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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
The OE Match Throttle Body is a high-quality replacement air intake component designed to regulate the volume of air entering the engine for precise fuel delivery and optimum engine performance. Manufactured to OE specifications for fit, airflow characteristics and durability, this throttle body ensures smooth throttle response, stable idle speed and efficient engine operation.
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 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 TURBO 2000-05
- Porsche Carrera GT 2003-06
Diagram Ref No 1
Featuring a precision-machined throttle valve, durable housing and integrated electronic or mechanical control interfaces (depending on vehicle application), the throttle body accurately controls airflow based on accelerator pedal input and engine management system demands. Designed to withstand continuous operation in demanding engine bay conditions, it provides reliable performance and seamless compatibility with the vehicle's engine management system.
What This Product Does:
- Regulates the amount of air entering the engine.
- Controls engine power output in response to throttle input.
- Supports accurate fuel and air mixture.
- Maintains stable idle speed.
- Improves throttle response and engine drivability.
- Helps optimise fuel economy and exhaust emissions.
- Communicates with the engine management system for precise airflow control.
- Forms a critical part of the engine intake and fuel management system.
Symptoms Of Wear Or Failure:
- Rough or unstable idle.
- Hesitation during acceleration.
- Poor throttle response.
- Engine warning light illumination.
- Reduced engine power or limp-home mode.
- Sticking or binding throttle valve.
- Fluctuating engine speed.
- Increased fuel consumption.
- Difficulty starting the engine.
- Diagnostic fault codes relating to the throttle control system.
Why Replacement Matters:
- The throttle body is continuously exposed to airflow, carbon deposits, oil vapours and engine heat. Over time, contamination can restrict throttle valve movement, while internal components or electronic actuators may wear or fail, affecting airflow control and engine performance.
- A faulty throttle body can lead to poor acceleration, unstable idle, increased fuel consumption and reduced overall drivability. In more severe cases, the engine management system may activate limp-home mode to protect the engine, significantly limiting vehicle performance.
- Replacing a worn or malfunctioning throttle body restores precise airflow control, improves engine response and helps ensure smooth, efficient operation. An OE Match replacement provides factory-style fitment, dependable performance and long-lasting durability, helping maintain the power, efficiency and driving experience expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98660511501
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.
