OE Match

Lambda Oxygen Sensor, BEFORE Catalytic Converter.
Restore accurate air-fuel mixture monitoring and dependable engine-management performance with this OE Match Lambda Oxygen Sensor. Designed for compatible Porsche applications, this sensor is positioned before the catalytic converter, where it measures oxygen levels in the exhaust gases immediately after combustion.  

Fits:

• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17  

Diagram Ref No 7

Also known as an upstream, pre-cat or O2 sensor, the lambda sensor provides essential feedback to the engine control unit (ECU). By measuring residual oxygen in the exhaust stream, it enables the ECU to determine whether the engine is operating with a rich or lean air-fuel mixture and make continuous corrections to fuel delivery.

As a pre-catalytic converter sensor, it has an important role in closed-loop fuel control. Accurate readings help maintain efficient combustion, responsive performance, appropriate fuel consumption and controlled exhaust emissions.

Lambda sensors operate under demanding conditions and are continually exposed to extreme exhaust temperatures, vibration and combustion deposits. With age, the sensing element can become contaminated or slow to respond, while the internal heater, wiring or electrical connections may also deteriorate.

This OE Match Lambda Oxygen Sensor provides a high-quality replacement for a slow, contaminated, damaged or failed original sensor.

What This Product Does:

• Measures oxygen content within the exhaust gases.
• Is designed for installation before the catalytic converter.
• Sends exhaust oxygen information to the ECU.
• Helps determine whether the engine is running rich or lean.
• Allows the ECU to make accurate fuel-delivery adjustments.
• Supports closed-loop air-fuel mixture control.
• Helps maintain efficient combustion.
• Contributes to smooth and responsive engine performance.
• Helps optimise fuel consumption.
• Supports correct exhaust emissions.
• Helps protect the catalytic converter from problems caused by incorrect fuelling.
• Replaces a worn, contaminated or failed oxygen sensor.
• Provides an OE Match alternative for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Check engine or engine-management warning light.
• Lambda or oxygen sensor-related diagnostic fault codes.
• Rich or lean mixture fault codes.
• Increased fuel consumption.
• Rough or unstable idle.
• Hesitation during acceleration.
• Poor throttle response.
• Reduced engine performance.
• Engine running excessively rich or lean.
• Strong fuel smell from the exhaust.
• Increased exhaust emissions.
• Failed emissions testing where applicable.
• Intermittent engine-management warnings.
• Slow sensor response shown by diagnostic equipment.
• Implausible or inconsistent lambda readings.
• Oxygen sensor heater circuit faults.
• Damaged wiring, insulation or electrical connectors.  

Why Replacement Matters:

• The lambda sensor positioned before the catalytic converter is a key feedback component within the engine-management system. The ECU relies on its signal to continually fine-tune the amount of fuel delivered to the engine.
• As a lambda sensor ages, it may become slower to react to changes in exhaust oxygen content. A sensor does not necessarily have to fail completely to affect engine operation; delayed or inaccurate readings can result in less precise fuel corrections.
• Poor mixture control can contribute to increased fuel consumption, reduced performance, unstable running and higher exhaust emissions.
• Incorrect fuelling can also place additional stress on the catalytic converter. If the engine runs excessively rich, unburned fuel can enter the exhaust system and increase catalyst temperatures, potentially shortening catalytic converter service life.
• A failed sensor may cause the ECU to use substitute values or adopt a fallback strategy. Although the engine may continue to run, fuel efficiency, emissions and performance may be compromised.
• Replacing a defective sensor with this OE Match Lambda Oxygen Sensor helps restore accurate mixture feedback, efficient combustion and dependable engine-management operation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

958906262F

The product you are viewing cross references to these numbers

Lambda Oxygen Sensor, BEFORE Catalytic Converter.

Restore accurate air-fuel mixture monitoring and efficient engine-management operation with this OE Match Lambda Oxygen Sensor. Designed for compatible Porsche applications, this sensor is installed before the catalytic converter, where it monitors oxygen levels in the exhaust gases directly after combustion.

Fits:

• Porsche 955 Cayenne Turbo 4.5L 2003-06
• Porsche 955 Cayenne Turbo S 4.5L 2006>>

Diagram Ref No 6

Also known as an upstream, pre-cat or O2 sensor, the lambda sensor provides essential feedback to the engine control unit (ECU). By measuring the amount of oxygen remaining in the exhaust, the sensor enables the ECU to determine whether the engine is operating with a rich or lean air-fuel mixture and make the necessary fuel-delivery corrections.

Because this sensor operates upstream of the catalytic converter, it plays a particularly important role in closed-loop fuel control. Accurate readings contribute to efficient combustion, responsive engine performance, fuel economy and emissions control.

Continuous exposure to high exhaust temperatures, vibration and combustion deposits can cause lambda sensors to deteriorate over time. A worn sensor may become slow to respond, provide inaccurate readings or fail completely.

This OE Match Lambda Oxygen Sensor provides a high-quality replacement for a worn, contaminated or defective pre-catalytic converter sensor.

