Climate Control
Bowden cable for fresh air unit. Porsche 911-912
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911-912 1965-77
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Climate control hose sealing ring. Porsche 911 65-89
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1965-89 all models
Diagram ref no 34
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90157291301
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Climate control hose sealing ring. Porsche 911 65-89
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1965-89 all models
Diagram ref no 34
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Drain hose rubber. Porsche 911 1968-89
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1968-89
Diagram ref no 19
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90157132632
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Electric Air Conditioning Kit Compressor and Condenser Half Kit for Porsche 911
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The Electrocooler 'half system' allows existing AC cars to use our electric compressor and modern condenser with the existing evaporator blower mounted in the smuggler's box.
Fits Porsche 911 models 1965 to 1989 with factory/dealer fitted AC.
If your factory or dealer fitted evaporator / blower is in good condition but your compressor and hoses are tired, this is the kit for you. The kit contains compressor and mounts for fitment ahead of the fuel tank. The new condenser can be fitted in place of the washer bottle on 74 onwards cars. Early cars can mount the condenser in the rear wheel well. Complete new set of hoses and all wiring are included.
This is a 'half system' AC system to be used with the factory evaporator/blower.
- All Electric. All modern components
- Weighs around 22lbs (10 kg)
- Retains factory evaporator / blower
- Fits in front luggage bay
- Lightweight narrow hose set weighing under 4lbs (1.5kg)
- Easy Install. Non-damaging bolt-in installation
- Clutter Free. Uses existing air vents to deliver cool air
- Simple to Use. Controlled by a single ‘smart button’
- Energy Efficient. Uses less than 1 HP of engine power
- Kits available to fit 911s from 1965 to 1989 (please check for fitment before purchase)
For Installation Guide CLICK HERE
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Electric Air Conditioning Kit with a Dual Condensers for Porsche 911
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Compressor mounted in the smugglers box on left hand drive cars and ahead of the fuel tank for right hand drive cars.
The Electrocooler electric air conditioning system for Porsche 911 is a revolutionary update for the complicated A/C and ventilation setup fitted to Porsche 911 models from 1974 to 1989.
The kit is a total redesign of the 911 A/C system, with additional improvements to the fresh air blower unit and warm air distribution. It transforms the experience of travelling in an aircooled Porsche 911.
• Weighs around 35lbs (16 kg)
• Fits in front luggage bay
• Lightweight narrow hose set weighing under 4lbs (1.5kg).
• Easy Install. Non-damaging bolt-in installation.
• Clutter Free. Uses the standard fresh air vents to deliver cool air.
• Simple to Use. Control by a single 'smart button'.
• Modern double cage Gen 2 blower.
• Energy Efficient. Uses less than 1 HP of engine power.
• Kits available to fit 911 from 1974 to 1989
This is a dual condenser system suitable for high heat (> 35 deg C) and humidity climates.
A double condenser installation is highly recommended for many hot and humid parts of the world, such as Florida or Singapore.
Second condenser can be installed in the left rear fender, ahead or behind the rear wheel. See back of install manual for details.
Please note
Our electric air conditioning likes a healthy current so we recommend upgrading the original alternator in the vast majority of installations.
All kits now include our Gen 2 Blower.
Complete HVAC kit for the Porsche 911 models 1974 to 1989.
The kit is a complete redesign of the 911 A/C system with notable improvements to the blower and heating distribution as well.
For Installation Guide CLICK HERE
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Electric Air Conditioning Kit with a Single Condenser for Porsche 911
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Compressor mounted in the smugglers box on left hand drive cars and ahead of the fuel tank for right hand drive cars.
The Electrocooler electric air conditioning system for Porsche 911 is a revolutionary update for the complicated A/C and ventilation setup fitted to Porsche 911 models from 1974 to 1989.
The kit is a total redesign of the 911 A/C system, with additional improvements to the fresh air blower unit and warm air distribution. It transforms the experience of travelling in an aircooled Porsche 911.
• Weighs around 30 lbs (14 kg)
• Fits in front luggage bay
• Lightweight narrow hose set weighing under 4lbs (1.5kg).
• Easy Install. Non-damaging bolt-in installation.
• Clutter Free. Uses the standard fresh air vents to deliver cool air.
• Simple to Use. Control by a single 'smart button'.
• Modern double cage Gen 2 blower.
• Energy Efficient. Uses less than 1 HP of engine power.
• Kits available to fit 911 from 1974 to 1989
This is a single condenser suitable for climates up to 35 deg C ambient and low humidity. For high heat and humidity climates we recommend our dual condenser system.
Please note
Our electric air conditioning likes a healthy current so we recommend upgrading the original alternator in the vast majority of installations.
All kits now include our Gen 2 Blower.
Complete HVAC kit for the Porsche 911 models 1974 to 1989.
The kit is a complete redesign of the 911 A/C system with notable improvements to the blower and heating distribution as well.
For Installation Guide CLICK HERE
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Heater control circiut board. Porsche 911 1978-89
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Fits:
Porsche 911 1978-89
Click 'Zoom in' for large parts diagram.
Diagram ref no 14
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Heater control circuit board. Porsche 911 1978-89
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Used in:
Porsche 911, 3.2 Carrera, SC
Porsche 911 Turbo (930)
PCB Porsche part # 911 659 058 02
Complete Auto heat mechanism part number is 911 659 053 01 or 911 659 049 03
Click 'Zoom in' for large parts diagram.
Diagram ref no 14
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Heater control handle. Porsche 911 1969-77
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1969-77
Porsche 914
Diagram ref no 29
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Heater control handle. Porsche 911 69-74 / 914 70-71
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 914 (1970-1976)
Fits:
Porsche 911/912 (1969-1974)
Porsche 914/914-6 (1970-1971)
Diagram ref no 29
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Heater control knob. RED. Porsche 911 1969-85 / 914
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1969-85
Porsche 914
Diagram ref no 16
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90157191800
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Heater control knob. RED. Porsche 911 1969-85 / 914
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1969-85
Porsche 914
Diagram ref no 16
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Heater control lever bolt. Porsche 911 78-89
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1978-1989
Diagram ref no 19
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Heating actuating lever bearing pin. Porsche 911 1974-77
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1975-1977 3.0L Turbo (930)
Klassic Line Brand - OEM products manufactured by the Original Equipment Manufacturer.
Fits:
Porsche 911 1974-77
Click 'Zoom in' for large parts diagram.
Diagram ref no 17/1
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Rennline aluminium heater control knob. Porsche 911/912/930 1972-89
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911/912/930 1972-89
Rennline's billet aluminium heater control knobs are the perfect inexpensive interior upgrade for any Porsche equipped with this feature. Factory heater control knobs become faded, cracked, and/or unsightly after years of exposure to UV light. Rennline billet knobs are machined from 6061 aluminium and are available in red, silver or black anodized finishes for a durable, long lasting appearance. Simply tap off your old knob, and tap ours on, installation is literally a snap.
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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.