Pressure Sensor DPF Particulate Filter Sensor 059906051C
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

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Part no. 03L906262Q
Audi Q3 8U 2.0 TDI CUWA Lambda Sensor 03L906262Q
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£23.95
£20.36
Free delivery: Jul 21
If paid before 14:00

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Part no. 04L906262A
Audi A3 8V Lambda Oxygen NOX Sensor 04L906262A
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£13.95
£13.25
Free delivery: Jul 21
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Part no. 8V0906262D
VW Golf Mk7 Audi A3 8V S1 8X Oxygen Sensor Lambda Probe 2.0 Petrol 8V0906262D
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£13.95
£13.25
Free delivery: Jul 21
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Part no. 03L906262B
Audi Q3 SE TDI Exhaust Lambda Probe Oxygen Sensor 03L906262B
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£18.95
£16.11
Free delivery: Jul 21
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Part no. 06K906262AT
Audi A3 8V S3 2.0 TFSI DJHA Exhaust Lambda Oxygen Sensor 06K906262AT
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£18.95
£16.11
Free delivery: Jul 21
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Part no. 06D906265
Audi A4 B7 2.0 TFSI Petrol Exhaust Oxygen Lambda Probe Sensor 06D906265
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£13.95
£13.25
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Part no. 6Q0820539
Audi A4 B8 Air Conditioning Heater A/C Temperature Sensor Unit 6Q0820539
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£13.95
£13.25
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Part no. 07L906265F
Audi A5 S5 8T A6 C6 A3 8P Sonde Lambda Oxygen Sensor 07L906265F
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£13.95
£13.25
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Part no. 8K0907807J
Audi A5 8T 2.0 TDI CNHA Oxygen NOX Sensor Module Control Unit 8K0907807J
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£66.95
£56.91
Free delivery: Jul 21
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Part no. 06J906262AA
Lambda Probe Audi Volkswagen Seat Skoda 2.0 TFSI Pre Catalyst 6 Pin 06J906262AA
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£18.95
£16.11
Free delivery: Jul 21
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Part no. 06J906262K
Lambda Probe Audi Volkswagen Seat 2.0 Petrol Oxygen Sensor 4 PIN 06J906262K
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£18.95
£16.11
Free delivery: Jul 21
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Part no. 06E906265R
Audi S5 8T 3.0 Petrol Exhaust Lambda Probe Oxygen Sensor 06E906265R
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£23.95
£14.37
Free delivery: Jul 21
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Part no. 8R0906262
Audi A5 8T 2.0 TDI Lambda Sensor Oxygen Sensor 8R0906262
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£13.95
£13.25
Free delivery: Jul 21
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Part no. 04L906088DB
Audi Q3 8U A3 8V Exhaust Gas Temperature Sensor Wiring 04L906088DB
£18.95
Free delivery: Jul 21
If paid before 14:00

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Part no. 059906262F
Audi A6 C6 Lambda Oxygen Exhaust Sensor Probe Cable Diesel 059906262F
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 03L906088DR
Audi A4 B8 A5 8T Diesel Exhaust Gas Temperature Sensor After DPF 03L906088DR
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£32.95
£19.77
Free delivery: Jul 21
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Part no. 4G0906088R
Audi Q5 8R 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088R
£13.95
Free delivery: Jul 21
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Part no. 8K0906088A
EGT Sensor Audi A7 4G8 A6 C7 3.0 TDI CDUC Exhaust Temperature Sensor 8K0906088A
£18.95
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 07L906265
Audi S5 8T 4.2 FSI CAUA Petrol Exhaust Oxygen Lambda Probe Sensor 07L906265
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 07L906262
Oxygen Sensor Audi A4 B8 S5 8T Exhaust Lambda Probe Unit 07L906262
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£13.95
£13.25
Free delivery: Jul 21
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Part no. 06K906262
Audi Q3 Exhaust Lambda NOx Oxygen Sensor 2.0 TFSI CULB Petrol 06K906262
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 04L906088BD
Volkswagen VW Golf Mk7 Exhaust Gas Temperature Sensor 1.6 TDI 04L906088BD
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 06J906262
Audi TT 8J Petrol Lambda Probe Oxygen Sensor 06J906262
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