What This Product Does:

• Measures oxygen content within the exhaust gases.
• Is designed for installation before the catalytic converter.
• Sends exhaust oxygen information to the ECU.
• Helps determine whether the air-fuel mixture is rich or lean.
• Allows the ECU to continuously adjust fuel delivery.
• Supports accurate closed-loop fuel control.
• Helps maintain efficient combustion.
• Contributes to consistent throttle response and engine performance.
• Helps optimise fuel consumption.
• Supports correct exhaust emissions.
• Helps protect the catalytic converter from problems caused by incorrect fuelling.
• Replaces a slow, contaminated, damaged or failed oxygen sensor.
• Provides an OE Match replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Check engine or engine-management warning light.
• Lambda or oxygen sensor-related diagnostic fault codes.
• Rich or lean mixture fault codes. Increased fuel consumption.
• Rough or unstable idle. Engine hesitation or stumbling.
• Poor throttle response. Reduced engine performance.
• Engine running excessively rich or lean.
• Strong fuel smell from the exhaust.
• Increased exhaust emissions.
• Failed emissions testing where applicable.
• Intermittent engine-management faults.
• Slow sensor response visible through diagnostic equipment.
• Implausible or inconsistent oxygen sensor readings.
• Sensor heater circuit faults where applicable.
• Damaged wiring or electrical connectors.  

Why Replacement Matters:

• The pre-catalytic converter lambda sensor is one of the engine-management system's primary tools for controlling the air-fuel mixture.
• When operating correctly, the sensor provides rapid feedback that allows the ECU to continually adjust fuel delivery according to actual combustion conditions. If the sensor becomes slow or inaccurate, these adjustments may no longer be as precise.
• Poor mixture control can result in increased fuel consumption, reduced performance and higher emissions. In some cases, the engine may continue to operate relatively normally while efficiency gradually deteriorates.
• Incorrect fuelling can also place the catalytic converter at risk. An excessively rich mixture may allow unburned fuel to enter the exhaust system, increasing catalyst temperatures and potentially contributing to premature catalytic converter damage.
• A completely failed sensor may cause the ECU to use substitute values or a more conservative operating strategy, potentially illuminating the engine-management warning light and reducing overall efficiency.
• Replacing a defective sensor with this OE Match Lambda Oxygen Sensor helps restore accurate mixture feedback, efficient combustion and dependable engine-management operation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

958906262L

The product you are viewing cross references to these numbers

RIGHT Lambda Sensor, BEFORE Catalytic Converter.
The OE MATCH RIGHT Lambda Sensor, Before Catalytic Converter is a precision-engineered engine management and emissions control sensor designed to monitor oxygen levels in the exhaust gases before they enter the catalytic converter on the left-hand exhaust bank. Also known as an upstream oxygen sensor or pre-catalyst lambda sensor, it plays a crucial role in maintaining the correct air-fuel mixture for efficient combustion and optimal engine performance.

Fits:

• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

  
Diagram Ref No 7

The sensor continuously measures the oxygen content in the exhaust stream and sends real-time data to the engine control unit (ECU). Using this information, the ECU adjusts fuel injection and ignition parameters to maximise fuel efficiency, reduce emissions, and ensure smooth engine operation. This sensor delivers accurate readings, fast response times, and long-term reliability.

What This Product Does:

• Monitors oxygen levels in exhaust gases before the catalytic converter
• Provides real-time feedback to the engine control unit (ECU)
• Helps regulate the air-fuel mixture for efficient combustion
• Supports engine performance and throttle response
• Improves fuel economy and emissions control
• Ensures efficient catalytic converter operation

Symptoms Of Wear Or Failure:

• Check engine light illumination
• Poor fuel economy
• Rough idle or unstable engine operation
• Reduced engine power and acceleration
• Engine hesitation or sluggish throttle response
• Increased exhaust emissions
• Failed emissions or MOT tests
• Oxygen sensor-related fault codes stored in the ECU

Why Replacement Matters:

• Restores accurate air-fuel ratio monitoring
• Improves fuel economy and combustion efficiency
• Enhances engine performance and throttle response
• Reduces harmful exhaust emissions
• Supports proper catalytic converter function and longevity
• Prevents unnecessary engine management warning lights
• Helps maintain emissions compliance and MOT readiness
• Ensures reliable communication between the sensor and ECU for optimum engine operation

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94860613401

The product you are viewing cross references to these numbers

Lambda Oxygen Sensor, BEFORE Catalytic Converter.
Restore accurate air-fuel mixture monitoring and dependable engine-management operation with this OE Match Lambda Oxygen Sensor. Designed for compatible Porsche applications, this sensor is installed before the catalytic converter, where it measures the oxygen content of the exhaust gases leaving the engine.  
 
Fits:

Diagram Ref No 6

Also known as an upstream, pre-cat or O2 sensor, the lambda sensor provides critical feedback to the engine control unit (ECU). By monitoring residual oxygen in the exhaust stream, it allows the ECU to determine whether the engine is running richer or leaner than intended and make continuous adjustments to fuel delivery.

Accurate pre-catalyst lambda sensor information is important for maintaining efficient combustion, responsive performance, fuel economy and emissions control. Unlike a downstream sensor, which is commonly used to monitor catalytic converter performance, the before-catalytic-converter sensor has a direct role in fuel-mixture regulation.

Lambda sensors operate in an extremely demanding environment and are continually exposed to high exhaust temperatures and combustion by-products. Age, contamination, wiring damage or deterioration of the sensing element can eventually cause slow, inaccurate or failed readings.

This OE Match Lambda Oxygen Sensor provides a high-quality replacement for a worn or defective pre-cat sensor, helping restore accurate mixture feedback and correct engine-management operation.

