Exhaust systems and exhaust gas treatment
More informationAt Global Parts, we offer a wide selection of original used car parts, including exhaust systems and exhaust aftertreatment components for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each part we offer undergoes 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 30
If paid before 14:00

-15%
Part no. 03L906262Q
Audi Q3 8U 2.0 TDI CUWA Lambda Sensor 03L906262Q
Promo price
£23.95
£20.36
Free delivery: Jul 30
If paid before 14:00

Part no. 03L906262
Audi A4 B8 2.0 TDI Lambda Sensor Oxygen Sensor Lambda Probe 03L906262
£18.95
Free delivery: Jul 30
If paid before 14:00

Part no. 03L906088FH
Exhaust Gas Temperature Sensor Audi A4 B8 A5 8T Q5 8R Diesel Engine 03L906088FH
£13.95
Free delivery: Jul 30
If paid before 14:00

Part no. 8S0133246B
Audi RS3 8V Petrol Exhaust Flap Motor Actuator 8S0133246B
£56.95
Free delivery: Jul 30
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 30
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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
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Part no. 5Q0253692B
Audi A4 A5 A6 A7 A8 Q5 Q7 Q8 S3 8Y Exhaust Flap Actuator Motor 5Q0253692B
£42.95
Free delivery: Jul 30
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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 30
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Part no. 03L131512CD
Exhaust Cooler Audi A4 B8 A5 8F 2.0 TDI EGR Cooler Engine EGR Valve 03L131512CD
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£94.95
£80.71
Free delivery: Jul 30
If paid before 14:00

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Part no. 06D906265
Audi A4 B7 2.0 TFSI Petrol Exhaust Oxygen Lambda Probe Sensor 06D906265
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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Part no. 1K0201801E-1
Audi TT 8J Active Charcoal Fuel Filter Canister 1K0201801E
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£23.95
£20.36
Free delivery: Jul 30
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Part no. 1K0906283A
Audi A4 B8 2.0 TDI Diesel Vacuum Pressure Solenoid Valve 1K0906283A
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£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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Part no. 03L131521R-1
Audi A4 B8 2.0 TDI EGR Valve Cooler Pipe Hose Line 03L131521R
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£13.95
£13.25
Free delivery: Jul 30
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Part no. 04L131501M
Audi A3 8V EGR Valve Exhaust Recirculation Cooler Throttle 04L131501M
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£13.95
£13.25
Free delivery: Jul 30
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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
Free delivery: Jul 30
If paid before 14:00

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Part no. 3Q0253725A
Audi A5 F5 2.0 TDI DEZE DPF Catalyst Hose Line Exhaust Pipe Clamp 3Q0253725A
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£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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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
Free delivery: Jul 30
If paid before 14:00

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Part no. 1J0906283C
Audi Q7 4L 3.0 TDI BUG Diesel EGR Vacuum Solenoid Valve 1J0906283C
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£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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Part no. 8U0253825B
Audi Q3 8U Exhaust Muffer Pipe Tube Tips Set 8U0253825B
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£32.95
£19.77
Free delivery: Jul 30
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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 30
If paid before 14:00

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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 30
If paid before 14:00

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Part no. 06K129597C
Audi S1 8X A3 8V 2.0 Petrol Exhaust Manifold Heat Shield Cover 06K129597C
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£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

Part no. 03G131512AP
Audi A3 8P 2.0 TDI BMN EGR Gas Cooler Flue Recirculation 03G131512AE
£42.95
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 06J906262K
Lambda Probe Audi Volkswagen Seat 2.0 Petrol Oxygen Sensor 4 PIN 06J906262K
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

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Part no. 06E906265R
Audi S5 8T 3.0 Petrol Exhaust Lambda Probe Oxygen Sensor 06E906265R
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00

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Part no. 03L131521R
Audi A4 B8 A5 1.6 2.0 TDI EGR Valve Cooler Pipe Hose Line 03L131521R
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 059906262B
Audi Q7 4L Volkswagen Touareg Lambda Oxygen Sensor Probe Cable Diesel 059906262B
£13.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 8R0906262
Audi A5 8T 2.0 TDI Lambda Sensor Oxygen Sensor 8R0906262
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 04L906088EB
Audi Q3 8U 2.0 TDI DFUA Exhaust Gas Temperature Sensor Wiring 04L906088EB
£18.95
Free delivery: Jul 30
If paid before 14:00

