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Porsche > Macan (95B) MK2 2019-2021 > Engine Rebuild Parts > Air Intake & Injection >

Switches / Regulators / Sensors

Switches / Regulators / Sensors

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DISPLAYING 1 to 3 (of 3 products)
Boost pressure sensor. Porsche 958 Cayenne Diesel / 95B Macan / 970.1 Panamera Diesel - 03G906051E - 6PP 358 152-251
4
Boost pressure sensor. Porsche 958 Cayenne Diesel / 95B Macan / 970.1 Panamera Diesel
03G906051E/1
Product Information
Product Information
Boost pressure sensor

hella

Fits:
Porsche 958 Cayenne Diesel 3.0ltr V6 - 2015 to 2017
Porsche 95B.1 Macan S Diesel - 2014 to 2018
Porsche 95B.1 Macan 2.0ltr - 2014 to 2018
Porsche 95B.2 Macan 2.0ltr - 2018 to 2021
Porsche 970.1 / 970.2 Panamera Diesel 3.0ltr - 2012 to 2016 (Engine codes CRCC / CRCB)

Click 'Zoom in' for large parts diagram.
Diagram ref no 10




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Related, superseded, cross reference or alternative numbers for comparison.

03G906051E
03G906051E

The product you are viewing cross references to these numbers
Boost Pressure Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 982 / 992.2 / 9YA / 9YA.2 - PAC906051C
2
Boost Pressure Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 982 / 992.2 / 9YA / 9YA.2
Special Order item
PAC906051C
Product Information
Product Information
Boost Pressure Sensor.

The Boost Pressure Sensor is a high-quality engine management component designed to monitor intake manifold and turbocharger boost pressure within the engine's forced induction system. The sensor continuously measures air pressure levels and transmits precise data to the engine control unit (ECU), enabling accurate control of turbocharger output, fuel injection, ignition timing, and overall engine performance.

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Diagram Ref No 3

Manufactured to Porsche quality standards, the sensor is engineered to provide fast, accurate pressure readings in demanding engine environments. It plays a critical role in maintaining optimal turbocharger efficiency, engine responsiveness, fuel economy, and emissions compliance.

What This Product Does:

  • Measures boost and intake manifold pressure in real time
  • Sends pressure data to the engine control unit (ECU)
  • Helps regulate turbocharger boost levels
  • Supports accurate fuel injection and ignition timing adjustments
  • Optimises engine performance, efficiency, and emissions
  • Protects the engine from overboost or incorrect pressure conditions

Symptoms Of Wear Or Failure:
  • Reduced engine power or acceleration
  • Turbocharger underboost or overboost conditions
  • Engine entering limp-home mode
  • Check engine light illumination
  • Poor throttle response Increased fuel consumption
  • Erratic engine performance or hesitation
  • Boost pressure-related fault codes stored in the ECU

Why Replacement Matters:
  • Restores accurate boost pressure monitoring
  • Ensures correct turbocharger operation and boost control
  • Improves throttle response and engine performance
  • Supports fuel efficiency and emissions compliance
  • Prevents unnecessary strain on turbocharger and engine components
  • Reduces the risk of limp mode activation and ECU faults
  • Maintains reliable communication between the sensor and engine management system
  • Helps preserve the performance, reliability, and driving characteristics of the vehicle



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

PAC906051C
PAC906051C

The product you are viewing cross references to these numbers
Boost Pressure Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 982 / 992.2 / 9YA / 9YA.2 - PAC906051C - 0261232030
2
Boost Pressure Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 982 / 992.2 / 9YA / 9YA.2
PAC906051C/1
Product Information
Product Information
Boost Pressure Sensor.

The Boost Pressure Sensor is a BOSCH quality engine management component designed to monitor intake manifold and turbocharger boost pressure within the engine's forced induction system. The sensor continuously measures air pressure levels and transmits precise data to the engine control unit (ECU), enabling accurate control of turbocharger output, fuel injection, ignition timing, and overall engine performance.