What This Product Does:

• Measures oxygen content in the exhaust gases.
• Is positioned before the catalytic converter.
• Provides air-fuel mixture feedback to the ECU.
• Helps the ECU determine whether combustion is rich or lean.
• Allows continuous adjustment of fuel delivery.
• Supports accurate closed-loop fuel control.
• Helps maintain efficient combustion.
• Contributes to consistent engine performance and throttle response.
• Helps optimise fuel consumption.
• Supports correct operation of the emissions-control system.
• Helps protect the catalytic converter from problems associated with incorrect fuelling.
• Replaces a slow, contaminated, damaged or failed oxygen sensor.
• Provides an OE Match replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Check engine or engine-management warning light.
• Oxygen sensor or mixture-related diagnostic fault codes.
• Increased fuel consumption.
• Rough or unstable idle.
• Engine hesitation. Poor throttle response.
• Reduced engine performance.
• Engine running excessively rich.
• Engine running excessively lean.
• Increased exhaust emissions.
• Strong fuel smell from the exhaust.
• Failed emissions testing where applicable.
• Intermittent engine-management faults.
• Slow or implausible lambda sensor readings during diagnostic testing.
• Damaged sensor wiring or electrical connector.
• Heater circuit-related sensor faults where applicable.  

Why Replacement Matters:

• The pre-catalytic converter lambda sensor is a key feedback device for the engine's fuel-management system. When operating correctly, it allows the ECU to continually fine-tune the air-fuel mixture as driving conditions change.
• As a lambda sensor ages, its response can become slower even before it fails completely. Delayed or inaccurate feedback may cause the ECU to make less precise fuelling corrections, potentially resulting in increased fuel consumption, reduced performance and higher emissions.
• Incorrect fuelling can also affect the catalytic converter. An excessively rich mixture may allow unburned fuel to enter the exhaust, potentially causing the catalyst to operate at abnormally high temperatures. Persistent lean-running conditions can also contribute to poor engine operation and increased combustion temperatures.
• A failed sensor may cause the ECU to rely on substitute values or an alternative control strategy. While the vehicle may continue to operate, performance, efficiency and emissions can be compromised.
• Replacing a defective component with this OE Match Pre-Catalytic Converter Lambda Oxygen Sensor helps restore accurate mixture feedback, efficient combustion and dependable engine-management operation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94860613102

The product you are viewing cross references to these numbers

LEFT Lambda Sensor, BEFORE Catalytic Converter.

The OE MATCH LEFT Lambda Sensor, Before Catalytic Converter is a precision-engineered engine management and emissions control sensor designed to monitor oxygen levels in the exhaust gases before they enter the catalytic converter on the left-hand exhaust bank. Also known as an upstream oxygen sensor or pre-catalyst lambda sensor, it plays a crucial role in maintaining the correct air-fuel mixture for efficient combustion and optimal engine performance.

Fits:

• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

  
Diagram Ref No 7

The OE MATCH sensor continuously measures the oxygen content in the exhaust stream and sends real-time data to the engine control unit (ECU). Using this information, the ECU adjusts fuel injection and ignition parameters to maximise fuel efficiency, reduce emissions, and ensure smooth engine operation. This sensor delivers accurate readings, fast response times, and long-term reliability.

What This Product Does:

• Monitors oxygen levels in exhaust gases before the catalytic converter
• Provides real-time feedback to the engine control unit (ECU)
• Helps regulate the air-fuel mixture for efficient combustion
• Supports engine performance and throttle response
• Improves fuel economy and emissions control
• Ensures efficient catalytic converter operation

Symptoms Of Wear Or Failure:

• Check engine light illumination
• Poor fuel economy
• Rough idle or unstable engine operation
• Reduced engine power and acceleration
• Engine hesitation or sluggish throttle response
• Increased exhaust emissions
• Failed emissions or MOT tests
• Oxygen sensor-related fault codes stored in the ECU

Why Replacement Matters:

• Restores accurate air-fuel ratio monitoring
• Improves fuel economy and combustion efficiency
• Enhances engine performance and throttle response
• Reduces harmful exhaust emissions
• Supports proper catalytic converter function and longevity
• Prevents unnecessary engine management warning lights
• Helps maintain emissions compliance and MOT readiness
• Ensures reliable communication between the sensor and ECU for optimum engine operation

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

94860613302

The product you are viewing cross references to these numbers

Boost Pressure Sensor.

The Boost Pressure Sensor is a OE MATCH Porsche 997.2 Turbo engine management component designed to monitor the pressure within the intake and turbocharging system. By continuously measuring boost pressure and transmitting accurate data to the engine control unit (ECU), this sensor helps optimise turbocharger performance, fuel delivery, ignition timing, and overall engine efficiency.

Fits:

• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13

Diagram Ref No 9

This OE MATCH sensor is engineered for precise pressure measurement, fast response times, and reliable operation in high-temperature, high-pressure engine environments. It plays a critical role in maintaining performance, drivability, fuel economy, and emissions compliance in turbocharged Porsche engines.

What This Product Does:

• Measures intake and boost pressure within the engine system
• Provides real-time pressure data to the ECU
• Helps regulate turbocharger performance and boost levels
• Supports accurate fuel injection and ignition timing adjustments
• Maintains optimal engine efficiency and power output
• Contributes to emissions control and engine protection strategies

Symptoms Of Wear Or Failure:

• Reduced engine power or limp-home mode activation
• Poor turbocharger performance or incorrect boost levels
• Engine hesitation during acceleration Increased fuel consumption
• Check engine light illumination Boost pressure-related fault codes
• Erratic engine performance or inconsistent throttle response
• Rough running or reduced drivability

Why Replacement Matters:

• Restores accurate boost pressure monitoring
• Ensures proper turbocharger control and operation
• Improves engine performance and throttle response
• Maintains optimal fuel economy and emissions performance
• Prevents unnecessary strain on the turbocharging system
• Helps avoid limp mode activation and engine management faults
• Supports reliable communication between engine components and the ECU
• Maintains the performance and driving characteristics expected of a Porsche vehicle

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99760618000

The product you are viewing cross references to these numbers

Air Intake Temperature Sensor.