Part no. 8W0253826L
Audi A4 B9 A5 S5 F5 Exhaust Muffler Ending Back Trim Tail Pipe Tip 8W0253826L
£37.95
Free delivery: Jul 30
If paid before 14:00

Part no. 8W0253825L
Audi A4 B9 A5 F5 Rear Bumper Exhaust Pipe Tip Rear Left N/S 8W0253825L
£37.95
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 04L131512D
Audi A3 8V Q3 8R EGR Valve Cooler 2.0 TDI 04L131512D
Promo price
£32.95
£19.77
Free delivery: Jul 30
If paid before 14:00

Part no. 4M0253099
Audi A4 B9 A5 F5 Exhaust Resonator Pipe Bracket Retainer Insulation 4M0253099
£13.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 1K0253141AA
Audi S3 8Y Exhaust System Pipe Clamp Muffler Retainer Connector 1K0253141AA
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 04L906088DB
Audi Q3 8U A3 8V Exhaust Gas Temperature Sensor Wiring 04L906088DB
£18.95
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 04L131512BQ
Audi A3 8V 30 TDI DGTE Exhaust EGR Cooler 04L131512BQ
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00

Part no. 03L131501G
Audi A4 B8 A5 8T EGR Valve Exhaust 2.0 TDI Diesel Engine 03L131501G
£18.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 059906262F
Audi A6 C6 Lambda Oxygen Exhaust Sensor Probe Cable Diesel 059906262F
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 03L906088DR
Audi A4 B8 A5 8T Diesel Exhaust Gas Temperature Sensor After DPF 03L906088DR
Promo price
£32.95
£19.77
Free delivery: Jul 30
If paid before 14:00

Part no. 04L907805L
Audi Q3 8U 2.0 TDI CUWA Exhaust NOX Lambda Oxygen Sensor 04L907805L
£70.95
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 06H906283J
Audi S3 8V VW Golf Mk7 2.0 TFSI Vacuum Line Solenoid Valve 06H906283J
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 06K906262AC
Audi A1 8X 1.4 TFSI Exhaust Lambda Oxygen Sensor Probe 06K906262AC
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 4G0906088R
Audi Q5 8R 2.0 TDI Diesel Engine Sensor Sonda Lambda Exhaust Probe 4G0906088R
£13.95
Free delivery: Jul 30
If paid before 14:00

Part no. 079253034AK
Audi S5 8T Quattro Petrol 4.2 FSI V8 Exhaust Manifold Cyl. 1-4 079253034AK
£13.95
Free delivery: Jul 30
If paid before 14:00

Part no. 8K0906088A
EGT Sensor Audi A7 4G8 A6 C7 3.0 TDI CDUC Exhaust Temperature Sensor 8K0906088A
£18.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 07L906265
Audi S5 8T 4.2 FSI CAUA Petrol Exhaust Oxygen Lambda Probe Sensor 07L906265
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 07L906262
Oxygen Sensor Audi A4 B8 S5 8T Exhaust Lambda Probe Unit 07L906262
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 5Q0253725G
Audi S3 8V 2.0 TFSI DNUE Petrol Engine Turbo DPF Exhaust Clamp 5Q0253725G
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

Part no. 03L131512DN
Audi A4 B8 2.0 TDI EGR Exhaust Valve EGR Cooler Assembly Unit 03L131512DN
£47.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 04L131455A
Audi Q3 8U 2.0 TDI Exhaust Gas Cooler Clamp To Patricular Filter DPF 04L131455A
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 06K906262
Audi Q3 Exhaust Lambda NOx Oxygen Sensor 2.0 TFSI CULB Petrol 06K906262
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 04L906088BD
Volkswagen VW Golf Mk7 Exhaust Gas Temperature Sensor 1.6 TDI 04L906088BD
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 06J906262
Audi TT 8J Petrol Lambda Probe Oxygen Sensor 06J906262
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 03G129969AC
Audi A4 B8 TDi Diesel Exhaust Manifold Turbo Heat Shield 03G129969AC
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-5%
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 30
If paid before 14:00

