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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Part no. A6511402208
EGR Pipe Mercedes W639 W906 OM651 Valve Hose Line Diesel Engine A6511400308
£32.95
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511500094
Flap Actuator Mercedes W204 W212 OM651 Diesel Intake Manifold Engine A6511500094
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511402108
Mercedes W906 OM651 Diesel EGR Cooler Exhaust Heat Exchanger Pipe A6511402108
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0009958902
Exhaust Clamp Mercedes W204 W212 Clip Pipe Connector Bracket A0009958902
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009056503
Mercedes W213 OM654 Diesel Exhaust Pressure Sensor DPF A0009056503
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
Part no. A0081532228
Temperature Sensor Mercedes W204 W212 W906 Gas Exhaust Catalyst A0081532228
£13.95
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0075421618
Mercedes W176 W204 W205 W212 W221 W906 Lambda Oxygen Sensor Probe A0075421618
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
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Part no. A0081532728
Mercedes W204 W212 Diesel Particulate Filter Temperature Sensor Gas Exhaust
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0035427018
Lambda Probe Mercedes ML GL Class W164 W169 Oxygen Sensor A0035427018
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0035426918
Mercedes W164 W169 W203 W204 W211 Lambda Oxygen Sensor Probe A0035426918
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
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Part no. A2034900441
Mercedes C E Class W203 W211 CDI Diesel Exhaust Conventer Clamp A2034900441
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£13.95
£13.25
Free delivery: Jul 30
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Part no. A0065421718
Lambda Sensor Mercedes W447 Diesel OM651 Catalytic Converter Probe A0065421718
Promo price
£23.95
£20.36
Free delivery: Jul 30
If paid before 14:00
Part no. A0009058804
Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor A0009058804
£23.95
Free delivery: Jul 30
If paid before 14:00
-29%
Part no. A6511400860
EGR Valve Mercedes W212 Sprinter W906 OM651 Exhaust Gas Recirculation Diesel
Promo price
£23.95
£16.96
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511401160
EGR Valve Mercedes W176 W204 W212 OM651 Exhaust Gas Recirculation A6511401160
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009058011
NOX Sensor Mercedes W205 W213 W906 W247 Lambda Oxygen Probe A0009057803
Promo price
£104.95
£89.21
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511510245
Mercedes W906 Starter Heat Resistant Cover Plate Motor Shield OM651 A6511510245
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400909-2
Mercedes W906 Engine OM651 Diesel Exhaust Manifold Unit Cover A6511400909
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400360
EGR Valve Mercedes W204 W212 W906 OM651 Exhaust Gas Recirculation A6511400360
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. rhd-A2711403109
Mercedes-Benz W203 W204 C209 M271 Kompressor Petrol Exhaust Elbow Manifold
Promo price
£32.95
£28.01
Free delivery: Jul 30
If paid before 14:00
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Part no. A0035427118
Mercedes W203 C209 Lambda Oxygen Sensor Probe A0035427118
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511411004
EGR Pipe Mercedes W204 W212 W906 OM651 Valve Line Diesel Engine A6511411004
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0025400617
Mercedes W203 Petrol Lambda Oxygen Sensor Probe A0025400617
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0071536028
Mercedes W176 W246 OM651 Diesel Exhaust Pressure Sensor DPF A0071536028
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400575
EGR Valve Mercedes W176 W246 OM651 Diesel Exhaust Cooler A6511400575
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009053009-1
Mercedes Sprinter W907 W910 OM651 NOX Sensor Lambda Oxygen Probe A0009053009
Promo price
£42.95
£36.51
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511800320
Oil Feed Pipe Mercedes W204 W212 OM651 Turbocharger Oil Line A6511800320
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6071400260
EGR Valve Mercedes W176 W246 OM607 Diesel Exhaust Gas Recirculation A6071400260
Promo price
£47.95
£40.76
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6421401308
Mercedes W203 W204 W212 EGR Pipe Valve Line Hose OM642 Diesel A6421401308
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400660
EGR Valve Mercedes W906 W205 Diesel OM651 EGR By Pass A6511400660
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009056804
Mercedes W204 W205 W212 OM651 Exhaust Gas Temperature Sensor A0009056804
Promo price
£23.95
£20.36
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009053905
Mercedes W906 W907 OM651 Diesel Exhaust Gas Temperature Sensor A0009053905
