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Throttle Body / Plenum Chamber
By OE Match
- 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 Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 TURBO 2000-05
- Porsche Carrera GT 2003-06
Fits:
- · 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 Boxster 987 2.7L 08/2004 - 07/2006 Engine codes M96.25 / M96.26
- · Porsche Boxster 987 S 3.2/3.4L 08/2004 - 07/2006 Engine codes M96.25 / M96.26
- · Porsche 996 TURBO 2000-05
- · Porsche Carrera GT
Common Symptoms of a Faulty Throttle Body
1. Poor Acceleration or Hesitation
If your vehicle struggles to accelerate or hesitates when you press the gas
pedal, the throttle body could be to blame. A sticking or malfunctioning
throttle plate may not open or close properly, restricting airflow and
affecting engine response.
2. Rough Idle or Stalling
A dirty or failing throttle body can disrupt the air-fuel balance, leading to a
rough idle or even engine stalling—especially when stopping or driving at low
speeds.
3. Check Engine Light
A malfunctioning throttle body often triggers the Check Engine Light.
Diagnostic Trouble Codes (DTCs) related to the throttle position sensor or
airflow system may appear, signalling issues that need professional attention.
Click 'Zoom in' for large parts diagram.
Diagram ref no 1.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98660511501
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- 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 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- 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 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 GT3 1999>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660611600
The product you are viewing cross references to these numbers
OEMatch Throttle Body / Plenum Chamber — Fit, Function, Confidence
Throttle bodies and plenum chambers control and distribute the air entering your Porsche’s engine, affecting throttle response, combustion and drivability. OEMatch Throttle Body / Plenum Chamber components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when original parts are unavailable, and are selected for Porsche models.
Available Types
- Replacement throttle bodies and intake plenums for a range of Porsche models and engine types
Understanding OEMatch Throttle Body / Plenum Chamber
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original throttle body and plenum chamber.
OE (Original Equipment) refers to parts matching original specifications for the throttle body and plenum chamber and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM throttle body and plenum chamber alternatives engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
These components regulate airflow and help ensure each cylinder receives a balanced mixture, supporting steady idle, responsive throttle lift and predictable engine behaviour across the rev range. OEMatch maintains a large Porsche-focused catalogue, with thousands of part references and cross-references, to help match the right item to specific model years and engine variants.
Benefits Include
- Restored throttle response and improved drivability
- Smoother idling and more consistent engine behaviour
- Accurate air distribution for reliable combustion and fuel metering
Why Throttle Body / Plenum Chamber Wear and Fail
- Carbon and oil deposits that restrict airflow or impede the throttle plate
- Electronic faults in throttle actuators or position sensors causing erratic control
- Air leaks from degraded seals, gaskets or cracked housings that upset mixture and idle stability
The Importance of Replacing with OEMatch Throttle Body / Plenum Chamber
A worn or damaged throttle body or plenum chamber can reduce engine efficiency and responsiveness, trigger diagnostic warnings, and affect fuel use and emissions. Replacing compromised components restores accurate airflow control and helps maintain the intended performance characteristics of Porsche engines. Choosing items selected for Porsche applications also aids correct fitment, sensor compatibility and servicing procedures.
Advantages
- Parts selected for Porsche models to match mounting points and interfaces
- Extensive part coverage and cross-reference data to support correct identification
- Options that reflect original specifications while offering practical replacement choices
Support & Advice
These items affect engine control and, where fitted, electronic sensors and actuators. Installation should follow model-specific procedures and recommended torque settings. If you are unsure about required recalibration, sensor handling or diagnostic steps, seek professional fitting from a technician with Porsche experience.