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  • Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • 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
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  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
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  • 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>>
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  • 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 976 Panamera V6 2.9L 2023>>
  • Porsche 976 Panamera 4 V6 2.9L 2023>>
  • 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 
 
Diagram Ref No 3

This BOSCH sensor is engineered to provide fast, accurate pressure readings in demanding engine environments. It plays a critical role in maintaining optimal turbocharger efficiency, engine responsiveness, fuel economy, and emissions compliance.

What This Product Does:

  • Measures boost and intake manifold pressure in real time
  • Sends pressure data to the engine control unit (ECU)
  • Helps regulate turbocharger boost levels
  • Supports accurate fuel injection and ignition timing adjustments
  • Optimises engine performance, efficiency, and emissions
  • Protects the engine from overboost or incorrect pressure conditions

Symptoms Of Wear Or Failure:
  • Reduced engine power or acceleration
  • Turbocharger underboost or overboost conditions
  • Engine entering limp-home mode
  • Check engine light illumination
  • Poor throttle response Increased fuel consumption
  • Erratic engine performance or hesitation
  • Boost pressure-related fault codes stored in the ECU

Why Replacement Matters:
  • Restores accurate boost pressure monitoring
  • Ensures correct turbocharger operation and boost control
  • Improves throttle response and engine performance
  • Supports fuel efficiency and emissions compliance
  • Prevents unnecessary strain on turbocharger and engine components
  • Reduces the risk of limp mode activation and ECU faults
  • Maintains reliable communication between the sensor and engine management system
  • Helps preserve the performance, reliability, and driving characteristics of the vehicle



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

PAC906051C
PAC906051C

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Switches / Regulators / Sensors

Air Intake Switches, Regulators & Sensors – Precision Control for Porsche Engine Efficiency

Air intake switches, regulators, and sensors are critical components in your Porsche’s engine management system, designed to monitor, control, and optimise the airflow entering the engine. These parts ensure precise fuel-air mixture regulation, allowing for efficient combustion, smooth performance, and compliance with modern emissions standards.

At Design911, we offer a complete range of genuine and high-quality air intake sensors, pressure regulators, and switches for numerous Porsche models, including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each component is engineered to deliver accuracy, reliability, and seamless integration with your vehicle’s electronic control systems.

What Do Air Intake Switches, Regulators & Sensors Do?

These components are essential for maintaining the correct balance between air and fuel delivery. They perform several vital functions, including:

  • Monitoring airflow and pressure to regulate combustion efficiency.
  • Sending data to the ECU (engine control unit) for precise timing and fueling adjustments.
  • Ensuring smooth throttle response and stable idling.
  • Maintaining emission control by optimising air-fuel ratios under all conditions.

Together, they help your Porsche achieve maximum performance, fuel economy, and emissions compliance — whether under everyday driving or high-performance conditions.

Why Do Air Intake Switches, Regulators & Sensors Fail?

Over time, these components can degrade due to heat, vibration, or contamination. Common causes of failure include:

  • Carbon or oil buildup on sensor tips affecting readings.
  • Electrical failures from wiring corrosion or connector damage.
  • Mechanical wear in regulators or valves.
  • Vacuum leaks causing inaccurate air pressure readings.
  • Exposure to moisture leading to corrosion or short circuits.

Symptoms of failure include erratic idling, reduced power, poor fuel economy, engine misfires, or a check engine light triggered by faulty airflow data.

Why Replace Faulty Air Intake Components?

A malfunctioning air intake sensor or regulator can lead to incorrect air-fuel mixtures, reduced performance, and increased emissions. Replacing these components ensures your Porsche runs smoothly, efficiently, and safely.

Benefits of replacement include:

  • Restored power and throttle responsiveness.
  • Improved combustion efficiency and reduced emissions.
  • Reliable ECU communication and consistent performance.
  • Long-term durability with manufacturer-quality precision.

Our selection of intake regulators, pressure sensors, and switches are built with advanced electronics, corrosion-resistant materials, and precision calibration, ensuring reliable performance in all Porsche models.

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