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0065422718
Mercedes W204 C207 W212 M271 Lambda Sensor Oxygen Probe A0065422718
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6111420501
Mercedes W203 W210 Engine Exhaust Manifold OM611 OM646 Diesel A6111420501
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0029954702
Mercedes W177 W205 W213 W253 W447 W907 Exhaust Pipe Clamp Muffler A0029954702
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0045422218
Mercedes SLK R171 Lambda Sensor Oxygen Probe Petrol A0045422218
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0071539528
Mercedes W204 W211 Exhaust Gas Temperature Sensor A0071539528
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
Part no. A0065424918-1
Lambda Sensor Mercedes W204 W212 Diesel Oxygen Probe A0065424918
£18.95
Free delivery: Jul 30
If paid before 14:00
Part no. A0021406260
Mercedes W203 Kompressor M271 Petrol EGR Valve A0021406260
£13.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400760
EGR Valve Mercedes W176 Diesel OM651 Exhaust Gas Valve A6511400760
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009053503
NOX Sensor Mercedes W207 W212 W906 Lambda Oxygen Probe A0009053503
Promo price
£70.95
£60.31
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009050608
Mercedes W205 X253 W447 W906 Lambda Oxygen Nox Sensor A0009050608
Promo price
£75.95
£64.56
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0075426318
Mercedes W176 W246 Lambda Oxygen Sensor Probe Exhaust Wiring A0075426318
Promo price
£23.95
£20.36
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0065422218
Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422218
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
Part no. A0075426418
Lambda Probe Mercedes W204 W205 W213 M278 Petrol Oxygen Sensor A0075426418
£13.95
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511402108-1
Mercedes W906 OM651 Diesel EGR Cooler Exhaust Heat Exchanger Pipe A6511402108
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009058111
NOX Sensor Mercedes W177 W213 C238 X253 OM608 Lambda Oxygen Probe A0009050208
Promo price
£75.95
£64.56
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0045420718
Mercedes-Benz W169 W203 W204 W211 W212 Petrol Lambda Sensor Probe A0045420718
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009059205
Mercedes Sprinter W906 OM651 Diesel Gas Exhaust Temperature Sensor A0009059205
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009055305
Mercedes Vito W447 Diesel OM651 Exhaust Gas Temperature Sensor EGT A0009055305
Promo price
£32.95
£28.01
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6510901041
Mercedes W204 W212 EGR Valve Bracket OM651 Engine Valve Mount Holder A6510901041
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511400502-1
EGR Valve Mercedes Vito Sprinter W639 W906 OM651 Exhaust Cooler Part A6511400502
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6460900054
EGR Valve Mercedes W203 W209 Diesel OM646 Exhaust Gas Recirculation A6460900054
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0095425618
Mercedes W156 W204 W246 W463 W636 Oxygen Lambda Sensor A0095425618
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0009059005
Mercedes W176 OM651 Diesel Exhaust Gas Temperature Sensor A0009059005
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
Part no. A6071400008
EGR Valve Pipe Mercedes W176 W246 OM607 Connector Hose Diesel Engine A6071400008
£23.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0005422404
Lambda Sensor Mercedes C118 W177 W247 M260 Oxygen Probe A0005422404
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0071536128
Mercedes W204 W203 W169 W212 W245 W906 Exhaust Pressure Sensor DPF A0071536128
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A6461401960
Mercedes W211 Vito W639 OM646 Exhaust Gas Recirculation EGR Valve A6461401960
Promo price
£113.95
£68.37
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0065422018
Lambda Sensor Mercedes W204 W212 Oxygen Sensor Lambda Probe A0065422018
Promo price
£37.95
£22.77
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A2464900227
Mercedes W176 Exhaust Muffler Pipe Tips Set Rear Left Right N/O/S A2464900227
Promo price
£56.95
£34.17
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0065424918
Mercedes W204 W212 Diesel Lambda Sensor Oxygen Probe A0065424918
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A2464902300
Exhaust Pipe Mercedes W176 W246 OM651 Front Line Intake Manifold A2464902300
Promo price
£66.95
£56.91
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0009053603
NOX Sensor Mercedes W212 W176 W246 Lambda Probe Control Unit A0009053603
Promo price
£85.95
£51.57
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0009954233
Exhaust Clamp Mercedes C156 W176 Clip Pipe Connector Bracket A0009954233
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6511400675-3
EGR Exhaust Cooler Mercedes W639 W906 Diesel OM651 Valve A6511420467
