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DISPLAYING 1 to 14 (of 14 products)
Special Order item
96410605131
Product Information
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Alternator bearing fan blade

Fits:
Porsche 964 C2 / C4 / Turbo 1989-94
Porsche 993 C2 / C4 / C2S / C4S / Turbo 1995-98

Diagram ref no 25

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96410605131
96410605130
96410605131

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96410625120T
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Alternator fan / impeller housing strap, in TITANIUM.
The alternator fan / impeller housing strap secures the cooling fan assembly to the engine structure, keeping it correctly positioned and stable during engine run-up, vibration, and thermal cycling. 

Fits:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

The fan/impeller housing is a critical component of the air-cooled Porsche engine’s cooling system - ensuring airflow over the heads and cylinders - so a secure mounting strap helps maintain proper belt tension, consistent fan alignment, and dependable cooling performance.

Installed between the fan housing and its anchor point on the engine case or accessories bracket, this strap absorbs and distributes load from the fan’s rotational forces, engine vibration, and belt tension. The use of titanium dramatically improves resistance to fatigue and stress versus stock steel, helping reduce the chance of strap deformation or failure over time while contributing to overall engine compartment weight reduction.

 The strap’s titanium alloy also provides higher corrosion resistance - especially beneficial for cars operated in damp or coastal environments where galvanic corrosion can affect standard hardware.

The stock steel fan strap experiences continuous load from belt tension, fan rotation, and thermal expansion. Over time, steel straps can stretch, fatigue, or crack, affecting fan alignment and potentially leading to belt slippage, reduced cooling airflow, or accelerated wear on pulleys. Upgrading to a titanium strap improves structural integrity, reduces recurring maintenance, and enhances the overall robustness of the cooling system - particularly in performance or high-stress driving environments.

When to replace:
Original strap shows corrosion, cracks, or deformation
•  During fan or alternator service
•  As part of engine rebuild or restoration project
•  Upgrading to performance materials for enhanced durability
•  When reducing rotating mass and engine compartment weight

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96410625120T
96410625120
90110625102
90110625103

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Special Order item
96410625120
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Alternator fan / impeller housing strap.
Genuine Porsche Original Equipment (OE) alternator fan / impeller housing strap. It is a factory-engineered mounting bracket that secures the alternator cooling fan (or impeller housing) to the engine, ensuring proper alignment, stability, and airflow within the cooling and charging subsystem of classic Porsche air-cooled engines.

Fit:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

The alternator fan / impeller housing strap holds the fan assembly in correct alignment with the engine’s accessory drive system. By securing the fan housing, it ensures proper belt tension, efficient cooling airflow, reliable alternator operation, and accurate interaction with other engine accessories. Its structural role helps minimize vibration, reduces belt misalignment, and contributes to consistent engine cooling performance.

Function:
Installed in the engine bay between the alternator fan housing and a fixed mounting point on the engine block or accessory bracket, this OE strap:
Provides rigid support for the alternator cooling fan assembly
 Maintains precise belt alignment for the fan pulley and accessory drive
 Helps resist engine vibration and torque loads
 Contributes to efficient engine cooling airflow.

An original fan strap that is bent, corroded, or fatigued can cause belt misalignment, fan wobble, excessive vibration, or premature wear on pulleys and accessories. Because the alternator cooling fan plays a vital role in air-cooled engine temperature control and charging system reliability, a secure and correctly aligned fan assembly is essential. Replacing a damaged or worn strap with a Genuine Porsche OE part ensures factory-correct support, preserves cooling efficiency, and helps prevent secondary failures in belts, bearings, or adjacent components.

When to replace:
 When the original strap is bent, cracked, or corroded
 After alternator or cooling fan service
 If the fan belt shows uneven wear or misalignment
 During engine restoration or reassembly
 If vibration/noise from the cooling fan area indicates movement

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96410625120
96410625120
90110625102
90110625103

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96410625120/1
Product Information
Product Information
Alternator fan / impeller housing strap, Stainless steel.
This alternator fan / impeller housing strap is a high-quality replacement component engineered in stainless steel. This strap secures the alternator cooling fan or impeller housing in the engine bay of classic Porsche air-cooled vehicles, providing enhanced corrosion resistance and durability.

Fit:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

This OE Match strap secures the alternator cooling fan or impeller housing to the engine block or accessory mount, maintaining correct belt alignment, reducing vibration, and preserving the designed airflow path for the cooling system. Its robust stainless construction helps ensure that cooling performance and accessory alignment remain stable through many heating/cooling cycles and varying environmental conditions.

Installed between the fan housing and the engine accessory bracket, the stainless steel strap:
•  Provides a rigid mounting point for the alternator fan/impeller housing
•  Maintains accurate belt and pulley alignment
•  Reduces the risk of strap deformation, corrosion, or fatigue
•  Helps ensure consistent airflow distribution for engine cooling

The factory strap is steel and, over time, can be prone to corrosion, bending, fatigue, or surface degradation due to heat cycling and environmental exposure. These issues can lead to fan misalignment, belt wear, and reduced cooling performance. Upgrading to an OE Match stainless steel strap enhances reliability, resists corrosion, and improves longevity - ideal for engines used in daily driving, classic car tours, or restoration builds where long-term durability is important.

