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Air Mass/Flow Sensors
Fits:
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
A mass airflow sensor is used to determine the mass of air entering an electronically fuel-injected engine. The air mass information is necessary for the engine control unit (ECU) to calculate and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature and altitude, and this is an ideal application for a mass sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760612501
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Fits:
Porsche 997 Turbo MKI
Porsche 997 Turbo MKII
Porsche 997 GT3 MKII
Porsche 957 Cayenne Turbo V8 4.8L MKII
A mass airflow sensor is used to determine the mass of air entering an electronically fuel-injected engine. The air mass information is necessary for the engine control unit (ECU) to calculate and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature and altitude, and this is an ideal application for a mass sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760612501
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 997 Turbo MKI
Porsche 997 Turbo MKII
Porsche 997 GT3 MKII
Porsche 957 Cayenne Turbo V8 4.8L MKII
A mass airflow sensor is used to determine the mass of air entering an electronically fuel-injected engine. The air mass information is necessary for the engine control unit (ECU) to calculate and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature and altitude, and this is an ideal application for a mass sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760612501
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
OE Match air mass / flow sensor for Porsche 997 Turbo, 997 GT3, and 957 Cayenne Turbo MKII models. This replacement sensor fits left or right side applications and helps measure intake air flow for correct engine management and performance.
Sold individually. Quantity required depends on model and intake layout. For vehicles using left and right sensors, 2 may be required per vehicle.
Fits:
Porsche 997 Turbo MKI
Porsche 997 Turbo MKII
Porsche 997 GT3 MKII
Porsche 957 Cayenne Turbo V8 4.8L MKII
The air mass / flow sensor measures the amount of air entering the engine intake system. This information is sent to the engine control unit, allowing it to adjust fuelling, ignition, boost control, and overall engine performance.
Functions
• Replaces the air mass / flow sensor
• Measures incoming intake air flow
• Sends air flow data to the engine control unit
• Helps support correct fuel mixture and engine performance
• Assists with smooth idle, throttle response, and emissions control
• Fits left and right side applications where specified
• OE Match replacement for Porsche intake and engine management repair.
Why Replace This Part?
Air mass / flow sensors can fail due to age, contamination, oil vapour, air filter debris, moisture, electrical faults, or damaged intake components. A faulty sensor may cause poor idle, hesitation, reduced power, increased fuel consumption, engine warning lights, rough running, or incorrect boost and fuelling behaviour. Replacing the sensor helps restore accurate air measurement and reliable engine performance.
When to Replace This Part
• Engine warning light or air flow sensor fault codes are present
• Idle is rough, unstable, or uneven
• Throttle response is poor or delayed
• Engine power is reduced
• Fuel consumption has increased
• Hesitation, flat spots, or poor acceleration are present
• Intake system or engine management faults are being diagnosed.
Where it fits on the car
This sensor fits in the engine intake air system. It can be used on the left or right side where applicable, depending on model and intake layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760612501
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
<>Fits:
Porsche 997 Turbo 2007-09
Porsche 997 Turbo 2010-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970108940
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
Shop Securely
12 Month Warranty
Worldwide Delivery
Reconditioned Cruise control switch.
Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £139.00 will be held and then refunded when the old one is returned.
Fits:
Porsche 997 1998-05
For cars with Automatic speed control (I454)
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
997613261X01C
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
Shop Securely
12 Month Warranty
Worldwide Delivery
Air Mass Sensors – Precision Airflow Measurement for Porsche Performance
Air mass sensors (also known as mass air flow sensors or MAF sensors) are critical components in your Porsche’s engine management system. They measure the exact volume and density of air entering the engine, allowing the ECU to calculate the correct air-fuel mixture for efficient combustion, performance, and emissions control.
At Design911, we offer a comprehensive range of genuine and high-quality air mass sensors for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each sensor is designed for precision accuracy, responsive measurement, and long-term reliability — ensuring smooth power delivery, optimal fuel economy, and consistent engine performance.
What Do Air Mass Sensors Do?
The air mass sensor monitors the flow of
incoming air to the engine and sends data to the vehicle’s ECU (Engine Control
Unit). Its main functions include:
- Measuring air intake to calculate the optimal air-fuel ratio.
- Ensuring efficient combustion for performance and emissions compliance.
- Supporting fuel economy by adjusting fuel delivery based on driving conditions.
- Maintaining smooth engine operation under all loads and temperatures.
A properly functioning MAF sensor ensures your
Porsche delivers the responsiveness, efficiency, and precision it was
engineered for.
Why Do Air
Mass Sensors Fail?
Air mass sensors are delicate electronic
components and can degrade over time due to contamination, wear, or electrical
issues. Common causes of failure include:
- Contamination from dirt, oil vapour, or air filter residue coating the sensor wire.
- Electrical faults or corrosion in the wiring harness or connectors.
- Sensor burnout due to prolonged high temperatures.
- Air leaks downstream of the sensor causing incorrect readings.
- Use of low-quality air filters or poor servicing introducing debris into the intake.
Symptoms of a failing air mass sensor include rough idling, reduced power, poor acceleration, increased fuel consumption, or an illuminated engine warning light.
Why Replace a Faulty Air Mass Sensor?
A faulty or inaccurate MAF sensor can severely impact your Porsche’s performance, leading to poor drivability, high fuel use, and potential damage to other engine components. Replacing it restores proper airflow measurement and engine efficiency.
Benefits of replacement include:
- Restored throttle response and smooth power delivery.
- Optimised fuel economy and emissions control.
- Prevention of stalling, hesitation, or misfires.
- Reliable, manufacturer-quality sensor performance and lifespan.
All air mass sensors supplied are made to meet or exceed exacting engineering standards, using advanced materials and sensor technology for precision airflow measurement and long-lasting durability.
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Saturday: Closed
Sunday: Closed