The OE MATCH Air Intake Temperature Sensor is a engine management sensor, designed to measure the temperature of the air entering the engine. This information is continuously transmitted to the engine control unit (ECU), allowing precise adjustments to fuel injection, ignition timing, and air-fuel mixture calculations.

Fits:

• Porsche 928S2 4.7L 1984-86

Diagram Ref No 7

By accurately monitoring intake air temperature, the sensor helps optimise engine performance, fuel efficiency, emissions control, and overall drivability. It is engineered for reliable operation, precise readings, and long-term durability in demanding engine bay environments.

What This Product Does:

• Measures the temperature of incoming intake air
• Sends temperature data to the engine control unit (ECU)
• Helps calculate the correct air-fuel mixture
• Supports accurate fuel injection and ignition timing adjustments
• Optimises engine performance and fuel economy
• Contributes to emissions control and efficient combustion

Symptoms Of Wear Or Failure:

• Check engine light illumination
• Poor fuel economy
• Rough idle or inconsistent engine operation
• Reduced engine performance or throttle response
• Hard starting in hot or cold conditions
• Engine hesitation during acceleration
• Incorrect air-fuel mixture calculations
• Sensor-related fault codes stored in the ECU

Why Replacement Matters:

• Restores accurate intake air temperature readings
• Ensures correct air-fuel mixture calculations
• Improves fuel economy and engine responsiveness
• Supports smooth engine operation and drivability
• Helps maintain emissions compliance
• Prevents unnecessary fuel consumption and performance loss
• Supports reliable communication between the sensor and ECU
• Maintains the efficiency and reliability of the engine management system

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92860614300

The product you are viewing cross references to these numbers

Exterior Temperature Sensor.
Restore accurate outside temperature monitoring with this OE Match Exterior Temperature Sensor. Designed for compatible Porsche applications, this sensor measures the ambient air temperature outside the vehicle and provides the corresponding electrical signal to the vehicle's temperature display and associated systems where applicable.

Fits:

• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) C2 1989-93
• Porsche 964 (911) C4 1989-93
• Porsche 964 (911) RS 3.6L 1991-93
• Porsche 964 (911) RS 3.8L 1991-93
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• Porsche 968 3.0L 1992-94
• Porsche 968 Sport 3.0L 1994-95
• Porsche 968 CS 3.0L 1993-95
• Porsche 968 Turbo S 3.0L 1993-94
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95  

(Positioned in the door mirror on 911 / 964 / 928 / 968 and front bumper on 993)

Diagram Ref No 15

The exterior temperature sensor is positioned where it can monitor outside air temperature while minimising the influence of heat generated by the engine and other vehicle components. Its readings can be used to provide the driver with an outside temperature indication and, depending on the vehicle specification, may also be referenced by other temperature-dependent systems.

Over time, exposure to water, road dirt, temperature extremes and vibration can cause the sensor or its electrical connections to deteriorate. A faulty sensor may display an incorrect outside temperature, produce intermittent readings or stop providing temperature information altogether.

This OE Match Exterior Temperature Sensor provides a high-quality replacement for a failed, damaged or inaccurate original sensor, helping restore dependable ambient temperature measurement.

What This Product Does:

• Measures ambient temperature outside the vehicle.
• Converts outside temperature into an electrical signal.
• Provides temperature information to the relevant vehicle system
• Supports accurate outside temperature display where fitted.
• Helps the driver monitor changing external conditions.
• May provide temperature information to associated vehicle systems where applicable.
• Responds to changes in surrounding air temperature.
• Replaces an inaccurate, damaged or failed exterior temperature sensor.
• Helps eliminate implausible or intermittent outside temperature readings.
• Provides an OE-style replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Outside temperature display showing an obviously incorrect reading.
• Temperature displayed significantly higher or lower than actual conditions.
• Exterior temperature reading stuck at one value.
• Display failing to respond as outside temperature changes.
• Intermittent or fluctuating temperature readings.
• Outside temperature display disappearing completely.
• Implausibly high or low readings.
• Temperature-related warning behaving incorrectly where applicable.
• Sensor-related diagnostic fault codes.
• Visible damage to the sensor.
• Corroded or contaminated electrical connections.
• Broken or damaged sensor wiring.
• Physical damage caused by road debris or previous repairs.  

Why Replacement Matters:

• An exterior temperature sensor provides useful information about the conditions surrounding the vehicle. An inaccurate sensor can make the displayed temperature misleading and reduce the driver's ability to recognise potentially cold or changing road conditions.
• Where the vehicle provides a low-temperature or frost warning, an incorrect sensor reading may cause the warning to appear at the wrong time or prevent it from operating as expected.
• Depending on vehicle specification, ambient temperature information may also be referenced by other electronic systems. An implausible sensor signal can therefore potentially affect functions beyond the temperature display itself.
• Sensor problems are often caused by age, corrosion or physical damage. Because the sensor is exposed to external conditions, its wiring and connector can also deteriorate over time.
• Replacing a defective component with this OE Match Exterior Temperature Sensor helps restore accurate ambient temperature information and dependable operation of systems that use the exterior temperature signal.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

92864114200

The product you are viewing cross references to these numbers

Crankshaft Position Sensor, Cylinder 6-10.

Restore accurate engine speed and crankshaft position monitoring with this OE Match Crankshaft Position Sensor, specified for the cylinders 6–10 application on compatible Porsche engines.

Fits:

Diagram Ref No 40

The crankshaft position sensor is a critical engine-management component. It monitors the rotational position and speed of the crankshaft and sends this information to the engine control unit (ECU). The ECU uses this signal to coordinate essential functions such as ignition timing and fuel injection.