When to replace:
•  Original strap shows corrosion, rust, or fatigue cracks
•  Fan housing shows signs of misalignment or vibration
•  During alternator, cooling fan, or accessory belt service
•  When restoring or rebuilding the engine assembly
•  Preventive upgrade to improve reliability

Related reference numbers
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96410625120
96410625120
90110625102
90110625103

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Special Order item
96410601522
Product Information
Product Information
Alternator Fan / Impeller.

Fits:
Porsche 964 Turbo 1989-94
Porsche 993 Turbo 1994-98

Old Porsche part number:
- 96410601521

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96410601522
96410601521
96410601522

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Special Order item
93060304101
Product Information
Product Information
Alternator Fan Housing Extension.

 
porsche

Fits:
Porsche 964 1989-94
Porsche 993 1994-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 19.



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93060304101
93060304101

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93010640300
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Engine Air Duct.
porsche

Fits:
Porsche 964 Turbo 1989-94

Diagram ref no

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93010640300
93010640300

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Special Order item
92860304501
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Engine fan impeller.
porsche

Fits:
Porsche 964 1989-94
Porsche 993 1994-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 23.

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92860304501
92860304501

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Special Order item
96410651701
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Fan Belt Shim with 3 holes normally 6pcs required

 
porsche

Fits:
Porsche 964

Diagram ref no 11.

Special Order item
96420722302
Product Information
Product Information
Oil Cooler Air Deflector.

porsche

Fits:
Porsche 964 1989-94
Porsche 993 1995-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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96420722302
96420722301

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96457552202
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Radiator Oil Cooler Cowling Air Duct.

porsche

Fits:
Porsche 964 1989-94

Click 'Zoom in' for large parts diagram.
Diagram Ref No 39.

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96457552202
96457552202

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Special Order item
96462404100
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Radiator Oil Cooler Cowling.

porsche

Fits:
Porsche 964 1989-94

Click picture for large parts diagram.
Diagram Ref No 30.

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96462404100
96462404100

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96462403503
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Radiator oil cooler electric fan

porsche

Fits:
Porsche 964 C2 / C4 / Turbo 1989-94
Porsche 964 C2 / C4 / Turbo 1989-94

Click 'Zoom in' for large parts diagram.
Diagram ref no 31.

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96462403503
96462403500
96462403501
96462403503

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96462403503/1::1
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Radiator oil cooler electric fan

oematch

Fits:
Porsche 964 C2 / C4 / Turbo 1989-94
Porsche 964 C2 / C4 / Turbo 1989-94

Click 'Zoom in' for large parts diagram.
Diagram ref no 31.

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96462403503
96462403500
96462403501
96462403503

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DISPLAYING 1 to 14 (of 14 products)
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About Air cooling parts

Air Cooling Parts – Engine Efficiency and Temperature Control for Porsche Vehicles

Air cooling parts are essential components designed to regulate engine temperature, ensuring your Porsche runs efficiently, safely, and at peak performance. These components manage airflow and heat dissipation within air-cooled engines, preventing overheating and maintaining consistent operating conditions.

At Design911, we offer a wide selection of genuine and high-quality air cooling parts for Porsche models including classic air-cooled 911s, 964, 993, and more. Our range includes fan assemblies, shrouds, ducts, pulleys, housings, and cooling tins, all precision-engineered for exact fitment and reliable thermal management. Every part is built to the same high standards as the original factory components, ensuring lasting performance and authenticity.

What Do Air Cooling Parts Do?

Air cooling components work together to keep the engine’s operating temperature stable by directing airflow across critical areas. Key functions include:

  • Cooling the engine cylinders and heads to prevent overheating.
  • Regulating airflow through fans, ducts, and shrouds.
  • Maintaining consistent engine performance under varying load and speed conditions.
  • Supporting mechanical efficiency and preventing thermal stress on components.

For Porsche’s legendary air-cooled engines, proper airflow and cooling performance are vital to achieving both longevity and smooth, balanced operation.

Why Do Air Cooling Parts Fail?

Over time, air cooling components can degrade due to exposure to heat, vibration, and environmental wear. Common failure causes include:

  • Cracked or warped shrouds and ducts from thermal stress.
  • Fan damage or imbalance caused by corrosion or debris.
  • Loose pulleys or belts reducing airflow efficiency.
  • Corroded or missing fasteners and mounts leading to rattling or misalignment.
  • Material fatigue from age or improper maintenance.

Symptoms of failure include higher-than-normal engine temperatures, noise from the cooling fan, or visible cracks and wear on housing parts.

Why Replace Faulty Air Cooling Parts?

A compromised cooling system can lead to overheating, reduced performance, or even engine failure. Replacing worn or damaged components ensures optimal air circulation and temperature regulation, protecting your engine’s reliability and value.

Benefits of replacement include:

  • Restored and efficient airflow across engine components.
  • Consistent operating temperatures and improved engine longevity.
  • Prevention of costly overheating-related damage.
  • Factory-spec fitment and manufacturer-quality materials.

All air cooling parts in this range are designed to meet or exceed exacting engineering standards, ensuring durability, precision, and confidence for both restoration projects and regular maintenance.

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