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
Part no. A2054900927
Mercedes-Benz E-Class W207 A207 C207 Rear Left N/S AMG Exhaust Muffler Pipe Tip
£37.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A6421402375
Mercedes W221 OM642 Diesel Exhaust EGR Cooler Heat Exchanger A6421402375
Promo price
£37.95
£22.77
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 0281004221
Mercedes W205 Renault Lambda Probe Oxygen Sensor Bosch 0281004221
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0005423100
NOX Sensor Mercedes W213 X253 M274 Lambda Oxygen Probe A0005423100
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A2024900841
Mercedes X166 Exhaust System Clamp Connector Pipe Hose Tube A2024900841
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511420001-1
Exhaust Manifold Mercedes W204 W212 Engine OM651 Diesel Unit Cover A6511420001
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
Part no. A6511420001
Exhaust Manifold Mercedes W204 W212 Engine OM651 Diesel Unit Cover A6511420001
£23.95
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 227702184R
Mercedes W176 Exhaust Pressure Sensor DPF Particulate Filter Sensor 227702184R
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009052709
Mercedes W447 Lambda Oxygen NOX Sensor A0009052709
Promo price
£61.95
£52.66
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A2464900427
Mercedes W176 Exhaust Muffler Pipe Rear Left Right N/O/S AMG Exhaust Tips Set
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. rhd-A0009059703
Mercedes W166 W205 W213 W238 W292 W447 W906 Nox Oxygen Sensor A0009059703
Promo price
£61.95
£37.17
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A2034900741
Mercedes C E Class W203 W211 CDI Diesel Exhaust Conventer Clamp A2034900741
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0005428104
Mercedes W177 Lambda Sensor Downstream Of Catalytic Converter A0005428104
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
Part no. A6421401263-2
Mercedes W204 W212 W221 OM642 Diesel Exhaust EGR Diverter Valve A6421401263
£56.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6071400700
Mercedes W176 OM607 Diesel EGR Valve Exhaust Gas Recirculation A6071400700
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A6541404401
Mercedes W213 Diesel OM654 EGR Valve Exhaust Recirculation Cooler A6541404401
Promo price
£94.95
£56.97
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A2464902300-1
Exhaust Pipe Mercedes W176 W246 OM651 Front Intake Manifold Line A2464902300
Promo price
£51.95
£31.17
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0004900200
Injector Nozzle Mercedes Sprinter W907 Adblue Exhaust Injector A0004900200
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
Part no. A6401401660
EGR Valve Mercedes W169 W245 OM640 Exhaust Gas Recirculation A6401401660
£32.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009059603
Mercedes W906 Lambda Oxygen Sensor Probe A0009059603
Promo price
£42.95
£36.51
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A6421401263-1
Exhaust EGR Mercedes W204 W212 W221 OM642 Diesel Diverter Valve A6421401263
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A2044910147
Mercedes W204 Vibration Absorber Exhaust Damper A2044910147
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0071536728
Exhaust Temperature Sensor Mercedes W204 W212 OM651 Diesel Engine A0071536728
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511410340
EGR Bracket MERCEDES W204 W906 Diesel OM651 EGR Valve Pipe Holder A6511410340
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A0009057809-2
Exhaust Pressure Sensor Mercedes W177 W246 M260 Petrol DPF A0009057809
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009051132
Mercedes R172 OM651 Diesel Exhaust Gas Temperature Sensor A0009051132
Promo price
£28.95
£24.61
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 0071539628
EGT Mercedes W639 W211 Diesel OM642 Exhaust Gas Temperature Sensor A0071539628
Promo price
£37.95
£22.77
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. rhd-A0071538828
Mercedes W211 W212 C219 OM642 Diesel Exhaust Gas Temperature Sensor A0071538828
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A0045427318
Lambda Sensor Mercedes W164 W204 W211 Diesel CDI Oxygen Probe A0045427318
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0009058904
Mercedes X253 OM651 Catalytic Converter Sensor Temperature Exhaust Sensor
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. A0021407460
EGR Valve Mercedes W203 W204 W212 M272 Exhaust Gas Recirculation A0021407460
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. A6461420167
EGR Valve Mercedes Vito Viano W639 OM646 Exhaust Cooler Pipe A6461420167
Promo price
£32.95
£19.77
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. A6511500175
Engine Heat Shield Mercedes W906 OM651 Starter Motor Heat Plate A6511500175
Promo price
£13.95
£13.25
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.