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EGR - Exhaust gas recirculation
By OE Match
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 971.1 Panamera 4S Diesel V8 4.0L 4WD (422 Hp) 2017-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 95B.1 Macan 3.0L V6 TDI 2014 - 2018
Porsche 957 Cayenne 3.0L Diesel 2007 - 2010
Porsche 958 Cayenne 3.0L / 4.2L Diesel 2011 - 2018
Porsche 970 Panamera 3.0L Diesel 2010 - 2016
Porsche 971.1 Panamera 4.0L TDI 2017 - 2020
Diagram ref no 35
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560528310
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Fits:
Porsche 958 Cayenne DIESEL 3.0L 2011
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958131502
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
The OE MATCH Exhaust Gas Recirculation (EGR) Valve is a emissions control component designed to regulate the recirculation of exhaust gases back into the engine intake system on compatible Porsche models. This precision-engineered valve helps reduce nitrogen oxide (NOx) emissions by controlling the volume of exhaust gas reintroduced into the combustion process, improving emissions performance while maintaining efficient engine operation.
Fits:
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 2
The EGR valve is designed to withstand extreme exhaust temperatures, carbon deposits, vibration and continual operating cycles. Designed as a replacement, it integrates seamlessly with the engine management system, ensuring correct emissions control and reliable long-term performance.
What This Product Does:
- Regulates the flow of exhaust gases back into the engine intake system.
- Reduces nitrogen oxide (NOx) emissions.
- Supports efficient combustion and emissions control.
- Communicates with the engine control unit (ECU) for precise operation.
- Helps improve fuel efficiency under certain operating conditions.
- Contributes to compliance with vehicle emissions standards.
- Forms an essential part of the engine emissions control system.
Symptoms Of Wear Or Failure:
- Illuminated engine management or check engine warning light.
- Rough or unstable idle.
- Reduced engine performance.
- Hesitation or poor acceleration.
- Increased fuel consumption.
- Excessive black exhaust smoke (diesel applications).
- Engine management fault codes relating to the EGR system.
- Increased exhaust emissions.
- Vehicle entering limp-home mode.
- Failed emissions or MOT inspection.
Why Replacement Matters:
- The EGR valve operates continuously under demanding conditions, where it is exposed to high exhaust temperatures, soot, carbon deposits and repeated opening and closing cycles. Over time, carbon build-up can restrict valve movement, while the internal mechanism or electronic actuator may wear or fail, preventing the valve from operating correctly.
- A faulty EGR valve can disrupt the engine's combustion process, leading to rough running, reduced performance, increased emissions and higher fuel consumption. If left unresolved, excessive carbon build-up and incorrect exhaust gas recirculation can place additional strain on the engine and other emissions control components, potentially resulting in costly repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB131503B
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The EGR valve is a recirculation control valve that regulates the flow of exhaust gases back into the intake on qualifying Porsche 958 4.2L diesel engines. It’s a critical emissions control and combustion-management component - controlling EGR flow to manage NOx emissions, combustion temperature, and overall engine efficiency. Fits left or right
Price is each, 2 required per car.
Fits:
Porsche 958 Cayenne S Diesel V8 4.2ltr 2010 - 2017
Diagram ref no 20
This EGR valve:
• Recirculates a controlled portion of exhaust gases into the intake to lower combustion temperature and reduce NOx emissions.
• Maintains proper valve flow and sealing to ensure consistent emissions control and engine performance.
• Provides reliable operation, with correct internal valve timing and robust valve sealing to prevent leaks or exhaust escape.
• Restores proper EGR function when the original valve fails, is stuck, or leaks - helping avoid emission faults, poor idling, or performance issues.
A failing EGR valve can cause poor combustion, increased emissions, and reduced engine efficiency, especially on diesel models that rely heavily on proper exhaust recirculation. As carbon builds up or the valve sticks, the engine may experience rough running, hesitation, smoke, or higher operating temperatures. Replacing a worn EGR valve restores correct exhaust-gas flow, maintains emission compliance, prevents exhaust leaks, and helps protect the engine from unnecessary stress or long-term damage.
