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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Part no. 059906051C
VW Audi Skoda Exhaust Pressure Sensor DPF Particulate Filter Sensor 059906051C
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. A0065421718
Lambda Sensor Mercedes W447 Diesel OM651 Catalytic Converter Probe A0065421718
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€28.95
€24.61
Free delivery: Aug 14 – 19
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-15%
Part no. A0045427318
Lambda Sensor Mercedes W164 W204 W211 Diesel CDI Oxygen Probe A0045427318
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€28.95
€24.61
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Part no. 7548961-1
Exhaust Oxygen Sensor Mini Cooper R55 R56 R57 R58 Lambda Probe 7548961
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€23.95
€22.75
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Part no. A0035427018
Lambda Probe Mercedes ML GL Class W164 W169 Oxygen Sensor A0035427018
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€23.95
€22.75
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Part no. 7576673
BMW F10 F12 Mini Cooper S R56 LCI N18 Exhaust Lambda Sensor Probe 7576673
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€23.95
€22.75
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Part no. A0009053009-1
Mercedes Sprinter W907 W910 OM651 NOX Sensor Lambda Oxygen Probe A0009053009
€51.95
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Part no. 7569968
Lambda Probe Sensor BMW E87 LCI E65 E66 E81 E82 E88 E90 E91 Petrol 7569968
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€23.95
€22.75
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Part no. 7587130
Lambda Oxygen Sensor BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 NOx 7587130
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€113.95
€96.86
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Part no. 7547313
BMW 1 3 Series E87 E90 E91 Lambda Monitor Sensor Petrol N46 120i 320i 7547313
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€23.95
€22.75
Free delivery: Aug 14 – 19
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Part no. 03L906262B
Audi Q3 SE TDI Exhaust Lambda Probe Oxygen Sensor 03L906262B
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€23.95
€22.75
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Part no. A0035426918
Mercedes W164 W169 W203 W204 W211 Lambda Oxygen Sensor Probe A0035426918
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€23.95
€22.75
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Part no. A6519050300
Pressure Sensor Mercedes W177 W247 Diesel OM654 Exhaust Gas DPF A6519050300
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€32.95
€28.01
Free delivery: Aug 14 – 19
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Part no. 7793825
BMW F10 F20 F30 E90 LCI Oxygen Sensor Exhaust Lambda Petrol 7793825
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€23.95
€22.75
Free delivery: Aug 14 – 19
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Part no. 07L906262
Oxygen Sensor Audi A4 B8 S5 8T Exhaust Lambda Probe Unit 07L906262
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€23.95
€22.75
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Part no. 8570230
BMW 1 3 Series F20 F21 F30 E31 LCI Oxygen Sensor Exhaust Lambda 8570230
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€23.95
€22.75
Free delivery: Aug 14 – 19
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Part no. A0009056404
Mercedes W212 OM651 Diesel Exhaust Gas Temperature Sensor A0009056404
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€23.95
€22.75
Free delivery: Aug 14 – 19
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Part no. A0009050608
Mercedes W205 X253 W447 W906 Lambda Oxygen Nox Sensor A0009050608
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€99.95
€59.97
Free delivery: Aug 14 – 19
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Part no. 8V0963553B
Audi A3 8V Seat Pressure Sensor Unit Front Left N/S 8V0963553B
Promo price
€32.95
€28.01
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7789219
BMW X5 E53 E60 E70 E87 E90 E91 Pressure Sensor Exhaust Sensor Unit 7789219
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€23.95
€22.75
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Part no. 0281004221
Mercedes W205 Renault Lambda Probe Oxygen Sensor Bosch 0281004221
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€32.95
€28.01
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Part no. 8514019
BMW F20 F21 F30 F31 LCI B47 Diesel Exhaust Gas Pressure Sensor 8514019
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€42.95
€25.77
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Part no. 7512985
BMW E87 E90 E91 120i 320i N46 Sensor Lambda Probe Grey Petrol 7512985
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A0009050132
Exhaust Temperature Sensor Mercedes Sprinter W906 OM646 Diesel A0009050132
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€32.95
€28.01
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A0009053706
NOX Sensor Mercedes W164 W218 OM642 Lambda Oxygen Probe A0009053706
Promo price
€66.95
€40.17
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7791600
BMW E60 E63 E87 E90 Lambda Probe Exhaust Oxygen Sensor 7791600
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8582023
BMW F20 F21 F22 F30 E31 LCI Diesel Exhaust Sensor PM 8582023
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€70.95
€60.31
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A6429050200
Mercedes W212 W218 W906 OM651 Diesel Exhaust Pressure Sensor DPF A6429050200
Promo price
€32.95
€28.01
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8570229
Mini F54 F55 F56 F60 Diesel B37 Oxygen Sensor Exhaust L=850 Lambda 8570229
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€23.95
€22.75
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Part no. 059906262J
Volkswagen Touareg 3.0 TDI Diesel Line Lambda Probe Oxygen Sensor 059906262J
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 872674
Oxygen Sensor Mini Cooper One R50 R52 R53 Exhaust Lambda 0872674
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8595135
Lambda Sensor BMW F40 F48 Diesel Exhaust Oxygen Sensor Cable Probe 8595135
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8589814
BMW E20 F21 F22 F30 LCI Exhaust Temperature Sensor 8589814
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 03L906088BJ
Audi Volkswagen Seat Skoda Exhaust Gas Temperature Sensor 03L906088BJ
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7804369
Exhaust Lambda Probe BMW E60N E61N E81 E81 E87 E90 E91 N47 Oxygen Sensor 7804369
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7544655
BMW E60 E60N E61 E61N E64N LCI E65 Lambda Monitor Sensor L= 380MM 7544655
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A0009056503
Mercedes W213 OM654 Diesel Exhaust Pressure Sensor DPF A0009056503
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 06E906265Q
Audi A4 S4 B8 A5 S5 8T 3.2 FSI Exhaust Lambda Oxygen Sensor 06E906265Q
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 7530282
BMW E87 E90 E91 120i 320i N46 Sensor Lambda Probe Black 7530282
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7548961
Mini Cooper R55 R56 R57 R58 Exhaust Lambda Monitor Probe 7548961
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A0081532228
Temperature Sensor Mercedes W204 W212 W906 Gas Exhaust Catalyst A0081532228
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 06K906262AT
Audi A3 8V S3 2.0 TFSI DJHA Exhaust Lambda Oxygen Sensor 06K906262AT
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. A0035427118
Mercedes W203 C209 Lambda Oxygen Sensor Probe A0035427118
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 06F906262AC
Volkswagen Golf 1K Exhaust Lambda Sensor 06F906262AC
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 4N4908265L
Audi A6 C8 3.0 TFSI Oxygen Lambda Sensor 06M906265
Promo price
€56.95
€48.41
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 06J906262K
Lambda Probe Audi Volkswagen Seat 2.0 Petrol Oxygen Sensor 4 PIN 06J906262K
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8595102
DPF Sensor BMW G20 G30 G12 B57 Diesel Particle Filter Oxygen Probe L=460 8595102
Promo price
€32.95
€28.01
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7558073
BMW E60 E87 E90 Exhaust Lambda Probe Pre Cat Bank 2 B2 S1 7558073
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-40%
Part no. A0009054814
Mercedes W907 OM654 Diesel NOX Lambda Sensor A0009054814
Promo price
€75.95
€45.57
Free delivery: Aug 14 – 19
If paid before 14:00