Accurate crankshaft position information allows the engine management system to determine precisely where the engine is within its operating cycle. If the sensor signal becomes weak, intermittent or disappears completely, the ECU may be unable to control ignition and injection correctly. This can lead to difficult starting, misfires, poor running or a complete no-start condition.

Electrical sensors can deteriorate through age, repeated heat cycles, vibration, damaged wiring or connector problems. Some failures can also be temperature-related, with the sensor working correctly when cold but becoming unreliable once the engine reaches operating temperature.

This OE Match Crankshaft Position Sensor provides a high-quality replacement for a faulty or damaged sensor, helping restore accurate engine timing information and dependable engine-management operation.

What This Product Does:

• Monitors crankshaft rotational position.
• Measures crankshaft speed or engine RPM.
• Sends crankshaft position information to the ECU.
• Helps the ECU determine correct engine timing.
• Supports accurate ignition control.
• Supports correctly timed fuel injection.
• Helps maintain smooth and consistent engine operation.
• Provides essential information during engine starting.
• Supports accurate engine-management diagnostics.
• Helps maintain reliable performance across changing engine speeds and loads.
• Replaces an intermittent, damaged or failed sensor.
• Is specified for the applicable cylinders 6–10 position/application.  
  
  

Symptoms Of Wear Or Failure:

• Engine cranks but does not start.
• Intermittent starting problems.
• Extended cranking before the engine starts.
• Engine unexpectedly cutting out.
• Engine stalling when hot.
• Engine restarting after it has cooled down.
• Intermittent loss of engine power.
• Rough or inconsistent engine operation.
• Engine misfires.
• Hesitation during acceleration.
• Check engine or engine-management warning light.
• Crankshaft position sensor-related diagnostic fault codes.
• Engine speed signal disappearing during diagnostic testing.
• Tachometer or RPM information behaving abnormally where applicable.
• Damaged sensor wiring or electrical connector.
• Heat-related intermittent sensor failure.  

Why Replacement Matters:

• A sensor that fails completely can potentially prevent the engine from starting. An intermittent sensor can be more difficult to diagnose because the vehicle may operate normally before suddenly stalling or refusing to restart.
• Heat-related deterioration is particularly troublesome. A failing sensor may work when the engine is cold but lose its signal as temperatures rise, potentially causing the engine to cut out during operation.
• An inaccurate or unstable signal can also contribute to misfires, poor performance and engine-management warning lights.
• Because crankshaft position information is directly related to ignition and injection control, unresolved sensor faults can compromise overall engine reliability and may leave the vehicle unable to start.
• Replacing a defective component with this OE Match Crankshaft Position Sensor helps restore accurate engine speed and position information, dependable starting and correct engine-management operation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

98060611301

The product you are viewing cross references to these numbers

Knock Sensor.

Restore accurate combustion monitoring and dependable engine-management operation with this OE Match Knock Sensor. Designed for compatible Porsche applications, the knock sensor monitors engine vibrations associated with abnormal combustion, allowing the engine control unit (ECU) to respond when detonation or engine knock is detected.

Fits:

Diagram Ref No 21

During normal operation, the ECU continually adjusts engine parameters to achieve an effective balance between performance, efficiency and engine protection. The knock sensor plays an important role in this process by detecting characteristic vibration frequencies produced when combustion does not occur as intended.

When knock is detected, the ECU can adjust ignition timing and other applicable operating parameters to reduce detonation. This helps protect internal engine components from the excessive pressure and temperature associated with prolonged engine knock.

A faulty knock sensor may provide an incorrect, intermittent or missing signal. This can trigger an engine-management warning and may cause the ECU to adopt more conservative ignition settings, potentially resulting in reduced performance or efficiency.

This OE Match Knock Sensor provides a high-quality replacement for a defective or damaged original sensor, helping restore accurate knock detection and correct engine-management response.

What This Product Does:

• Detects engine vibrations associated with detonation or abnormal combustion.
• Sends combustion vibration information to the ECU.
• Helps the engine-management system identify engine knock.
• Allows ignition timing to be adjusted when knock is detected.
• Helps protect internal engine components from damaging detonation.
• Supports optimum ignition timing under changing operating conditions.
• Helps maintain smooth and efficient combustion.
• Supports consistent engine performance and throttle response.
• Allows the ECU to adapt appropriately to engine load and operating conditions.
• Replaces a failed, damaged or unreliable knock sensor.
• Provides an OE Match alternative for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Check engine or engine-management warning light.
• Knock sensor-related diagnostic trouble codes.
• Reduced engine power. Sluggish acceleration.
• Poor or inconsistent throttle response.
• Engine entering a reduced-performance or protective operating strategy.
• Increased fuel consumption.
• Rough or inconsistent engine operation.
• Audible pinging or knocking during acceleration.
• Knock particularly noticeable under heavy engine load.
• Intermittent engine-management warnings.
• Damaged knock sensor wiring or connector.
• Diagnostic testing showing an implausible, intermittent or missing sensor signal.  

