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Porsche > 911 & 912 (1965-1989) > 911 1975-1977 3.0L Turbo (930) > Heating / Air Conditioning >

Vents / Grilles

Vents / Grilles

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Repair kit, heater air control box. Porsche 911 - 91157104907
3
Repair kit, heater air control box. Porsche 911
911571049KIT
Product Information
Product Information

Repair kit, heater air control box. 
Kit for one control box - 2 required per car

Fits:

Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1975 to 1989

Kit includes
1 x Heater air control cover front 
1 x Heater air control cover rear
1 x Heater air control flap
1 x Heater air control lower flange
1 x Heater air control lower vent

Covers and flap for diagram ref no 10 and items 19, 20




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Related, superseded, cross reference or alternative numbers for comparison.

911571049KIT
91157104907

The product you are viewing cross references to these numbers
Air Vent Round, In Clock Position. Porsche 911 1965-89 - 91155220500
4
Air Vent Round, In Clock Position. Porsche 911 1965-89
911552205CR
Product Information
Product Information
Air Vent Round, In Clock Position.

Fits:
Porsche 911 1965>>1989

Clock position air vent, perfect for adding a face vent in the the clock position on a 911.
Connect to the Classic Retrofit blower unit using 60mm duct.

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Related, superseded, cross reference or alternative numbers for comparison.

911552205CR
91155220500

The product you are viewing cross references to these numbers
Centre air vent. Porsche 911 75-86 / 912E / 930 - 91157106703, 91157106702
6
Centre air vent. Porsche 911 75-86 / 912E / 930
91157106703/1
Product Information
Product Information
Centre air vent.
OE Match centre dashboard air vent nozzle designed as a replacement for the original factory air vent used in classic Porsche 911 models equipped with air conditioning. It replicates the original vent’s fitment, shape, and louvre function to deliver correct cabin airflow and OEM-style appearance.

The only difference is that this vent does not come with sliders / adjusters on the sides. You can position the louvres by hand though.

Fits:
Porsche 911 1975 - 1986
Porsche 930 Turbo
Porsche 912E

Diagram ref no 10.

This OE Match version is ideal for vehicles where the original centre vent has faded, cracked, failed to hold position, or has missing adjustment tabs - common issues on older cars due to age and sun exposure.

The centre dashboard air vent directs conditioned or ambient air from the heating, ventilation, and air conditioning (HVAC) system into the cabin. It lets occupants adjust airflow direction and volume for comfort, defrosting, or ventilation purposes.

Function:
Installed at the centre of the dashboard, this OE Match vent:
•  Channels air from the HVAC system into the cabin
•  Allows directional adjustment of airflow
•  Helps balance cabin temperature and comfort

•  Complements original dashboard aesthetics

Centre air vent assemblies endure heat, sunlight, and repeated adjustment, which can cause them to become brittle, cracked, faded, or loose over time. A failing vent can disrupt airflow, reduce cabin comfort, and detract from the interior’s appearance. Replacing it with an OE Match unit restores proper airflow control, eliminates rattles or misalignment, and improves the visual continuity of the dashboard.

When to replace:
•   Vent louvers are stuck, broken, or loose
•   Dashboard airflow is restricted or misdirected
•   Interior trim looks faded or mismatched
•   During HVAC servicing or dashboard restoration
•   Prior to resale or show preparation



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

91157106703
91157106703
91157106702

The product you are viewing cross references to these numbers
Centre air vent. Porsche 911 upto 1985 - 91157106703, 91157106702
3
Centre air vent. Porsche 911 upto 1985
Special Order item
9115710670
Product Information
Product Information
Centre air vent.

Fits:
Porsche 911 1977-85
Porsche 930 Turbo >>1985

Options:
- Cars with air conditioning
- Cars without air conditioning

Please Select below

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

9115710670
91157106703
91157106702

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 20 products)
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About Vents / Grilles

Porsche Air Vents & Grilles | Precision Airflow & Interior Comfort Control

Air vents and grilles are essential to your Porsche’s heating, ventilation, and air conditioning (HVAC) system. They control the direction and flow of air within the cabin, ensuring balanced cooling, heating, and defrosting performance. Designed for precision and durability, these components also enhance your vehicle’s interior aesthetics while maintaining optimal airflow efficiency.

At Design911, we supply premium vents and grilles engineered to meet or exceed original design standards. Crafted from durable, heat-resistant materials with exact fitment, our products provide smooth directional control, quiet operation, and a refined cabin appearance.

Whether you’re restoring a classic Porsche interior or replacing worn or damaged components, our vents and grilles deliver dependable airflow management and perfect style integration.

What Do Air Vents & Grilles Do?

Vents and grilles play a key role in your Porsche’s climate control system by distributing air evenly throughout the cabin.

Core Functions:

Direct airflow for heating, cooling, and defrosting. Regulate air volume and direction via adjustable louvers. Provide ventilation to critical cabin zones. Protect HVAC components from debris and dust. Enhance interior styling and comfort.

Properly functioning vents ensure consistent cabin temperatures and optimal air distribution from the HVAC system.

Why Do Air Vents & Grilles Fail or Wear Out?

Over time, vents and grilles can degrade due to exposure to sunlight, heat, and repeated use.

Common Causes of Failure Include:

  • Broken or loose vent louvers and adjustment mechanisms.
  • Fading or cracking from UV exposure.
  • Dust or debris accumulation causing restricted airflow.
  • Damaged vent tabs or clips affecting fitment.
  • Interior wear or impact damage over years of use.

When vents become damaged or misaligned, airflow efficiency drops, leading to uneven heating, cooling, and ventilation performance.

Why Replace Your Porsche Air Vents & Grilles?

Replacing worn vents and grilles restores proper airflow direction and ensures a refreshed, premium cabin appearance. Upgraded or restored components improve climate control precision and prevent airflow loss.

Key Benefits:

  • Restores accurate airflow control and distribution.
  • Prevents air leaks and blocked vent paths.
  • Enhances interior look and comfort.
  • Improves HVAC system efficiency and responsiveness.
  • Compatible with Porsche 911, Boxster, Cayman, Panamera, Macan, Cayenne, and classic models.
  • Perfect for restorations, detailing, and climate system maintenance.

For best results, inspect duct seals and connections during replacement to ensure full air pressure restoration and quiet operation.

Highlights

  • Precision-engineered Porsche vents and grilles for HVAC systems.
  • Durable materials designed for long-lasting use.
  • Smooth, silent airflow direction adjustment.
  • Perfect fitment for classic and modern Porsche interiors.
  • Restores both cabin comfort and original aesthetic quality.
  • Ideal for interior restoration, repair, and detailing projects.       

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