-40%
Part no. GB3G-9Y460-AA
Ford Ranger Wildtrak Mk6 Lambda Oxygen Sensor GB3G-9Y460-AA
Promo price
€56.95
€34.17
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 04L906262A
Audi A3 8V Lambda Oxygen NOX Sensor 04L906262A
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€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. L8B2-5H310-AC
Range Rover Evoque L551 Lambda Oxygen Sensor L8B2-5H310-AC
€123.95
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7537995
BMW 1 Series E87 Sonda Monitor Lambda Sensor Probe L=270MM 7537995
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 8573895
BMW F20 F21 LCI Diesel B37 Exhaust Heat Temperature Sensor Probe 8573895
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 04L907805DG
Volkswagen Golf VII Exhaust NOX Lambda Oxygen Sensor 04L907805DG
Promo price
€37.95
€32.26
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 8507790
BMW F30 F32 LCI 335dX 435dX N57Z Exhaust DPF Filter Backpressure Line Pipe
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€23.95
€22.75
Free delivery: Aug 14 – 19
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-15%
Part no. A0051531028
Mercedes W211 W906 Diesel Exhaust Gas Temperature Sensor A0051531028
Promo price
€32.95
€28.01
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. MX73-5J299-CB
Range Rover Evoque L551 Rear NOx Sensor Trap Temp Sensor 2.0 MX73-5J299-CB
€42.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 8W0906265C
Audi S5 F5 NOX Sensor Lambda Oxygen Probe 2.9 TFSI Left N/S 8W0906265C
€37.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 06E906262C
Porsche Cayenne S 92A Lambda Oxygen Sensor 3.0 TFSI 06E906262C
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 076906051B
VW Volkswagen Passat B7 Golf 6 DPF Differential Pressure Sensor 076906051B
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 8574964
Mini R60 R61 Exhaust Gas Pressure Sensor Pipe Diesel Particulate Filter 8574964
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 8W0907807S
Audi A5 F5 Exhaust Temperature NOX Sensor 2.0 TDI DEZE 8W0907807S
Promo price
€47.95
€40.76
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 06J906262AA
Lambda Probe Audi Volkswagen Seat Skoda 2.0 TFSI Pre Catalyst 6 Pin 06J906262AA
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 8W0906265K
Audi S4 B9 3.0 TFSI Quattro Lambda Sensor Oxygen Probe 8W0906265K
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. A0005422404
Lambda Sensor Mercedes C118 W177 W247 M260 Oxygen Probe A0005422404
Promo price
€56.95
€48.41
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 06K906262Q
Volkswagen Golf VII Audi TT FV 2.0 TFSI Lambda Probe Oxygen Sensor 06K906262Q
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. A0005424404
Lambda Sensor Mercedes C118 W177 W247 M282 Oxygen Probe A0005424404
Promo price
€28.95
€24.61
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If paid before 14:00