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Part no. 03G906262A
Audi A3 8P 1.9 TDI Lambda Oxygen Exhaust Sensor Probe Cable Diesel 03G906262A
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 059906051G
Audi A4 B9 A7 4G A8 D5 DPF Exhaust Pressure Sensor Unit 059906051G
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 4M0906088AB
Audi A4 B9 A7 4G Q7 4M Diesel Exhaust Control Gas Temperature Sensor 4M0906088AB
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 8V0963553B
Audi A3 8V Seat Pressure Sensor Unit Front Left N/S 8V0963553B
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£28.95
£17.37
Free delivery: Jul 21
If paid before 14:00

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Part no. 07L906262K
Audi S5 8T Exhaust Lambda Probe Oxygen Sensor Wiring Unit 4.2 V8 CAUA 07L906262K
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£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 4G0907807AB
Audi A7 4G8 3.0 TDI Nox Lambda Oxygen Sensor 4G0907807AB
Promo price
£94.95
£80.71
Free delivery: Jul 22 – 29
If paid before 14:00

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Part no. 06E906265C
Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265C
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 04E906262BA
Audi A1 8X VW Polo 6R 1.4 TSI Petrol Lambda Oxygen Sensor 04E906262BA
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 8W0907807T
Audi A4 B9 A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI Diesel 8W0907807T
Promo price
£142.95
£121.51
Free delivery: Jul 22 – 29
If paid before 14:00

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Part no. 06F906262AJ
Audi A3 8P 1.6 Petrol Lambda Oxygen Exhaust Sensor Cable 06F906262H 06F906262AJ
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

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Part no. 07C906262BH
Audi A3 8P 1.4 TSI Lambda Sensor Oxygen Sensor Lambda Probe 07C906262BH
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 059906262Q
Audi A8 4H 3.0 TDI Diesel Line Lambda Probe Oxygen Sensor 059906262Q
Promo price
£32.95
£19.77
Free delivery: Jul 21
If paid before 14:00

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Part no. 06E906265AA
Audi A6 C7 A7 4G Exhaust Lambda Probe Oxygen Sensor 2.8 TFSI CHVA 06E906265AA
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

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Part no. 06K906262AC
Audi A1 8X 1.4 TFSI Exhaust Lambda Oxygen Sensor Probe 06K906262AC
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

Part no. 8K0906262
Audi A4 B8 1.8 TFSI Exhaust Lambda Oxygen Sensor Probe 8K0906262
£23.95
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 04E906262BJ
Lambda Oxygen Sensor Audi A1 8X VW Polo 6R 1.2 Petrol Exhaust Sensor 04E906262DC
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 06F906265
Audi S5 8T Exhaust Lambda Probe Oxygen Sensor 06F906265
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 8W0906265S
Lambda Sensor Audi A4 B9 A5 F5 45 TFSI Oxygen Sensor Lambda Probe 8W0906265S
Promo price
£37.95
£22.77
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 06E906265Q
Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265Q
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 04L906088BS
Audi Q3 8U 2.0 TDI Exhaust Gas Temperature Sensor After DPF 04L906088BS
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 057906051H
Audi RS3 8V DPF Differential Pressure Control Sensor 057906051H
Promo price
£85.95
£51.57
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 06Q131552E
Audi S3 8Y Exhaust Control Line Differential Pressure Sensor 2.0 TFSI 06Q131552F
Promo price
£94.95
£56.97
Free delivery: Jul 22 – 29
If paid before 14:00

Part no. 04L907805L-1
Audi Q3 8U 2.0 TDI CUWA Exhaust NOX Lambda Oxygen Sensor 04L907805L
£51.95
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 06E906265AE
Audi A4 B8 A5 8T Exhaust Lambda Probe Oxygen Sensor 3.0 TFSI 06E906265AE
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 8W0906265AC
Audi A5 F5 Q5 FY Lambda Probe Oxygen Monitor Sensor 8W0906265AC
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 03L906088N
Audi A3 8P 2.0 TDI Diesel Engine Exhaust Gas Temperature Sensor 03L906088N
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 05L907807AF
Audi Q3 F3 Oxygen NOX Sensor Module Control Unit 2.0 TDI 05L907807AF
Promo price
£113.95
£68.37
Free delivery: Jul 22 – 29
If paid before 14:00