Why Replacement Matters:

• Engine knock or detonation occurs when combustion inside the cylinder becomes abnormal, creating uncontrolled pressure waves rather than the intended smooth combustion process.
• Persistent detonation can expose pistons, bearings, cylinder walls and other internal engine components to increased mechanical and thermal stress. Severe or prolonged knock can potentially contribute to expensive internal engine damage.
• The knock sensor helps prevent this by giving the ECU the information needed to identify abnormal combustion and make appropriate ignition adjustments.
• If the sensor fails or sends unreliable information, the ECU may no longer be able to determine accurately whether knock is occurring. Depending on the engine-management strategy, it may compensate by using conservative ignition timing to provide additional engine protection.
• While this can reduce the risk of damage, it may also result in reduced power, poorer throttle response and increased fuel consumption.
• A defective sensor can also create persistent diagnostic faults or warning lights, making it more difficult to identify other genuine engine-management problems.
• Replacing a failed sensor with this OE Match Knock Sensor helps restore accurate combustion monitoring, appropriate ignition control and the engine protection functions built into the management system.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95890537700

The product you are viewing cross references to these numbers

Knock Sensor.

The OE MATCH Knock Sensor is a vital engine management sensor designed to detect abnormal combustion events, commonly known as engine knock or detonation. Mounted directly to the engine block, the sensor continuously monitors engine vibrations and sends real-time data to the engine control unit (ECU).
Sold Each.

Fits:

• Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
• Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
• Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
• Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
• Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
• Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
• Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
• Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
• Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
• Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
• Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
• Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
• Porsche 971.2 Panamera 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera GTS 4.0L V8 2021-23
• Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
• Porsche 976 Panamera V6 2.9L 2023>>
• Porsche 976 Panamera 4 V6 2.9L 2023>>
• Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
• Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
• Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21

  
Diagram Ref No 10

When knock is detected, the ECU can instantly adjust ignition timing and other engine parameters to protect the engine from damage while maintaining optimal performance. The knock sensor provides accurate detection, reliable communication with the ECU, and long-term durability in demanding engine environments.

What This Product Does:

• Monitors engine vibrations for signs of knock or detonation
• Sends real-time data to the engine control unit (ECU)
• Allows the ECU to adjust ignition timing when necessary
• Helps optimise engine performance and efficiency
• Protects internal engine components from combustion-related damage
• Supports smooth engine operation under varying loads and conditions

Symptoms Of Wear Or Failure:

• Check engine light illumination
• Engine knock or pinging noises under acceleration
• Reduced engine performance and power output
• Poor fuel economy
• Engine hesitation or sluggish throttle response
• Incorrect ignition timing adjustments
• Increased emissions Knock sensor-related fault codes stored in the ECU

Why Replacement Matters:

• Restores accurate detection of engine knock and detonation
• Allows proper ignition timing adjustment by the ECU
• Helps maximise engine performance and fuel efficiency
• Protects pistons, valves, and other internal engine components from damage
• Reduces the risk of long-term engine wear caused by uncontrolled detonation
• Maintains emissions compliance and engine efficiency
• Prevents unnecessary engine management faults and warning lights
• Ensures reliable communication between the engine and ECU for optimum operation

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAC905377A

The product you are viewing cross references to these numbers

Rear Brake Pad Wear Sensor.

Restore reliable brake pad wear monitoring with this OE Match Rear Brake Pad Wear Sensor. Designed for compatible Porsche applications, this sensor forms part of the vehicle's brake monitoring system and helps alert the driver when the rear brake pads have reached their predetermined wear limit.

Fits:

• Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
• Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
• Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
• Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21
• Porsche 95B.3 Macan Petrol 2.0L (265Bhp) 2022>>
• Porsche 95B.3 Macan T Petrol 2.0L (265Bhp) 2022>>
• Porsche 95B.3 Macan S Petrol 2.9L V6 (380Bhp) 2022>>
• Porsche 95B.3 Macan GTS Petrol 2.9L V6 (440Bhp) 2022>>  

Diagram Ref No 7

The sensor is installed in conjunction with the rear brake pad assembly and connected to the vehicle's electrical monitoring circuit. As the brake pad friction material wears down, the sensor eventually reaches the brake disc. Once the sensor is worn through, the circuit changes and the vehicle can display a brake pad wear warning.

Brake wear sensors are often replaced at the same time as the brake pads. If a sensor has already contacted the brake disc, its sensing element may be permanently worn and unsuitable for reuse. Wiring, insulation and connectors can also deteriorate or become damaged during servicing.

This OE Match Rear Brake Pad Wear Sensor provides a replacement solution for a worn, damaged or defective sensor, helping restore correct operation of the brake pad wear warning system.

What This Product Does:

• Monitors the wear condition of the rear brake pads.
• Works with the vehicle's brake wear monitoring system.
• Helps trigger a dashboard warning when the pads reach their specified wear threshold.
• Alerts the driver that brake inspection and servicing are required.
• Helps prevent brake pad wear from going unnoticed.
• Provides an electrical connection between the brake assembly and monitoring system.
• Replaces a sensor that has been worn through during normal brake pad wear.
• Replaces damaged or defective sensor wiring. Helps restore correct brake wear warning functionality following brake servicing.
• Provides an OE Match alternative for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Brake pad wear warning displayed on the dashboard.
• Brake service warning remaining active after new pads have been installed.
• Sensor tip visibly worn through.
• Broken or damaged sensor wiring.
• Cracked or deteriorated cable insulation.
• Damaged electrical connectors.
• Intermittent brake pad wear warnings.
• Warning appearing when the brake pads still have adequate friction material.
• Wiring detached from its retaining clips.
• Sensor damaged during brake pad or disc replacement.
• Corrosion or contamination around the electrical connection.
• Diagnostic testing indicating a fault in the brake wear monitoring circuit.  