-5%
Part no. 1K0253141T
Audi VW Seat Skoda Exhaust System Clamp Pipe Bracket Mounting Holder 1K0253141T
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 059131508CP
Audi Q7 4M VW Touareg MK3 EGR Cooler Pipe Hose Line 3.0 TDI 059131508CP
£75.95
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 059906051G
Audi A4 B9 A7 4G A8 D5 DPF Exhaust Pressure Sensor Unit 059906051G
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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Part no. 04L129969J
Audi A4 B9 2.0 TDI Diesel Exhaust Turbo Heat Shield Plate Bracket 04L129969J
Promo price
£18.95
£16.11
Free delivery: Jul 30
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
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 8V0963553B
Audi A3 8V Seat Pressure Sensor Unit Front Left N/S 8V0963553B
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00

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Part no. 03L131159
Audi A4 B8 A5 8T 2.0 TDI Diesel Egr Cooler Mounting Bracket 03L131159
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 079253033AK
Audi S5 8T Quattro Exhaust Manifold Cyl. 5-8 Petrol 4.2 FSI V8 079253033AK
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 059129712BQ
Audi Q7 4L 3.0 TDI Diesel Intake Manifold Inlet Pipe Tube Right O/S 059129712BQ
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00

-5%
Part no. 07L906262K
Audi S5 8T Exhaust Lambda Probe Oxygen Sensor Wiring Unit 4.2 V8 CAUA 07L906262K
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

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Part no. 04L131501S
Audi A4 B9 2.0 TDI DETA Diesel EGR Valve Ventil 04L131501S
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

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Part no. 04L131501E
Audi A5 8T Engine EGR Valve Exhaust Valve Cooler 04L131501E
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

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Part no. 04L131501B
Audi A4 B9 2.0 TDI DETA EGR Exhaust Recirculation Gas Valve 04L131501B
Promo price
£42.95
£25.77
Free delivery: Jul 30
If paid before 14:00

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Part no. 06M133268P
Intake Manifold Audi A4 S4 B9 A5 F5 Petrol Inlet Pipe Tube Right O/S 06M133268P
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 5Q0253692A
Audi A4 B9 Valve Exhaust Flap Actuator Gas Valve 5Q0253692A
Promo price
£47.95
£40.76
Free delivery: Jul 30
If paid before 14:00

Part no. 8W0906265K
Audi S4 B9 3.0 TFSI Quattro Lambda Sensor Oxygen Probe 8W0906265K
£18.95
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 4G0907807AB
Audi A7 4G8 3.0 TDI Nox Lambda Oxygen Sensor 4G0907807AB
Promo price
£94.95
£80.71
Free delivery: Jul 31 – Aug 7
If paid before 14:00

-40%
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 30
If paid before 14:00

-40%
Part no. 05L131765Q
Audi Q5 FY A7 4G 3.0 TDI Diesel DPF Exhaust Pipe Hose 05L131765Q
Promo price
£170.95
£102.57
Free delivery: Jul 30
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 30
If paid before 14:00

-5%
Part no. 03L129969L
Audi A6 C7 2.0 TDI CGLC Diesel Exhaust Manifold Turbo Heat Shield 03L129969L
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 59001091162
Audi A6 C6 3.0 TDI Turbocharger Exhaust Manifold Elbow Connector 59001091162
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00

Part no. 04L906088DT
Audi Q3 8U Exhaust Gas Temperature Sensor Wiring 2.0 TDI DFTA 04L906088DT
£13.95
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 06K129598J
Audi A3 S3 8V 2.0 TFSI Exhaust Manifold Heat Shield Cover 06K129598J
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

-15%
Part no. 8V0071761
Audi A3 8V Rear Bumper Exhaust Tail Pipe Tip End Set 8V0071761
Promo price
£42.95
£36.51
Free delivery: Jul 30
If paid before 14:00

