Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram
Porsche specialists based in the UK
Porsche > 914 (1970-1976) > Heating / Air Conditioning >

Blower Motors & Fans

Blower Motors & Fans

Filter by brand
DISPLAYING 1 to 2 (of 2 products)
Heater blower motor and Fan. Porsche 911 1965-89 / 912 / 914 - 91157132032, 90157132032
4
Heater blower motor and Fan. Porsche 911 1965-89 / 912 / 914
Special Order item
91157132032
Product Information
Product Information
Heater blower motor and Fan (in bulkhead).
The original Porsche heater blower motor with integrated fan is engineered specifically for the heating and ventilation system of classic Porsche 911, 912, and 914 models. It delivers reliable airflow through the heater box, evaporator, or heat exchanger, ensuring effective cabin heating, ventilation, and defrost performance. Manufactured to Porsche’s original factory standards, this genuine component provides quiet, consistent operation and restores the comfort and climate control precision expected of the marque.

Fits:
Porsche 911 1965 - 1989
Porsche 912 1969

Porsche 914 1970 - 1976

Diagram ref no 11

As a vital component of the Porsche HVAC system, the blower motor ensures a steady flow of air for heating, cooling, and ventilation. When the motor or fan assembly becomes worn, symptoms such as weak airflow, noise, or poor defrosting can occur - diminishing cabin comfort and visibility. Replacing it with a genuine Porsche unit guarantees optimal airflow, preserves HVAC efficiency, and maintains the refined driving experience your Porsche was designed to deliver.

When and Why to Replace
• Reduced airflow or weak ventilation through cabin vents.
• Unusual noises such as whining, rattling, or vibration.
• Intermittent or non-functional blower operation.
• Visible wear, corrosion, or damage to the motor or fan assembly.
• During or after HVAC restoration work to maintain authentic performance.



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Related, superseded, cross reference or alternative numbers for comparison.

91157132032
91157132032
90157132032

The product you are viewing cross references to these numbers
Heater blower motor and fan. Porsche 911 1965-89 / 912 / 914 - 91157132032, 90157132032 - 63372, URO-012265, 1626100600
5
Heater blower motor and fan. Porsche 911 1965-89 / 912 / 914
Black Friday Sale
91157132032/1
Product Information
Product Information
Heater blower motor and fan (in bulkhead).
The blower motor with integrated fan, designed for the heating and ventilation system of early Porsche 911, 912 and 914. Its function is to drive airflow through the heater box, evaporator or heat exchanger, and distribute conditioned air into the cabin - ensuring comfort, defrosting, and proper climate control. Built to original factory specifications, it ensures quiet, robust airflow, restores cabin comfort and supports reliable heating, ventilation and defrost performance.

Fits:
Porsche 911 1965 - 1989
Porsche 912 1969
Porsche 914 1970 - 1976

Diagram ref no 11

• Position on Vehicle: Mounted in the front bulkhead/heater box area ('centre of bulkhead') behind the dashboard or in the ventilation/heating assembly.
• Cross-Reference / Alternative Numbers:  911 571 320 32 (replaces 901 571 320 32)
• Applications: Ideal when the original blower motor shows reduced airflow, increased noise, or erratic operation - or when restoring the HVAC system of a classic Porsche to full performance.

The blower motor is a core component of the HVAC system in your Porsche: it supplies the airflow needed for heating, cooling and ventilation. When the motor or fan wheel deteriorates, you may experience weak airflow, increased noise, erratic vent output or failed defrosting—compromising comfort and safety. Replacing it with a quality OE-Match unit restores proper airflow distribution, ensures the longevity of other HVAC components and maintains the premium experience your Porsche deserves.

When and why to replace:
• Noticeable reduction in airflow or weak ventilation from vents.
• Unusual noises (whine, rattle, vibration) coming from the blower or vents.
• Blower fails to operate or only works intermittently.
• Visible damage, wear or corrosion in the blower housing or fan.
• During or after restoration of the heating/ventilation system of a classic Porsche.

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

91157132032
91157132032
90157132032

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
Also found on these pages
About Blower Motors & Fans

Porsche Blower Motors & Fans | Reliable Cabin Ventilation & Climate Control Efficiency

Blower motors and fans are the heart of your Porsche’s heating, ventilation, and air conditioning (HVAC) system. They circulate air through the cabin, heater core, and evaporator, providing consistent airflow for cooling, heating, and defogging. A properly functioning blower motor ensures efficient temperature control and optimal comfort in every driving condition.

At Design911, we supply high-quality blower motors and fan assemblies that meet or exceed original engineering standards. Built from durable, heat-resistant materials and precision-balanced components, our blowers deliver smooth, quiet operation and long-lasting reliability.

Whether you’re restoring your Porsche’s HVAC system or replacing a failed motor, our blower fans guarantee efficient airflow and dependable cabin comfort.

What Do Blower Motors & Fans Do?

The blower motor drives the fan that moves air through the vehicle’s heating and cooling ducts. It plays a key role in maintaining interior comfort and clear visibility.

Core Functions:

  • Circulates air through the A/C evaporator or heater core.
  • Provides consistent airflow to the cabin vents and windscreen.
  • Ensures proper climate control response for temperature and defrost settings.
  • Operates at variable speeds for balanced airflow.
  • Supports both manual and automatic climate systems.

Without an effective blower motor, airflow weakens or stops completely, leading to poor heating, weak A/C performance, or foggy windows.

Why Do Blower Motors & Fans Fail or Wear Out?

Because they operate constantly, blower motors are exposed to vibration, dust, and temperature extremes — all of which can cause wear or electrical issues over time.

Common Causes of Failure Include:

  • Worn brushes or bearings causing noise or slow operation.
  • Electrical motor failure due to overheating.
  • Blower fan obstruction from debris or contamination.
  • Faulty resistors or connectors disrupting power supply.
  • Moisture ingress causing corrosion or electrical shorting.

When a blower motor begins to fail, symptoms may include inconsistent airflow, noise from behind the dashboard, or total loss of air circulation.

Why Replace Your Porsche Blower Motor or Fan Assembly?

Replacing a failing blower motor restores effective ventilation and ensures the HVAC system performs efficiently. Upgraded components also offer improved reliability, quieter operation, and better heat or A/C distribution.

Key Benefits:

  • Restores strong, consistent airflow for heating and cooling.
  • Prevents fogging and maintains cabin comfort.
  • Reduces noise and vibration from worn components.
  • Improves HVAC efficiency and system response.
  • Designed for Porsche 911, Cayman, Boxster, Panamera, Macan, and classic models.
  • Ideal for restorations, regular servicing, or climate control upgrades.

It’s recommended to replace the blower resistor or fan speed control module at the same time to ensure balanced performance.

Highlights

  • Precision-engineered Porsche blower motors and fan assemblies.
  • Quiet, smooth operation with high airflow efficiency.
  • Corrosion- and heat-resistant construction for long life.
  • Direct-fit replacements for all Porsche HVAC systems.
  • Suitable for road, restoration, or motorsport applications.
  • Essential for restoring reliable air circulation and comfort.       

You may also like
Popular Models