-5%
Part no. 5Q0907543
Volkswagen Golf 8 Interior Vent Air Temperature Sensor 5Q0907543
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 8W0906265L
Audi S5 F5 NOX Sensor Lambda Oxygen Probe 2.9 TFSI Left N/S 8W0906265L
€51.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 05C906262D
Seat Ibiza Mk5 V Audi A1 GB Lambda Oxygen Sensor Petrol Engine 05C906262D
€28.95
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. A0075425118
Mercedes W211 W204 S204 Lambda Sensor Front Of Catalytic Converter A0075425118
Promo price
€28.95
€24.61
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 06K906262AC
Audi A1 8X 1.4 TFSI Exhaust Lambda Oxygen Sensor Probe 06K906262AC
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 07L906262S
Audi A4 B8 A5 8T Lambda Probe Oxygen Monitor Sensor 07L906262S
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 04L907805DD
VW Volkswagen Caddy Maxi 2k NOx Lambda Sensor 2.0 TDI Diesel 04L907805DD
€203.95
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 6G9N-5L200-AA-1
Ford Fiesta Mk7 Exhaust Pressure DPF Sensor Exhaust Hoses 6G9N-5L200-AA
Promo price
€28.95
€24.61
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7544654
Lambda Sensor BMW E60 E61 523i 525i Monitor Sensor L= 430MM PETROL N52 7544654
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 227701177R
Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227701177R
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 8570589
BMW 1 X1 Series F20 F21 LCI F48 Holder Bracket Lambda Probe 8570589
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
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-15%
Part no. 7848486
BMW 3 4 Series F80 M3 F82 M4 Lambda Monitor Sensor L=690MM 7848486
Promo price
€56.95
€48.41
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 05E906051P
Seat Ibiza Mk5 VW Golf Mk8 Exhaust DPF Pressure Sensor 05E906051P
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 8H42-12B591-BA
Land Rover L319 L320 Exhaust Gas Temperature Sensor Right O/S 8H42-12B591-BA
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. FPLA-9D375-AA
Range Rover Evoque L538 Oxygen Sensor Lambda Probe FPLA-9D375-AA
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 7P5907807B
Porsche Cayenne S 92a NOx Oxygen Lambda Sensor Unit 4.2 Diesel 7P5907807B
€279.95
Free delivery: Aug 14 – 19
If paid before 14:00

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Part no. 7589122
BMW Z4 F20 F21 F30 E89 Petrol Oxygen Sensor Exhaust Lambda 7589122
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 04L906088JP
VW Transporter T6 Crafter II Exhaust Gas Temperature Sensor Diesel 04L906088JP
Promo price
€37.95
€32.26
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 06E906265N
Audi A4 B7 Volkswagen Touareg Exhaust Oxygen Lambda Probe Sensor 06E906265N
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-40%
Part no. 04L906088EN
Volkswagen Transporter T6 2.0 TDI Oxygen Lambda Sensor Exhaust 04L906088EN
Promo price
€56.95
€34.17
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7539124
BMW 5 6 Series E60 E61 E64 E65 620MM Sensor Lambda Probe Grey Petrol 7539124
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7589121
BMW 1 3 Z4 Series F20 F21 F30 E89 Sensor Lambda Probe Petrol 7589121
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. A0009059414
Mercedes W118 W177 W247 Engine Exhaust Gas Temperature Sensor A0009059414
€66.95
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. A0045420718
Mercedes-Benz W169 W203 W204 W211 W212 Petrol Lambda Sensor Probe A0045420718
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 8659884
Mini Cooper F55 F56 F60 Regulating Lambda Probe Petrol Engine 8659884
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€23.95
€22.75
Free delivery: Aug 14 – 19
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-15%
Part no. A0005421700
Mercedes SLK R172 Lambda Sensor Oxygen Probe M276 Petrol A0005421700
Promo price
€56.95
€48.41
Free delivery: Aug 14 – 19
If paid before 14:00

-5%
Part no. 7539126
BMW 5 6 7 Series E60 E61 E64 E65 450MM Sensor Lambda Probe Grey Petrol 7539126
Promo price
€23.95
€22.75
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. A0095425818
Mercedes SLK R172 Lambda Sensor Oxygen Probe M177 AMG Petrol A0095425818
Promo price
€56.95
€48.41
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 06E906262E
Porsche Cayenne S 92A Lambda Oxygen Sensor 3.0 TFSI 06E906262E
€23.95
Free delivery: Aug 14 – 19
If paid before 14:00

Part no. 04L906088ES
Volkswagen Sharan Passat B8 Exhaust Gas Temperature Sensor 2.0 TDI 04L906088ES
€37.95
Free delivery: Aug 14 – 19
If paid before 14:00

-15%
Part no. 8V4112B591BA
Ford Transit Connect Exhaust Gas Temperature Sensor 8V4112B591BA
Promo price
€47.95
€40.76
Free delivery: Aug 14 – 19
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.