Part no. 06H906283E
Audi S1 8X S3 8V VW Golf Mk7 2.0 TFSI Vacuum Line Solenoid Valve 06H906283B
£18.95
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 03L131512C
Audi A3 S3 8P EGR Valve Engine Exhaust Cooler 03L131512C
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00

-40%
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 30
If paid before 14:00

-15%
Part no. 059253033AC
Audi A5 8T 3.0 TDI CCWA Diesel Exhaust Manifold Left N/S 059253033AC
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00

-5%
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 30
If paid before 14:00

-40%
Part no. 059253034AC
Audi A5 8T 3.0 TDI CCWA Diesel Exhaust Manifold 059253034AC
Promo price
£37.95
£22.77
Free delivery: Jul 30
If paid before 14:00

-40%
Part no. 079959253
Audi A4 B8 A5 8T A6 C6 FSI Petrol Auxiliary Secondary Air Pump 079959253
Promo price
£37.95
£22.77
Free delivery: Jul 30
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 30
If paid before 14:00

-5%
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 30
If paid before 14:00

-5%
Part no. 8E0407720A
Audi A4 B7 Heat Shield Front Right O/S Drive Shaft Panel Cover 8E0407720A
Promo price
£13.95
£13.25
Free delivery: Jul 30
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 30
If paid before 14:00

-5%
Part no. 5Q0253725C
Exhaust Clamp Audi Q3 8U Turbocharger Connector Bracket 5Q0253725C
Promo price
£13.95
£13.25
Free delivery: Jul 30
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 30
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 30
If paid before 14:00

-5%
Part no. 1K0253725
Audi Q3 8U 2.0 TDI DFTA Turbo DPF Mount Holder Cat Clamp Gasket 1K0253725
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00

Part no. 8S0133246A
Audi RS4 B9 RS5 F5 Petrol Exhaust Flap Motor Actuator Unit 8S0133246A
£113.95
Free delivery: Jul 30
If paid before 14:00

Part no. 4E0253147K
Audi A3 8V A8 D4 VW Golf Mk7 Skoda Octavia Mk3 Exhaust Mount Hanger 4E0253147K
£13.95
Free delivery: Jul 30
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 30
If paid before 14:00

