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Climate Control

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Special Order item
95557230400
Product Information
Product Information
Replacement temperature sensor for 955 / 957 Cayenne models with dual-zone (option code 9AD) or four-zone climate control (option code 9AH).

porsche

Fits:

Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10

Please be advised, this product will not fit models with manually controlled air conditioning system (option code 9AB).

Special Order item
95564295
Product Information
Product Information
Control button for PCM2 unit.

Fits:
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10

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Related, superseded, cross reference or alternative numbers for comparison.

95564295
95564295100
95564295200
99764220101A05
99764220201A05

The product you are viewing cross references to these numbers
Special Order item
95565310321
Product Information
Product Information
Heater control unit, Black.

porsche

Fits:
Porsche 957 Cayenne 3.0L Diesel  / 3.6L 2007-10
* with option code: 9M0 - Without auxiliary heater/parking heater
* with option code: 9M5 - Preheater for diesel
* with option code: 5MA - Decorative inlays - paint, painted plastic
* with option code: 9AD - Climatronic, free of CFCs



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Related, superseded, cross reference or alternative numbers for comparison.

95565310321
95565310321

The product you are viewing cross references to these numbers
Special Order item
95565310331
Product Information
Product Information
Heater Control Unit, Metallic.

Maintain your Porsche’s interior comfort with this Genuine Porsche Heater Control Unit.
Finished in a premium metallic trim, this OEM replacement panel restores complete heating, ventilation, and air-conditioning (HVAC) control to your Porsche Cayenne.
This unit allows the driver and passengers to adjust temperature, fan speed, and airflow direction with the same responsiveness and precision as when the vehicle was new. Engineered to Porsche factory specifications, it seamlessly integrates with your vehicle’s existing wiring and HVAC system for plug-and-play installation.

Fits:

  • Porsche 955 Cayenne 3.2L V6 2003
Cars With Option Codes:
5MG - Burr Maple Wood Package, Dark High Gloss
5TE - Aluminium "Sport" Package
5TF - "Olive" Wood Package, Light High Gloss
5TK - Decorative Inlays, Grained Olive Wood
9AD - Climatronic, Free Of CFCs


  • Porsche 955 Cayenne S 4.5L V8 2003
  • Porsche 955 Cayenne Turbo 4.5L 2003
Cars With Option Codes:
9AD - Climatronic, Free Of CFCs

  • Porsche 957 Cayenne 3.0L Diesel 2007-10
  • Porsche 957 Cayenne 3.6L 2007-10
  • Porsche 957 Cayenne S 4.8L 2007-10
  • Porsche 957 Cayenne Turbo 4.8L 2007-10
Cars With Option Codes:
5MG - Burr Maple Wood Package, Dark High Gloss
5MH - Carbon Decorative Inlays
5TE - Aluminium "Sport" Package
5TF - "Olive" Wood Package, Light High Gloss
9AD - Climatronic, Free Of CFCs
9M0 - Without Auxiliary Heater / Parking Heater
9M5 - Preheater For Diesel

Diagram Ref No 1

What This Product Does:
  • Serves as the user interface for cabin heating and ventilation: selecting blower fan speed, temperature settings, mode (defrost, foot, dash vents), and air distribution.
  • Controls the actuation of HVAC components via internal switches/relays: e.g. heater core valve, blower motor, air mixer doors, temperature blend doors.
  • Provides feedback / display of temperature settings so the driver can see selected values.

Symptoms / Indications Of Failure:
  • No response when adjusting temperature / fan / mode — controls don’t change airflow or heat.
  • Inoperative blower motor or no fan speeds — control panel stops sending signals.
  • Incorrect temperature / stuck mode — stuck in one mode (e.g. always defrost) or temperature stuck.
  • Display issues or illumination failures on the control panel.
  • Error / malfunction messages in the vehicle’s HVAC system.

Why Replacement Matters:
  • Restores Comfort: Replaces worn or malfunctioning HVAC controls for full climate adjustment.
  • Prevents Electrical Faults: Ensures accurate signal communication with HVAC actuators and sensors.
  • OEM Fit & Finish: Designed to match the Cayenne interior with metallic styling identical to the original.
  • Improves Safety: Clear visibility and reliable operation reduce driver distraction and prevent fogging or defrost issues.
  • Plug-and-Play Installation: Fits directly in place with factory connectors — no wiring modification needed.



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

95565310331
95565310331
95565310301
95565310303
95565310306
95565310309
95565310310
95565310330
95565310700
955653107005X2
95565310701
95565311100

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About Climate Control

Porsche Climate Control Systems & Components | Precision Cabin Comfort & Temperature Management

The climate control system in your Porsche maintains perfect cabin temperature and air quality by automatically regulating heating, cooling, and ventilation. Using a combination of sensors, actuators, and control units, it adjusts airflow and temperature to create a consistent and comfortable driving environment — regardless of outside conditions.

At Design911, we offer premium climate control panels, modules, sensors, and actuators designed to meet or exceed original performance standards. Built using advanced materials and precision electronic calibration, our components restore seamless climate management, accurate temperature regulation, and reliable HVAC functionality for all Porsche models.

Whether you’re repairing a faulty control panel, replacing a temperature sensor, or restoring full automatic climate functionality, our Porsche climate control parts deliver the reliability, precision, and comfort you expect.

What Does the Climate Control System Do?

The climate control system automatically manages cabin heating, cooling, and ventilation by regulating air temperature, fan speed, and airflow direction.

Core Functions:

  • Monitors and adjusts cabin and exterior temperature balance.
  • Controls airflow through the heater core and A/C evaporator.
  • Regulates humidity and defogging for optimal visibility.
  • Automatically maintains selected temperature settings.
  • Provides driver and passenger comfort through precise control modules.

A well-functioning system ensures comfort and safety, keeping cabin conditions ideal year-round.

Why Do Climate Control Systems Fail or Malfunction?

Because the system integrates electronic, mechanical, and air distribution components, it is vulnerable to wear, contamination, or electrical failure over time.

Common Causes of Failure Include:

  • Faulty control panels or digital interfaces.
  • Damaged temperature or sunlight sensors.
  • Malfunctioning air distribution flaps or servo motors.
  • Electrical faults in actuators or wiring harnesses.
  • Blocked ventilation ducts or faulty blower motors.

Symptoms of a failing system include inconsistent cabin temperature, non-responsive controls, fogged windows, or unbalanced airflow between zones.

Why Replace Your Porsche Climate Control Components?

Replacing or upgrading malfunctioning climate control components restores reliable temperature management and consistent comfort. High-quality parts ensure proper system communication, energy efficiency, and long-term reliability.

Key Benefits:

  • Restores smooth, accurate temperature regulation.
  • Improves air distribution and cabin comfort.
  • Ensures A/C and heating systems function efficiently.
  • Reduces condensation and prevents window fogging.
  • Compatible with Porsche 911, Cayman, Boxster, Panamera, Macan, and classic models.
  • Ideal for servicing, diagnostics, or system restoration.

Properly functioning climate control enhances both comfort and safety by maintaining clear visibility and stable interior conditions.

Highlights

  • Precision-engineered Porsche climate control modules and sensors.
  • Advanced electronics for consistent temperature management.
  • Designed for accurate, responsive operation and long lifespan.
  • Suitable for single- and dual-zone climate systems.
  • Perfect for repair, maintenance, and restoration projects.
  • Direct-fit replacements for modern and classic Porsche models.       

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