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Turbo Chargers / Intercoolers & Parts

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DISPLAYING 17 to 23 (of 23 products)
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99612300010
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Turbo Charger Actuators (set of 2) for Porsche 996 Turbo / 996 GT2

forge

These replacement actuators utilise the latest piston design to irradicate the failures often associated with diaphragm actuators and are supplied complete with brackets ready to install.

Please Note
This product is assembled with Green springs - Standard Psi suitable for at or slightly above factory boost levels.

Additional springs are required for tuning to custom boost levels.

Yellow springs - 1 Bar = 9 - 15Psi
Blue springs - 1.2 Bar = 14 - 18Psi
Red springs - 1.4 Bar = 17.5 - 20Psi

Fit:
Porsche 996 Turbo
Porsche 996 GT2

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99612300010
99612311572
99612311672

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99612398
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Porsche 996 GT2 - 3.6 Twin Turbo 2000->
Units listed are direct the standard KKK K24 Turbochargers,

Part No. 5324-970-7005 – Porsche Part No. 99612398371. L/H
Part No. 5324-970-7006 – Porsche Part No. 99612398471. R/H

STAGE 1 Hybrid

These hybrid turbos are a direct installation in replacement of your factory turbos. Much larger then the factory GT2 turbos found on the standard 996 GT2. The K24 Turbos can handle over 700 crank horsepower. Unlike most turbos on other vehicles, you will not sacrifice low end horsepower or torque, however gain a larger amount in the mid range and top end.

High flow Spec 5 blade compressor wheel - CNC re-profiled compressor housing – 360 degree thrust bearing – left & right hand thread shaft & wheel with cut back blades– twin high temperature exhaust piston ring seals fitted.

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.

Approx achievable output - 650-700 bhp with the correct ECU re-map
These set should only be fitted by engine builders or tuners as other performance parts may be required

The prices listed are for turbo chargers supplied on an exchange basis. Your Turbo charger must be a serviceable unit. If required on an out right purchase (if you have no old unit available), please ask for quotation.
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99611061371
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Turbocharger Intake Manifold Gasket.


porsche

Fits:
Porsche 996 Turbo/GT2 2001-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 18



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99611061371
99611061371

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99612398
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Turbocharger K24.

porsche

Fits:
Porsche 996 GT2 M96/70 S 2000/09/01>>
Porsche 996 Turbo S M96/70 S 2004/08/01>> X50

Click 'Zoom in' for large parts diagram.
Diagram ref no 1 (Left, cyl. 1-3) and 2 (Right, cyl. 4-6)

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99612398
99612398371
99612398372
99612398471
99612398472

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99612398
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Standard replacement turbocharger.
Units listed are direct replacements for the standard KKK K24 Turbochargers.

borgwarner

Fits:
Porsche 996 GT2 M96/70 S 2000/09/01>>
Porsche 996 Turbo S M96/70 S 2004/08/01>>

REPLACEMENT
These turbos are a direct installation in replacement of your factory turbos. 

Click 'Zoom in' for large parts diagram.
Diagram ref no 1 (Left, cyl. 1-3) and 2 (Right, cyl. 4-6)

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99612398
53249887006
53249887005
99612398371
99612398372
99612398471
99612398472

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99311033751
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Turbocharger Shut-off Valve.

porsche

Fits:
Porsche 964 Turbo 1991-94
Porsche 993 Turbo 1995-98
Porsche 996 Turbo / GT2 2001-05
Porsche 944 Turbo 1985-91

Click 'Zoom in' for large parts diagram.
Diagram ref no 25

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99311033751
99311033751
99311033750

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99311033751/1
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Turbocharger Shut-off Valve.

oematch

Fits:
Porsche 964 Turbo 1991-94
Porsche 993 Turbo 1995-98
Porsche 996 Turbo / GT2 2001-05
Porsche 944 Turbo 1985-91

Click 'Zoom in' for large parts diagram.
Diagram ref no 25

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99311033751
99311033751
99311033750

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DISPLAYING 17 to 23 (of 23 products)
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About Turbo Chargers / Intercoolers & Parts

Turbochargers, Intercoolers & Parts – Precision-Engineered Performance for Porsche Engines

A turbocharger increases your Porsche’s power and efficiency by forcing more air into the engine’s combustion chamber, while the intercooler cools that compressed air to improve performance and reliability. Together, these components deliver the exhilarating acceleration and responsiveness that define Porsche engineering.

At Design911, we offer a comprehensive selection of turbochargers, intercoolers, and related components for Porsche models old and new. Manufactured using high-grade materials and advanced balancing technology, our range ensures consistent boost pressure, superior cooling efficiency, and long-term durability under extreme conditions.

Whether you’re restoring a classic 911 Turbo, upgrading a Cayman for track use, or replacing worn components on a modern model, our high-quality turbo and intercooler parts guarantee unmatched performance and reliability.

What Do Turbochargers & Intercoolers Do?

Turbochargers and intercoolers work together to enhance engine power, efficiency, and response.

Core Functions:

  • Turbocharger: Compresses intake air to increase the engine’s air/fuel ratio, producing greater power.
  • Intercooler: Reduces the temperature of compressed air before it enters the engine, improving combustion and preventing knock.
  • Associated Parts: Turbo hoses, valves, clamps, and cooling lines maintain consistent boost pressure and reliable airflow.

Together, these systems optimise power delivery, throttle response, and engine longevity — key to achieving Porsche’s hallmark driving experience.

Why Do Turbochargers & Intercoolers Fail?

Turbo and intercooler systems operate under extreme temperatures and pressure. Over time, wear and heat cycling can cause performance degradation or failure.

Common Causes of Failure Include:

  • Oil contamination or starvation damaging the turbo bearings.
  • Boost leaks from worn seals, cracked hoses, or gaskets.
  • Intercooler clogging due to debris or oil residue.
  • Excessive exhaust temperatures leading to turbine damage.
  • Corrosion or heat fatigue from prolonged high-speed driving.

Symptoms of failure include whining noises, loss of power, blue or black exhaust smoke, poor boost response, or oil leaks around the turbo system. Addressing these early can prevent costly repairs and maintain performance.

Why Replace Components?

Replacing a worn turbocharger or intercooler with a precision-engineered, high-performance alternative restores full boost pressure, temperature control, and efficiency — ensuring your Porsche performs as intended.

Key Benefits:

  • Restores boost pressure and throttle response.
  • Improves air cooling and power delivery.
  • Prevents oil and boost leaks.
  • Constructed from lightweight, heat-resistant materials.
  • Direct-fit compatibility for Porsche 911, Cayman, Boxster, Macan, Panamera and more.
  • Ideal for performance upgrades, maintenance, or rebuilds.

High-quality turbo and intercooler components are essential for reliable, sustained performance in both road and track environments.

Highlights:

  • Turbochargers, intercoolers & related parts for Porsche models.
  • Precision-engineered to enhance airflow, boost, and cooling.
  • Heat-resistant construction ensures durability and performance.
  • Perfect for maintenance, upgrades, or complete rebuilds.
  • Supports Porsche 911, Cayman, Boxster, Panamera and more.
  • Optimised for performance and reliability under extreme load.

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