Part no. 4M0907807BB
Audi Q7 4M Lambda Sensor NOx Oxygen Sensor Lambda Probe 3.0 TDI 4M0907807BB
£75.95
Free delivery: Jul 21
If paid before 14:00

Part no. 4M0907807BC
Audi Q7 4M Q8 Mk1 VW Touareg Mk3 NOX Lambda Oxygen Sensor 4M0907807BC
£146.95
Free delivery: Jul 22 – 29
If paid before 14:00

Part no. 05L906088CE
Audi A5 F5 A4 B9 Q5 FY Diesel Exhaust Gas Temperature Sensor 05L906088CE
£37.95
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 4M0906262
Audi A7 4G 3.0 TDI Diesel Lambda Sensor Oxygen Sensor Lambda Probe 4M0906262
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 8W0907807S
Audi A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI DEZE 8W0907807S
Promo price
£32.95
£19.77
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 03G906262
Audi A3 8P Lambda Oxygen Exhaust Sensor Probe Cable TDI Diesel 03G906262
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 1K0998262
Audi S4 B7 Lambda Probe Oxygen Monitor Sensor 1K0998262
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

Part no. 8W0907807AL
Audi A5 F5 A4 B9 Diesel NOX Lambda Oxygen Sensor 8W0907807AL
£113.95
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 04E906262AB
Audi Volkswagen Seat Skoda Exhaust Lambda Probe Oxygen Sensor 04E906262AB
Promo price
£28.95
£17.37
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 4M0131552AL
Audi Q7 4M Exhaust Pressure Sensor DPF Particulate Filter Sensor 4M0131552AL
Promo price
£94.95
£56.97
Free delivery: Jul 21
If paid before 14:00

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Part no. 80A906262
Audi Q5 FY 8R Exhaust Lambda Probe Oxygen Sensor 80A906262
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 4M0906262K
Audi Q7 4L Lambda Sensor Oxygen Sensor Lambda Probe 4M0906262K
Promo price
£56.95
£34.17
Free delivery: Jul 21
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: Jul 21
If paid before 14:00

Part no. 06K906262AE
Audi A1 8X 1.8 TFSI DAJB Petrol Exhaust Lambda Oxygen Sensor Probe 06K906262AE
£18.95
Free delivery: Jul 21
If paid before 14:00

Part no. 4M0907807BD
Audi Q7 4M Lambda Sensor NOx Oxygen Sensor Lambda Probe 3.0 TDI 4M0907807BD
£113.95
Free delivery: Jul 22 – 29
If paid before 14:00

-40%
Part no. 04E906262EB
Audi A1 8X 1.2 1.4 TSI VW Golf 7 Petrol Exhaust Lambda Oxygen Sensor 04E906262EB
Promo price
£28.95
£17.37
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 80A907807AG
Audi Q5 FY NOx Sensor Rear Lambda Probe Sensor Exhaust Temperature 80A907807AG
Promo price
£113.95
£68.37
Free delivery: Jul 22 – 29
If paid before 14:00

-15%
Part no. 070906262B
Audi A4 B8 3.0 TDI Lambda Probe Oxygen Sensor 070906262B
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 059906088Q
Audi A4 B8 3.0 TDI Diesel Exhaust Gas Temperature Sensor 059906088Q
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 059906088CN
Audi A4 B9 A6 C7 A7 4G Exhaust Gas Temperature Sensor 3.0 TDI Diesel 059906088CN
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 05L907807M
Audi Q2 GA Lambda Sensor Oxygen Sensor Lambda Probe 05L907807M
Promo price
£142.95
£85.77
Free delivery: Jul 22 – 29
If paid before 14:00

Part no. 4H0906262C
Audi A8 D4 Lambda Probe Oxygen Sensor Cylinder 5-8 4.2 TDI CDSB 4H0906262C
£51.95
Free delivery: Jul 21
If paid before 14:00