Consider replacing the EGR valve if:
• There are error codes related to EGR failure or emissions fault.
• Engine shows rough idle, hesitation, or reduced performance under load.
• There’s excessive smoke or poor combustion performance, especially on a diesel engine.
• The original valve is faulty, leaking, stuck, or otherwise degraded due to age / carbon build-up.
• Performing an engine maintenance, overhaul, or emission-system service, especially if the EGR hasn’t been replaced before.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958131501
The product you are viewing cross references to these numbers
-
Throttle valve adapter / Ventilation for fuel tank / Crankcase housing ventilation (Model: 5502,CEYA) Cayenne 92A (958) 2011-18 107-010
-
Throttle valve adapter / Crankcase housing ventilation (Model: 059E) Cayenne 92A (958) 3.0L DIESEL >>05/2011 107-015
-
Crankcase housing ventilation (Model: CRCA,CRCB, CNRB,CVVA, CVVB,CVVC) Cayenne 92A (958) 3.0L DIESEL 2011-18 107-017
-
Throttle valve adapter / Ventilation for fuel tank / Vacuum line (Model: 06EC,CGEA, CGE,CGFA,CJT) Cayenne 92A (958) 3.0L HYBRID 2011-18 107-020
-
Crankcase housing ventilation / Vacuum line (Model: CUDB,CUDC) Cayenne 92A (958) 4.2L DIESEL 2011-18 107-024
-
Intake air distributor (Model: 4802,4852, CFTB,CFT, CYXA,CYX) Cayenne 92A (958) 4.8L 2011-18 107-050
-
Exhaust gas recirculation / Vacuum system (Model: 059E) Cayenne 92A (958) 3.0L DIESEL >>05/2011 108-050
-
Exhaust gas recirculation / Vacuum system (Model: CRCA,CRCB, CNRB,CVVA, CVVB,CVVC) Cayenne 92A (958) 3.0L DIESEL 05/2011-18 108-060
-
Exhaust gas recirculation / Vacuum system (Model: CUDB,CUDC) Cayenne 92A (958) 4.2L DIESEL 2011-18 108-070
OEMatch EGR - Exhaust gas recirculation — Durability, Sealing, Performance
For Porsche models the exhaust gas recirculation (EGR) system helps control combustion temperatures and reduce NOx emissions by recirculating a portion of exhaust gas into the intake. OEMatch supplies a selection of valves, coolers, sensors and related items to support maintenance and restoration of emission control systems across classic and modern Porsche engines.
Available Types- EGR valves
- EGR coolers
- EGR sensors and solenoids
- Gaskets, pipes and mounting hardware
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original exhaust gas recirculation.
OE (Original Equipment) refers to parts matching original specifications for the exhaust gas recirculation and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM exhaust gas recirculation engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The EGR system reduces peak combustion temperatures and NOx output while helping to maintain combustion stability. Components operate in a high-heat, contaminant-rich environment and are prone to carbon build-up, corrosion and thermal stress. OEMatch maintains a database of over 4,000 part numbers with more than 8,700 OE cross-references and continues to develop new items to broaden coverage for Porsche applications.
Benefits Include- Restores emissions control and lowers NOx output
- Improves idle stability and throttle response
- Helps prevent damage to turbochargers and downstream sensors
- Carbon deposits restrict valves and passages, reducing flow
- Heat cycling causes cracks or leaks in coolers and pipework
- Electrical sensors, solenoids and seals can fail from corrosion or contamination
Maintaining or replacing worn EGR parts helps a Porsche meet emissions expectations and preserves engine responsiveness. Prompt attention to faulty valves, coolers or sensors reduces fuel consumption, prevents smoke or rough running and avoids secondary failures in turbos or intake systems. Choosing parts matched to original specifications supports consistent function across different model years.
Advantages- Coverage for classic and modern Porsche models
- Parts engineered to match the original form, fit and function
- Replacement seals and hardware provided to simplify installation
Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