Reliable parts for exhaust systems and emission filters – perfect fit for your car
Durable exhaust components – for maximum performance and durability
Exhaust systems and emission control systems are essential components of every modern vehicle. Their task is not only to reduce noise but, above all, to decrease the emission of harmful substances, making driving more eco-friendly and compliant with current standards. In the Global Parts automotive store, you will find a wide range of used car parts for exhaust and emission control systems for brands such as BMW, AUDI, Volkswagen, Mercedes, Mini, and others. The exhaust system in a typical passenger car operates at temperatures ranging from 200°C up to 800°C under high engine load. This is why these components must be made of corrosion-resistant and temperature-fluctuation-resistant materials, such as stainless steel or nickel alloys. A well-chosen exhaust system not only protects the environment but also increases combustion efficiency, which can translate into fuel savings of 5–7% compared to a faulty system.
How do exhaust and emission control systems work?
Exhaust systems are advanced systems consisting of many key components working together to effectively discharge exhaust gases and reduce their harmfulness. The most important elements are:
- Bypass valves – control exhaust gas flow, helping to optimize pressure in the exhaust system.
- EGR valves and parts – responsible for exhaust gas recirculation, which reduces nitrogen oxide emissions and improves fuel combustion.
- Secondary air pumps – support the combustion process by supplying additional oxygen to the exhaust system, reducing exhaust emissions.
- Catalytic converters – clean exhaust gases by neutralizing harmful substances such as nitrogen oxides or carbon monoxide.
- Exhaust systems and kits – comprehensive sets of exhaust system components ensuring optimal engine performance.
- Manifolds – responsible for discharging exhaust gases from the cylinders to the subsequent parts of the exhaust system.
- Exhaust pipes and tips – ensure efficient exhaust discharge and give the vehicle a specific visual character.
- Clamps, clips, flanges, and mounting parts – allow for solid mounting of the exhaust system.
- Silencers and resonators – reduce noise generated by the engine, improving driving comfort.
- Exhaust gaskets – ensure connection tightness and eliminate the risk of exhaust leaks.
- Lambda sensors and O2 sensors – monitor exhaust gas composition, optimizing the air-fuel mixture and improving combustion economy.
- Heat shields, connectors, and sleeves – protect exhaust system components from overheating and improve their durability.
- Solenoid valves – regulate gas flow in the exhaust system, improving its efficiency. Each of these components is crucial for engine performance, driving comfort, and environmental protection.
Construction and purpose of exhaust and emission control systems
Exhaust and emission control systems are a set of parts mounted from the exhaust manifold to the final section of the exhaust under the floor and at the rear of the car. This system is used to discharge exhaust gases, dampen noise, and limit the emission of harmful compounds. A typical system includes pipes, silencers, resonators, mounting elements, heat shields, and components responsible for emission control. In many designs, it also works with the Intake and fuel system and engine management.
Comparison of exhaust and emission control component types
| Component type | Main function | What to check before selection | Cooperating components |
|---|---|---|---|
| Catalytic converter | Reducing harmful exhaust emissions | OEM number, connection diameter, engine type, emission version | Lambda sensor, exhaust pipes, heat shields |
| EGR valve | Recirculating part of exhaust gases to the intake system | Control type, housing shape, connector, engine compatibility | Manifold, hoses, engine control unit |
| Silencer or resonator | Noise reduction and gas flow stabilization | Housing length, mounting points, pipe diameter, body version | Hangers, clamps, exhaust tips |
| Secondary air pump | Supplying additional air during startup and cold operation | OEM number, plug, mounting, hose connection direction | Control valves, hoses, electrical installation |
For example, a diesel particulate filter (DPF) installed in diesel engines can trap up to 90% of soot produced during the combustion process. In cars from brands like Audi or BMW, DPF parameters are adapted to Euro 6 standards, which allow nitrogen oxide (NOx) emissions of only 80 mg/km. This shows how precisely these systems must be designed to meet strict regulations.
Why is it worth taking care of exhaust and emission control systems?
Regular maintenance and replacement of exhaust and emission control system components are the basis for efficient and eco-friendly engine operation. Neglecting these systems can lead to:
- Increased exhaust emissions, which may result in failing a technical inspection.
- Damage to key components such as catalytic converters or DPF filters.
- Decreased vehicle performance and higher fuel consumption. At Global Parts, we offer original used car parts that undergo rigorous quality tests, ensuring reliability and durability.
Emission control function and cooperation with other systems
The emission control system is used to limit the amount of nitrogen oxides, particulate matter, and carbon monoxide leaving the exhaust system. Its effectiveness depends not only on the catalytic converter or DPF itself but also on correct sensor readings and proper operation of the control unit. Therefore, when diagnosing, it is worth considering the Automotive electrical systems and Engines and parts, because a fault outside the exhaust can affect emission errors and mixture composition.
How to choose the right parts for exhaust and emission control systems?
When choosing parts for exhaust and emission control systems, such as silencers, catalytic converters, or particulate filters, it is worth paying attention to:
- Vehicle model fitment – every car brand and model requires specific solutions. At Global Parts, you will find exhaust and emission control system components perfectly matched to BMW, AUDI, Volkswagen, Mercedes, Mini, and others.
- Technical condition – ensure that components are free from damage, corrosion, and cracks.