Part no. 4H0906262D
Audi A8 D4 Lambda Probe Oxygen Sensor Cylinder 1-4 4.2 TDI CDSB 4H0906262D
£51.95
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 06E906265S
Audi A4 S4 8H 8E A5 S5 8T A6 S6 4F Q5 8R Lambda Sensor Oxygen Probe 06E906265S
Promo price
£23.95
£20.36
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 05L907807H
Audi Q2 GA 2.0 TDI Exhaust NOX Lambda Oxygen Sensor 05L907807H
Promo price
£42.95
£25.77
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 4G0907807AN
Audi A6 Allroad A7 4G8 NOX Lambda Sensor Probe Oxygen Sensor 4G0907807AN
Promo price
£237.95
£142.77
Free delivery: Jul 22 – 29
If paid before 14:00

-40%
Part no. 80A907807B
Lambda Sensor Audi A4 B9 Q5 8R 2.0 TDI Exhaust Probe Oxygen NOX 80A907807B
Promo price
£42.95
£25.77
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 04L906088DR
Audi A5 8T Exhaust Gas Temperature Sensor 04L906088DR
Promo price
£37.95
£22.77
Free delivery: Jul 21
If paid before 14:00

Part no. 06K906262Q
Volkswagen Golf VII Audi TT FV 2.0 TFSI Lambda Probe Oxygen Sensor 06K906262Q
£13.95
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 021906262C
Volkswagen Seat Audi Oxygen Sensor Lambda Probe 021906262C 0258006161
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

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Part no. 021906262B
Volkswagen Seat Audi Oxygen Sensor Lambda Probe 021906262B 0258007057
Promo price
£23.95
£14.37
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 04L906088EA
Audi Q3 8U 2.0 TDI CUWA Exhaust Gas Temperature Sensor 04L906088EA
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

Part no. 079906262Q
Audi A6 S6 4G RS4 B8 Lambda Oxygen Sensor Probe 4.2 FSI 079906262Q
£13.95
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 059906262M
Audi Q7 4L Volkswagen Touareg Lambda Oxygen Sensor Probe Cable Diesel 059906262M
Promo price
£80.95
£48.57
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 4G0906088N
Audi A7 4G Exhaust Gas Temperature Sensor Sonda Lambda 4G0906088N
Promo price
£37.95
£22.77
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 06H906262A
Audi A5 8T Engine Exhaust Oxygen Lambda Sensor Catalytic 06H906262A
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 057906051H-1
Audi RS3 8V 2.5TFSI Exhaust Control Line Differential Pressure Sensor 057906051H
Promo price
£151.95
£91.17
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 057906262E
Audi Q7 4L 4.2 TDI Lambda Sensor Oxygen Sensor Lambda Probe 057906262E
Promo price
£28.95
£17.37
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 057906262F
Audi Q7 4L 4.2 TDI Lambda Sensor Oxygen Sensor Lambda Probe 057906262F
Promo price
£18.95
£16.11
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 03C906262T
Audi A3 8P VW Golf Mk6 1.4 TSI CAXC Petrol Engine Lambda Sensor 03C906262T
Promo price
£37.95
£22.77
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 04L906088AD
Temperature Sensor Volkswagen Golf MK7 Audi A3 8V Exhaust Gas 04L906088AD
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 8W0906265
Lambda Oxygen Sensor Audi A4 B9 2.0 TDI DETA Diesel Exhaust Probe 8W0906265
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 4G0906088AG
Audi Q5 8R Exhaust Gas Temperature Sensor Sonda Lambda 4G0906088AG
Promo price
£75.95
£45.57
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 4M0906088AA
Audi A4 B9 A5 S5 A7 4G8 Q7 4M Exhaust Gas Temperature Sensor Diesel 4M0906088AA
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-5%
Part no. 4G0906088J
Audi A6 C7 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088J
Promo price
£13.95
£13.25
Free delivery: Jul 21
If paid before 14:00

-40%
Part no. 05L906088BM
Audi A4 B9 A5 F5 Exhaust Gas Temperature Sensor 2.0 TDI Diesel 05L906088BM
Promo price
£70.95
£42.57
Free delivery: Jul 21
If paid before 14:00

Part no. 03G906262F
Audi A6 C6 VW Volkswagen Caddy Lambda Oxygen Probe Exhaust Sensor 03G906262F
£18.95
Free delivery: Jul 21
If paid before 14:00

-15%
Part no. 04L906088DM
Volkswagen VW Jetta Mk6 Exhaust Gas Temperature Sensor Wiring 04L906088DM
Promo price
£18.95
£16.11
Free delivery: Jul 21
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.