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Turbo Chargers / Intercoolers & Parts

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PAB14565
Product Information
Product Information
Turbocharger.
The BorgWarner Turbocharger is a replacement forced-induction component for compatible Porsche applications. Designed to replace a worn, damaged or failed turbocharger, it helps restore the boost pressure and intake airflow required for correct engine power, torque, acceleration and throttle response.

Fits:
  • Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
  • Porsche 9YA.2 Cayenne GTS V8 4.0L Bi-Turbo Petrol 2023>>
  • Porsche 9YA.2 Cayenne GTS Coupe V8 4.0L Bi-Turbo 2023>>
  
Diagram Ref No 1 And 2

Turbochargers operate at extremely high rotational speeds and temperatures. Correct lubrication, cooling, intake airflow, exhaust flow and boost control are therefore essential for reliable operation and long service life.  

What This Product Does:

The turbocharger uses energy from the engine's exhaust gases to increase the pressure and quantity of air supplied to the engine.

Exhaust gases leaving the engine spin a turbine wheel inside the turbocharger. The turbine is connected by a shaft to a compressor wheel on the intake side. As the compressor rotates, it draws in fresh air, compresses it and supplies it to the engine under boost pressure.

Correct turbocharger operation helps:

  • Generate the required boost pressure
  • Increase intake airflow
  • Support the intended engine power and torque
  • Maintain strong acceleration
  • Provide responsive power delivery
  • Maintain consistent forced-induction performance
  • Make effective use of exhaust-gas energy

The turbocharger works alongside the vehicle's engine-management, intake, intercooling, lubrication, cooling, exhaust and boost-control systems.

Symptoms Of Wear Or Failure:
A worn, damaged or malfunctioning turbocharger can produce a range of mechanical, performance and engine-management symptoms.

Common warning signs include:

  • Loss of engine power
  • Reduced boost pressure
  • Slow or delayed boost response
  • Poor acceleration
  • Inconsistent power delivery
  • Engine-management warning light
  • Underboost or overboost fault codes
  • Limp or reduced-power mode
  • Increased engine oil consumption
  • Blue or grey exhaust smoke
  • Excessive oil in intake or boost pipework
  • Unusual whining or siren-like noises
  • Grinding or scraping noises
  • Excessive turbocharger shaft play
  • Compressor or turbine wheel damage
  • Abnormal or fluctuating boost pressure

These symptoms do not automatically confirm turbocharger failure. Intake leaks, intercooler faults, sensors, actuators, exhaust restrictions and other boost-control problems can produce similar symptoms.

Why Replacement Matters:
A correctly functioning turbocharger is essential for maintaining the intended performance and operation of a turbocharged Porsche engine.

Replacing a confirmed worn, damaged or failed turbocharger helps:

  • Restore correct boost pressure
  • Restore engine power
  • Restore torque
  • Improve acceleration
  • Restore throttle response
  • Reduce abnormal turbocharger noise
  • Address oil leakage caused by internal turbo wear
  • Restore consistent forced-induction operation
  • Support correct engine-management operation
  • Reduce the risk of secondary component damage

A turbocharger suffering severe bearing, shaft, compressor or turbine damage should not remain in service.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB14565
PAB145653B
PAB145654A
PAB145653A
PAB145654

The product you are viewing cross references to these numbers
DISPLAYING 17 to 17 (of 17 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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