- Compliance with emission standards – ensure that the selected parts meet current legal requirements regarding emissions.
Selecting parts by OEM number, engine version, and mountings
Selecting exhaust parts should be based on the OEM number, engine code, body version, and the layout of mounting points. A catalytic converter, silencer, or exhaust pipe may differ in connection diameter, housing shape, hanger position, and sensor connector type. In the case of parts such as used catalytic converters, it is safest to compare the manufacturer's number, sensor placement, and compliance with the emission standard intended for the specific car version.
Characteristics of heat shields and mounting elements
A heat shield is an element mounted above or next to the exhaust, designed to limit the penetration of high temperatures to the floor, hoses, and adjacent components. It serves to protect bodywork components and installations running near hot parts of the system. When selecting, one must pay attention to sheet metal stampings, bolt points, and chassis compatibility, similar to the Bodywork, mountings, and accessories group. Assembly is supported by clamps, bolts, flanges, and rubber hangers, which are responsible for stable suspension of the system.
To facilitate part selection, below is an example compatibility and wear symptom table
| Component | Typical wear symptoms | Application / compatibility |
|---|---|---|
| Silencer | Louder engine operation, metallic vibrations | Many BMW, Audi, VW models |
| DPF filter | Power loss, engine error message | Diesel engines, Euro 5 and Euro 6 |
| Lambda sensor | Higher fuel consumption, uneven engine operation | Petrol and hybrid types depending on version |
| Catalytic converter | Characteristic exhaust smell, power loss | Vehicles with Euro 3 emission standard and higher |
Why is it worth choosing used exhaust and emission control parts?
Used car parts are a good solution that allows for savings while maintaining high quality. By choosing used exhaust systems and emission control parts, you gain:
- Lower costs – used components are significantly cheaper than new ones but offer equally high quality.
- Ecology – you support recycling and reduce the amount of automotive waste.
- Wide selection – in our store, you will find components for the most popular car brands.
How to take care of the exhaust and emission control system?
To ensure the exhaust and emission control system works efficiently for years, it is worth remembering a few rules:
- Regularly check the condition of the DPF filter and catalytic converter – their clogging can reduce vehicle performance.
- Keep exhaust pipes clean to avoid corrosion.
- Avoid short trips, which can cause underheating of the exhaust system and its components. In case of damage or wear of elements, at Global Parts you will find suitable used auto parts that will restore full functionality to your exhaust system.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of exhaust and emission control systems? | Exhaust and emission control systems are a set of elements leading exhaust gases from the engine to the final section of the exhaust. They consist of, among others, the manifold, pipes, silencers, catalytic converter, filters, sensors, and mounting parts. Their task is to discharge gases, reduce noise, and reduce the emission of harmful substances. Individual elements are located in the engine compartment and under the vehicle floor. |
| What are exhaust and emission control systems used for? | Exhaust and emission control systems are used for the safe discharge of exhaust gases and to improve engine operating conditions. They limit noise, support proper gas flow, and help meet emission standards. Without their proper operation, control unit errors, increased fuel consumption, and power loss may occur. In practice, they also affect the car's refinement and the durability of cooperating components. |
| What is the construction and function of an exhaust heat shield? | An exhaust heat shield is an element usually made of profiled sheet metal, mounted near hot exhaust parts. It serves to limit the impact of high temperatures on the body floor, hoses, and mounting elements. Its construction includes stiffening ribs and holes for bolts or clips. Depending on the model, it works with chassis tunnels, the catalytic converter, the silencer, or the particulate filter. |
| How to choose an exhaust part for a specific car? | It is best to compare the OEM number, engine code, body version, and mounting location. It is also worth checking the connection diameter, the number and position of hangers, the type of sensor connector, and whether the car is pre-facelift or post-facelift. For parts responsible for emissions, compliance with the appropriate emission standard also matters. |
| What symptoms indicate wear of exhaust and emission control elements? | Typical symptoms include louder engine operation, metallic vibrations under the floor, power loss, higher fuel consumption, or an engine error light. In case of leaks, an exhaust smell may appear, and with DPF or catalytic converter problems, also reduced performance. It is worth noting whether the symptoms occur on a cold engine, during acceleration, or during filter regeneration. |
| Which cooperating elements should be paid attention to during assembly? | During assembly, the condition of gaskets, clamps, flanges, bolts, rubber hangers, and heat shields should be assessed. Hoses and sensors should also be checked, as a damaged connector or connection leak can cause incorrect readings. After replacement, it is important to properly align the entire system so that it does not transmit vibrations to the bodywork. |
Summary: exhaust and emission control systems at the Global Parts automotive store
Exhaust systems and emission control systems are the foundations of modern vehicles, combining ecology, efficiency, and driving comfort. By taking care of their technical condition, you ensure reliability and compliance with applicable emission standards. At Global Parts, you will find an offer tailored to cars from brands such as BMW, AUDI, Volkswagen, Mercedes, Mini, and others, and you can base your selection of the right component on the OEM number, engine version, and mounting location. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to visit our automotive blog.