Throttle Body / Plenum Chamber

Hexagon head bolt M6 x 40. 

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 996 - 1998 to 2005
Porsche 996 turbo / GT3 - 2000 to 2005
Porsche 997 GT3 - 2007 to 2012

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90037802901

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Intake manifold set GT3 style. 
Sold as a pair



Fits:
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 996 - 1997 to 2005

Introducing the Silverlake Porsche 911 GT3-style intake manifolds, designed for both ITB (Individual Throttle Bodies) or DBW (Drive-By-Wire) applications. These manifolds are compatible with air-cooled and water-cooled Porsche engines, offering a lightweight and high-performance alternative to the OEM cast aluminum version.

Available in two advanced materials: temperature-cured carbon fiber prepreg or glass fiber-reinforced thermoplastic, each plenum weighs just 825 grams (1.8 lbs), significantly lighter than the 2400 grams (5.3 lbs) of the stock aluminum version. This results in a total weight reduction of 3.15 kg (7 lbs) per pair — a 65% savings compared to the original.

Engineered and flow bench tested to ensure optimal airflow volume, the carbon fiber version features a matte finish, while the thermoplastic model comes painted in black, with the option for custom repainting. Both versions are free of logos, providing a clean, personalized look.

The kit includes two manifolds/plenums, the high-temperature silicone couplers are available separately.

This product replaces Porsche part 99611061996

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99611061996

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Throttle Body 74 mm



Fits:
Porsche 996 Carrera 3.4L / 3.6L (cars with Electronic accelerator)
Porsche 987.1 Boxster 2.7L / S 3.2L/3.4L 2007-08
Porsche 987.2 Boxster 2.9L / S 3.4L 2009-12
Porsche 981 Boxster / Boxster Spyder 2012-16

Porsche 987C.1 Cayman 2.7L / S 3.4L 2006-08
Porsche 987C.2 Cayman 2.9L / S 3.4L 2009-12
Porsche 981C Cayman / Cayman GT4 2014-16

Porsche 997.1 Carrera 3.6L / Carrera S 3.8L 2005-08
Porsche 997.1 Turbo/GT2 3.6L 2007-11
Porsche 997.2 Turbo / Turbo S 3.8L 2010-13

Porsche 991.1 Turbo 3.8L 2014-16

Porsche 955 Cayenne 3.2L 2004-05
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2012-18

Porsche 95B Macan S 3.0L / Turbo 3.6L 2014-18

Porsche 970 Panamera 3.6L 2010-16

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99760511502

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Throttle Body 74 mm



Fits:
Porsche 996 Carrera 3.4L / 3.6L (cars with Electronic accelerator)
Porsche 987.1 Boxster 2.7L / S 3.2L/3.4L 2007-08
Porsche 987.2 Boxster 2.9L / S 3.4L 2009-12
Porsche 981 Boxster / Boxster Spyder 2012-16

Porsche 987C.1 Cayman 2.7L / S 3.4L 2006-08
Porsche 987C.2 Cayman 2.9L / S 3.4L 2009-12
Porsche 981C Cayman / Cayman GT4 2014-16

Porsche 997.1 Carrera 3.6L / Carrera S 3.8L 2005-08
Porsche 997.1 Turbo/GT2 3.6L 2007-11
Porsche 997.2 Turbo / Turbo S 3.8L 2010-13

Porsche 991.1 Turbo 3.8L 2014-16

Porsche 955 Cayenne 3.2L 2004-05
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2012-18

Porsche 95B Macan S 3.0L / Turbo 3.6L 2014-18

Porsche 970 Panamera 3.6L 2010-16

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99760511502

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Throttle Body 74 mm



Fits:
Porsche 996 Carrera 3.4L / 3.6L (cars with Electronic accelerator)
Porsche 987.1 Boxster 2.7L / S 3.2L/3.4L 2007-08
Porsche 987.2 Boxster 2.9L / S 3.4L 2009-12
Porsche 981 Boxster / Boxster Spyder 2012-16

Porsche 987C.1 Cayman 2.7L / S 3.4L 2006-08
Porsche 987C.2 Cayman 2.9L / S 3.4L 2009-12
Porsche 981C Cayman / Cayman GT4 2014-16

Porsche 997.1 Carrera 3.6L / Carrera S 3.8L 2005-08
Porsche 997.1 Turbo/GT2 3.6L 2007-11
Porsche 997.2 Turbo / Turbo S 3.8L 2010-13

Porsche 991.1 Turbo 3.8L 2014-16

Porsche 955 Cayenne 3.2L 2004-05
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2012-18

Porsche 95B Macan S 3.0L / Turbo 3.6L 2014-18

Porsche 970 Panamera 3.6L 2010-16

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99760511502

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Throttle Body 82mm for Porsche



Fits:
Porsche 918 Spyder 2015 (requires 2 per engine)
Porsche 957 Cayenne GTS 4.8L (engine 48.01+)
Porsche 958 Cayenne S / GTS 4.8L (engine code 48.52)
Porsche 970 Panamera S/ GTS 4.8L (engine codes  48.20 / 48.40 / CXPA / CXRA / CXR)
Porsche 991.1 Carrera C2 / C2S / C4 / C4S
Porsche 997.2 Carrera C2 / C2S / C4 / C4S 3.6L & 3.8L engines
Porsche 997 GT3 3.8L 2007 >> (engines 97.76)
Porsche 997 GT3 3.8L & 4.0L 2009 >> (engines 97.74 / 97.77)
Porsche 997 GT3 3.8L 2007 >> (engines 97.76)
Porsche 991 GT3 / R 3.8L & 4.0L (engines A175 / DGG / DGA / DGGB)
Not for GT3 RS

Will also fit to many other Porsches fitted with oversized 82mm IPD plenums.

In fuel injected engines, the throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main. The throttle body is usually located between the air filter box and the intake manifold, and it is usually attached to, or near, the mass airflow sensor.

The largest piece inside the throttle body is the throttle plate, which is a butterfly valve that regulates the airflow. Have a larger diameter throttle body produces more air flow with equals more power. The upgrades should be used in conjunction with the competition plenums.


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99760511601

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Throttle body. Size: 68mm



Fits:
Porsche 986 Boxster 2.7L / S 3.2L 2000-04

Porsche 987 Boxster 2.7L / 3.2L 08/2004 - 07/2006
Engine codes M96.25 / M96.26

Porsche 996 Turbo 2001-05

Porsche Carrera GT 2004-06

Click 'Zoom in' for large parts diagram.
Diagram ref no 1.

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98660511501

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Throttle Body.
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.

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98660511501

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Throttle Body 76 mm



Fits:
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
Porsche 957 Cayenne S / GTS / Trubo 4.8L 2007-10
Porsche 958 Cayenne Turbo 4.8L 2011-18
Porsche 970 Panamera Turbo 4.8L 2010-16
Porsche 996 3.6L GT3 / GT3 RS 2004-05

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94860511504

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Throttle position switch.



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

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99660611600

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Throttle position switch.



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

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99660611600

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