Why Replacement Matters:

• The brake pad wear sensor provides the driver with an important indication that brake servicing is required. If the sensor is damaged or the monitoring circuit is no longer functioning correctly, the vehicle may be unable to provide an accurate warning as the pads wear.
• Continuing to use brake pads beyond their service limit can eventually allow the pad backing material to contact the brake disc. This can damage the disc and potentially reduce braking performance, turning a routine pad replacement into a more extensive brake repair.
• Once a wear sensor has contacted the brake disc and triggered the warning, the sensing element may be physically worn through. Reusing that sensor with new pads can leave the warning system unable to function correctly.
• A damaged sensor can also create the opposite problem, causing a persistent warning even though the brake pads remain serviceable.
• Replacing a worn or defective component with this OE Match Rear Brake Pad Wear Sensor helps restore reliable brake pad monitoring and ensures the vehicle can provide the intended warning when future rear brake service is required.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95B907637F

The product you are viewing cross references to these numbers

Fog light switch, Yellow tip
The 901 613 503 20 is a dashboard-mounted mechanical or push-pull switch used in early Porsche 911 / 911S / 911L and 912 models (1960s era) to activate the front fog lights. It is often grouped with the rear-window heating and warning-light switches, depending on vehicle specification.

In use, pulling or pressing the switch completes the circuit for the fog lights, sending power (via fuse and relay) to the fog lamp units. The switch usually has an internal light (“light-pipe”) or indicator so you can tell when fog lights are active. 

Fits:

• Porsche 911 65-68 + 911S, 912 USA version 911L with yellow lighting strip
• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 912E 4CYL 1976  

Why / when it should be replaced

·         Even though the fog light switch is a relatively simple component, there are several reasons why it might need replacing:

·         Internal wear or contact failure. Over time, the internal contacts inside the switch can wear, corrode, or lose tension, leading to poor electrical contact. If that happens, the fog lights may not activate when the switch is engaged.

·         No illumination of the switch itself. On models where the switch includes a light-pipe or internal lamp so that you can see the switch position, failure of that internal illumination can make it harder to know whether the fog lights are on and may indicate internal switch failure.

·         Switch stuck or mechanically broken. The pull/knob mechanism may become sticky, stuck, or physically break, especially after decades of use, or due to heat/cockpit environment ageing. A switch that doesn’t move properly or won’t stay in the “on” position cannot reliably activate the fog lights.

·         Intermittent operation / flickering. Even if the switch appears to work, intermittent contact inside the switch might cause the fog lights to flicker, drop out, or not turn off properly.

·         Fuse or wiring feedback problems. In some cases, a failing switch can lead to blown fog-light fuses or feedback to wiring loops, especially if there is an internal short or poor contact. Replacing the switch may be required after troubleshooting electrical issues.

Diagram ref no 13

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90161350320

The product you are viewing cross references to these numbers

Coolant breather hose, RIGHT
OE Match right coolant breather hose for Porsche 996 Carrera 4S and 996 Turbo models. This replacement cooling system hose helps route coolant and air bleed flow correctly, supporting reliable cooling system operation.

Fits:
Porsche 996 C4S 3.6L 09/2001 - 2005
Porsche 996 TURBO 2000 - 2005
Porsche 996 GT2 2001 - 2005

Diagram ref no 11

The coolant breather hose helps manage coolant circulation and air bleeding within the cooling system. A correctly fitted hose helps prevent coolant leaks, trapped air, overheating issues, and poor cooling system performance.

Functions
•  Replaces the right coolant breather hose
•  Helps route coolant and air bleed flow correctly
•  Supports cooling system bleeding and circulation
•  Helps prevent coolant leaks from aged or split hoses
•  Supports stable engine operating temperature
•  Suitable for cooling system service or engine bay repai
•   OE Match replacement for Porsche 996 C4S and Turbo cooling systems.

Why Replace This Part?
Coolant hoses can harden, crack, swell, split, or leak due to age, heat cycles, coolant exposure, and engine bay conditions. A damaged breather hose may cause coolant loss, air pockets, overheating, visible leaks, coolant smell, or pressure loss. Replacing the hose helps restore correct cooling system integrity and reliability.

When to Replace This Part
•   Coolant leak is visible from the right-side hose area
•   Hose is cracked, swollen, brittle, split, or soft
•   Cooling system pressure loss is present
•   Coolant smell or residue is noticed in the engine bay
•   Overheating or trapped air symptoms are present
•   Cooling system service or engine repair is being carried out
•   Preventive hose replacement is required during restoration.

Where it fits on the car
This hose fits on the right side of the cooling system / engine bay coolant breather circuit on Porsche 996 C4S and 996 Turbo models.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99610613883

The product you are viewing cross references to these numbers

Radiator Water Fan, 400W, 370mm. 

Restore effective radiator airflow and dependable engine cooling with this OE Match Radiator Water Fan. Featuring a 400W motor and 370mm diameter, this electric cooling fan is designed for compatible Porsche cooling-system applications.

Fits:

• Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
• Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
• Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
• Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
• Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
• Porsche 9YA.2 Cayenne GTS V8 4.0L Bi-Turbo Petrol 2023>>
• Porsche 9YA.2 Cayenne GTS Coupe V8 4.0L Bi-Turbo 2023>>  

Diagram Ref No 13 and 14

The radiator fan is a critical part of a water-cooled engine's thermal management system. While airflow through the radiator naturally increases when the vehicle is moving, additional forced airflow is required when driving slowly, sitting in traffic or operating under conditions where natural airflow is insufficient. The electric fan draws or pushes air through the radiator as required, allowing heat to be transferred from the engine coolant to the surrounding air.

A worn or failed radiator fan can significantly reduce cooling efficiency, particularly at low road speeds. Problems can develop through motor wear, damaged fan blades, worn bearings, electrical faults or physical damage to the assembly.

