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Air Mass/Flow Sensors
By OE Match
- 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 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
.jpg?width=197 "Air mass / flow sensor. Porsche 996 / 997 / 997 MKII / Boxster 986 - 0280218055, 98660612501, 98660612500, 0280218055, 98660612502")
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- 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 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
Fits:
Porsche Boxster 2.7L from
Chassis number 98YS6 02146>>
Porsche Boxster 3.2L from
Chassis number 98YS6 42001>>
Porsche 996 3.6cc 2002>>
Porsche 997 C2 / C4 3.6L, 3.8L
Porsche 997 MKII 2009>>
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.
98660612502
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
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
-
air cleaner for 997.1 M97.01 3.8L COUPE S / CABRIO S 2005-08 106-00
-
air cleaner for 997.1 M97.01 3.8L COUPE S / CABRIO S 2005-08 106-01
-
air cleaner for 997.1 TURBO/GT2 M97.70 2007-09 and 997.1 GT2 RS M97.70 2011 106-00
-
air cleaner 997 GT3 M97.76 2007-09 106-00
-
air cleaner 997 GT3 / GT3 RS M97.77 2010-11 106-01
OEMatch Air Mass/Flow Sensors — Fit, Function, Confidence
Air mass and airflow sensors measure the volume and density of intake air and provide the engine control unit with data to set fuel delivery. OEMatch supplies replacement air mass/flow sensors for Porsche models, chosen for model compatibility to help restore accurate air measurement and reliable running.
Available Types
- Hot-wire mass air flow sensors
- Integrated air mass sensors with intake air temperature sensing
- Replacement modules compatible with common Porsche ECU connectors
Understanding OEMatch Air Mass/Flow Sensors
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original air mass/flow sensors. OE (Original Equipment) refers to parts matching original specifications for the air mass/flow sensors and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM air mass/flow sensors engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Air mass sensors detect incoming airflow and density and send this information to the ECU so it can calculate the correct air–fuel mixture; accurate measurement supports smooth running across load and temperature ranges.
Benefits Include
- Restored throttle response and smoother acceleration
- Improved fuel metering for more consistent running
- Reduced risk of drivability issues linked to incorrect air readings
Why Air Mass/Flow Sensors Wear and Fail
- Contamination from dirt, oil vapour or filter residue coating sensing elements
- Electrical faults, corrosion or damaged wiring and connectors
- Heat-related degradation of sensor electronics over time
- Air leaks downstream of the sensor causing incorrect readings
The Importance of Replacing with OEMatch Air Mass/Flow Sensors
Replacing a faulty air mass sensor restores accurate airflow measurement, which helps maintain proper fuel delivery and engine response. Timely replacement can prevent secondary faults and reduce the risk of prolonged poor running that may affect other engine systems. Select parts that match connector type and mounting to ensure straightforward fitting.
Advantages
- Direct-fit replacements made to original-spec dimensions and tolerances
- Electrical and connector compatibility for common Porsche models
- A practical supply option to support maintenance and repairs
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified. If you are unsure about wiring or sensor calibration, seek professional installation.
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