This OE Match 400W, 370mm Radiator Water Fan provides a high-quality replacement for a defective original unit, helping restore controlled coolant temperatures and reliable cooling-system performance.

What This Product Does:

• Provides forced airflow through the radiator.
• Uses a 400W electric motor.
• Features a 370mm fan diameter.
• Helps remove heat from the engine coolant.
• Supports correct engine operating temperature.
• Provides additional cooling when vehicle speed is low.
• Helps maintain cooling performance when stationary in traffic.
• Supports cooling during demanding operating conditions.
• Works with the vehicle's cooling-system controls and temperature management strategy.
• Helps reduce the risk of overheating caused by inadequate radiator airflow.
• Replaces a worn, noisy, damaged or failed radiator fan.
• Provides an OE-style replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Engine temperature rising when stationary or in slow-moving traffic.
• Cooling performance improving once vehicle speed increases.
• Engine temperature becoming higher than normal.
• Radiator fan failing to operate when required.
• Fan operating intermittently.
• Fan rotating more slowly than expected.
• Unusual grinding, scraping or rattling noises.
• Excessive vibration from the fan assembly.
• Squealing or bearing noise from the fan motor.
• Damaged, cracked or broken fan blades.
• Fan blades contacting the surrounding housing or shroud.
• Fan motor overheating or failing electrically.
• Cooling-system or fan-related warning messages.
• Diagnostic fault codes relating to cooling fan operation.  

Why Replacement Matters:

• Maintaining the correct engine operating temperature is essential for performance, reliability and engine longevity. The radiator can only dissipate heat effectively when sufficient air passes through its cooling fins.
• At motorway speeds, vehicle movement generally provides substantial airflow. At idle or in slow traffic, however, the electric radiator fan becomes much more important. If the fan is unable to operate correctly, coolant temperature can rise rapidly despite the rest of the cooling system being functional.
• Repeated or severe overheating can have serious consequences. Excessive temperature can damage seals and gaskets, accelerate deterioration of cooling-system components and, in extreme circumstances, contribute to cylinder-head or engine damage.
• A damaged fan blade or worn motor bearing should also be addressed promptly. Excessive vibration can place additional stress on the fan assembly and surrounding components, while a damaged blade may eventually contact the shroud or fail completely.
• Replacing a defective unit with this OE Match Radiator Water Fan helps restore reliable radiator airflow, stable coolant temperatures and dependable engine cooling.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB959455

The product you are viewing cross references to these numbers

Engine Cover.

Restore the correct engine compartment protection, airflow management and original-style appearance with this OE Match Engine Cover. Designed for compatible Porsche applications, this component forms part of the engine's surrounding cover and cooling-air management system.

Fits:

• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50  

Diagram Ref No 3

On an air-cooled Porsche engine, engine covers and surrounding tinware perform an important function beyond simply providing a finished appearance. These components help guide cooling air through the intended areas of the engine and separate hot and cool zones within the engine compartment.
The engine cover is exposed to continuous heat cycles, vibration, moisture and contamination. Over time, an original component can become corroded, distorted, cracked or damaged around its mounting points. Covers may also be lost or incorrectly fitted during previous engine repairs or restoration work.
This OE Match Engine Cover provides a high-quality replacement for a damaged, corroded, missing or unsuitable original component, helping restore the integrity of the engine's cover arrangement.

What This Product Does:

• Forms part of the engine's surrounding cover and tinware system.
• Helps manage airflow around the engine.
• Supports the correct routing of cooling air on applicable air-cooled engines.
• Helps separate different temperature zones within the engine compartment.
• Closes gaps that could allow cooling air to escape from its intended path.
• Provides protection for associated engine areas.
• Helps reduce exposure to dirt and debris.
• Supports correct installation of surrounding engine tinware and seals.
• Helps maintain a clean and complete engine compartment appearance.
• Replaces a corroded, bent, damaged or missing engine cover.
• Provides an OE-style replacement for compatible Porsche applications.  

Symptoms Of Wear Or Failure:

• Visible rust or corrosion.
• Corrosion perforating the cover.
• Cracks or splits in the component.
• Bent or distorted sections.
• Damaged mounting holes or fixing points.
• Loose or missing fasteners.
• Rattling or vibration from the engine cover.
• The cover no longer fitting correctly against adjacent components.
• Unwanted gaps in the engine tinware.
• Evidence that the original cover is missing.
• An incorrect component fitted during previous repairs.
• Damage discovered during engine removal or rebuilding.
• Deterioration affecting the appearance of the engine compartment.  

Why Replacement Matters:

• Air-cooled engines rely heavily on correctly managed airflow to control operating temperature. The various engine covers, air guides, seals and pieces of tinware work together to ensure cooling air travels through the intended areas.
• If an engine cover is missing, badly distorted or incorrectly installed, unwanted gaps may allow cooling air to escape or hot air to circulate where it should not. Maintaining the complete engine tinware arrangement therefore helps the cooling system perform as designed.
• A damaged cover can also create mechanical issues. Loose or distorted sections may vibrate against surrounding components, producing rattling noises and potentially causing further wear.
• Corrosion is particularly relevant on older vehicles. Moisture can gradually weaken the cover, especially around mounting points and edges. Once these areas deteriorate significantly, the component may no longer remain securely positioned.
• For a restored classic Porsche, correctly fitted engine covers are also important to the overall presentation of the engine compartment. Missing, heavily corroded or incorrectly shaped components can detract from an otherwise high-quality restoration.
• Replacing a deteriorated component with this OE Match Engine Cover helps restore the completeness of the engine cover system, support proper cooling-air management and maintain an original-style engine compartment finish.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010608901

The product you are viewing cross references to these numbers